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- Lutein (2)
- Lycopene (2)
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- Open-column chromatography (2)
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Articles 1 - 30 of 31
Full-Text Articles in Biotechnology
Carotenoid Profiles Of Momordica Cochinchinensis (Lour.) Spreng. Aril And Leaves As Potential Dietary Caroteniod Sources [Research Note], Francis A. Aguilar, Antonio C. Laurena, Nerrisa K. Torreta, Vida Faith R. Galvez, Evelyn B. Rodriguez, Lourdes B. Cardenas
Carotenoid Profiles Of Momordica Cochinchinensis (Lour.) Spreng. Aril And Leaves As Potential Dietary Caroteniod Sources [Research Note], Francis A. Aguilar, Antonio C. Laurena, Nerrisa K. Torreta, Vida Faith R. Galvez, Evelyn B. Rodriguez, Lourdes B. Cardenas
The Philippine Agricultural Scientist
Momordica cochinchinensis (Lour.) Spreng. or sweet gourd is a perennial, dioecious vine known to possess remarkable carotenogenic capacity. To explore its potential as a dietary carotenoid source, this study evaluated the carotenoids of aril from ripe fruits and of leaves of an accession from Laoag, Ilocos Norte, Philippines, through open-column chromatography. Data reveal that the optimal fruit ripeness for aril carotenoid quantification, determined by fruit skin redness (CIELAB a* value), was achieved 6 to 7 wk after pollination, at which time the aril was found to contain lycopene at 1,260.64 ± 56.17 μg g−1 fresh weight (FW) and β-carotene …
Characterization Of Syntaxin 18 In Peregrinus Maidis And In Vitro Dsrna Synthesis For Potential Rnai-Mediated Control Of Maize Mosaic Alphanucleorhabdovirus (Mmv) Transmission, Hannah Corinne T. Cantaros, Charlene Niebres, Ruth Alessandra Banasihan, Argel L. Arenas, Karen B. Alviar
Characterization Of Syntaxin 18 In Peregrinus Maidis And In Vitro Dsrna Synthesis For Potential Rnai-Mediated Control Of Maize Mosaic Alphanucleorhabdovirus (Mmv) Transmission, Hannah Corinne T. Cantaros, Charlene Niebres, Ruth Alessandra Banasihan, Argel L. Arenas, Karen B. Alviar
The Philippine Agricultural Scientist
The plant virus known as Maize mosaic alphanucleorhabdovirus (MMV) is a persistent, propagative pathogen transmitted by the corn planthopper Peregrinus maidis Ashmead (Hemiptera: Delphacidae). It is the causal agent for a mosaic disease that can cause significant loss in corn yield. Currently, disease management is focused on controlling its insect vector population. The molecular mechanisms of virus transmission by the insect vector are not yet fully understood. Previously, P. maidis syntaxin 18 (PmSTX18) was identified as a receptor for MMV. PmSTX18 interacts with the viral glycoprotein and potentially facilitates MMV recognition and entry into the vector, enabling virus …
Beta-Casomorphin7 Detection In Milk From Dairy Species And Beta-Casein Protein Characterization In Cattle From Selected Provinces In The Philippines, Angelo M. Tapia, Maria Cynthia R. Oliveros, Queennie Hope D. Umipon, Hazel Marie E. Nicolas, Naoya Ogawa, Yasuyuki Kitaura
Beta-Casomorphin7 Detection In Milk From Dairy Species And Beta-Casein Protein Characterization In Cattle From Selected Provinces In The Philippines, Angelo M. Tapia, Maria Cynthia R. Oliveros, Queennie Hope D. Umipon, Hazel Marie E. Nicolas, Naoya Ogawa, Yasuyuki Kitaura
The Philippine Agricultural Scientist
This study was conducted to detect β-casomorphin7 (BCM7) in dairy animals and to characterize the β-casein (CSN2) genotype among dairy cattle breeds in the Philippines. A total of 59 dairy animals, composed of 35 cattle (12 Holstein Sahiwal [HS16 Jersey × Holstein Friesian [JHF], and 7 Siquijor Native Cattle [SNC]), 15 buffaloes (Bulgarian Murrah and Brazilian Murrah), and 9 goats (Saanen and Anglo-Nubian) were collected with milk samples. Milk protein was extracted and subjected to high-performance liquid chromatography–tandem mass spectrometry (HPLC–MS/MS) analysis after stimulated gastrointestinal digestion. BCM7 was detected in cattle with an average concentration of 0.322 + 0.080, whereas …
Carotenoid Profiles Of Momordica Cochinchinensis (Lour.) Spreng. Aril And Leaves As Potential Dietary Caroteniod Sources [Research Note], Francis A. Aguilar, Antonio C. Laurena, Nerrisa K. Torreta, Vida Faith R. Galvez, Evelyn B. Rodriguez, Lourdes B. Cardenas
Carotenoid Profiles Of Momordica Cochinchinensis (Lour.) Spreng. Aril And Leaves As Potential Dietary Caroteniod Sources [Research Note], Francis A. Aguilar, Antonio C. Laurena, Nerrisa K. Torreta, Vida Faith R. Galvez, Evelyn B. Rodriguez, Lourdes B. Cardenas
The Philippine Agricultural Scientist
Momordica cochinchinensis (Lour.) Spreng. or sweet gourd is a perennial, dioecious vine known to possess remarkable carotenogenic capacity. To explore its potential as a dietary carotenoid source, this study evaluated the carotenoids of aril from ripe fruits and of leaves of an accession from Laoag, Ilocos Norte, Philippines, through open-column chromatography. Data reveal that the optimal fruit ripeness for aril carotenoid quantification, determined by fruit skin redness (CIELAB a* value), was achieved 6 to 7 wk after pollination, at which time the aril was found to contain lycopene at 1,260.64 ± 56.17 μg g−1 fresh weight (FW) and β-carotene …
Beta-Casomorphin7 Detection In Milk From Dairy Species And Beta-Casein Protein Characterization In Cattle From Selected Provinces In The Philippines, Angelo M. Tapia, Cynthia R. Oliveros Maria, Queennie Hope D. Umipon, Hazel Marie E. Nicolas, Naoya Ogawa, Yasuyuki Kitaura
Beta-Casomorphin7 Detection In Milk From Dairy Species And Beta-Casein Protein Characterization In Cattle From Selected Provinces In The Philippines, Angelo M. Tapia, Cynthia R. Oliveros Maria, Queennie Hope D. Umipon, Hazel Marie E. Nicolas, Naoya Ogawa, Yasuyuki Kitaura
The Philippine Agricultural Scientist
This study was conducted to detect β-casomorphin7 (BCM7) in dairy animals and to characterize the β-casein (CSN2) genotype among dairy cattle breeds in the Philippines. A total of 59 dairy animals, composed of 35 cattle (12 Holstein Sahiwal [HS16 Jersey × Holstein Friesian [JHF], and 7 Siquijor Native Cattle [SNC]), 15 buffaloes (Bulgarian Murrah and Brazilian Murrah), and 9 goats (Saanen and Anglo-Nubian) were collected with milk samples. Milk protein was extracted and subjected to high-performance liquid chromatography–tandem mass spectrometry (HPLC–MS/MS) analysis after stimulated gastrointestinal digestion. BCM7 was detected in cattle with an average concentration of 0.322 + 0.080, whereas …
Antioxidant Enzymes And Osmolyte Accumulation In Okra Cultivars Under Drought Stress, Jawad Ali, Ibadullah Jan, Hidayat Ullah, Muhammad Adnan, Shah Fahad, Hassan Alsberi, Khulud Albalawi, Hakki Akdeniz, Manzoor Ahmmad, Beena Saeed, Noor Us Sabah, Mian Sayed Khan, Abdul Basir, Muhammad Romman, Ayman El Sabagh
Antioxidant Enzymes And Osmolyte Accumulation In Okra Cultivars Under Drought Stress, Jawad Ali, Ibadullah Jan, Hidayat Ullah, Muhammad Adnan, Shah Fahad, Hassan Alsberi, Khulud Albalawi, Hakki Akdeniz, Manzoor Ahmmad, Beena Saeed, Noor Us Sabah, Mian Sayed Khan, Abdul Basir, Muhammad Romman, Ayman El Sabagh
The Philippine Agricultural Scientist
Drought stress brought about by worsening environmental conditions due to climate change has increasingly damaging effects on crop production systems. To mitigate these effects, several physiological and biochemical aspects of plants could be used as markers in breeding for the selection of drought-resistant cultivars. Therefore, this study aimed to evaluate the performance of 8 okra cultivars (Arka Anamika, Punjab Selection, Posaswami, Tulsi, Subz Pari, Super Green, Local Multani, and Green Star) under well-watered (control), mild drought stress, and severe drought stress conditions by irrigating plants at an interval of 3, 6, and 9 d after 30 d of planting. Results …
Genetic And Geographic Profiling Of Fragrance-Associated Badh2 Mutations In Rice From China, Laos, And Vietnam, Lenie A. Quiatchon-Baeza, Venea Dara Daygon, Mariafe N. Calingacion, Melissa A. Fitzgerald
Genetic And Geographic Profiling Of Fragrance-Associated Badh2 Mutations In Rice From China, Laos, And Vietnam, Lenie A. Quiatchon-Baeza, Venea Dara Daygon, Mariafe N. Calingacion, Melissa A. Fitzgerald
The Philippine Agricultural Scientist
Fragrance in rice is a culturally and economically significant trait in Asia and around the world. This study aimed to develop a genetic and geographic profile of the fragrance-associated BADH2 mutations (badh2.1 and badh2.11) in 1,067 rice varieties from China, Laos, and Vietnam, which are part of the International Rice Genebank Collection. Seventy-three varieties were found to carry the common eight-base pair (bp) deletion in exon 7 of the genes (badh2.1, also known as badh2.7), primarily from indica varieties, with some belonging to japonica, javanica, and intermediate varieties. Conversely, 59 varieties possess the recently identified badh2 allele, badh2.11 (also known …
Evaluation Of Semen Characteristics And The Impact Of Storage Time In Dong Tao And Ho Indigenous Chickens, Phan Nhan, Nguyen Thi My Phuong
Evaluation Of Semen Characteristics And The Impact Of Storage Time In Dong Tao And Ho Indigenous Chickens, Phan Nhan, Nguyen Thi My Phuong
The Philippine Agricultural Scientist
This study aimed to evaluate the semen quality of 2 indigenous Vietnamese chicken breeds, Dong Tao and Ho, and to assess their reproductive potential for breeding and conservation programs. Semen samples were collected from 10 roosters of each breed and analyzed for macroscopic and microscopic traits. The results indicated that both breeds exhibited semen quality within acceptable physiological ranges. Mean semen volume was 0.47 mL in Dong Tao and 0.48 mL in Ho roosters; pH values were 7.47 and 7.42, respectively. Semen color scores (2.39 vs. 2.35), sperm concentrations (2.11 vs. 1.92 × 109/mL), and mass activity scores (3.79 vs. …
Effects Of Probiotic Supplementation On Growth Performance, Nutrient Digestibility, And Enteric Methane Emission Of Growing Dairy Buffaloes (Bubalus Bubalis L.), Christian Lualhati, Karl Reginald Managa, Charity Castillo, Phoebe Lyndia Llantada, Arnel Del Barrio
Effects Of Probiotic Supplementation On Growth Performance, Nutrient Digestibility, And Enteric Methane Emission Of Growing Dairy Buffaloes (Bubalus Bubalis L.), Christian Lualhati, Karl Reginald Managa, Charity Castillo, Phoebe Lyndia Llantada, Arnel Del Barrio
The Philippine Agricultural Scientist
This study assessed the impact of probiotics on the growth performance, nutrient digestibility, and enteric methane emission of 4 growing dairy buffaloes (Bubalus bubalis L.) with similar body weight, age, and sex. The animals were allocated into 4 treatments following a Latin Square design: control/no probiotic supplement (Trt 1); with 5 mL of probiotic supplement (Trt 2); with 10 mL of probiotic supplement (Trt 3); and with 15 mL of probiotic supplement (Trt 4). The growers were offered the dietary treatments at the start of the adaptation phase up to the end of the experimental phase per period. Animals …
Antimicrobial Activity In Auxin-Induced Formation Of In Vitro Culture- Derived Aloe Vera Roots, Eufrocinio Marfori, Bernadette Rapiz
Antimicrobial Activity In Auxin-Induced Formation Of In Vitro Culture- Derived Aloe Vera Roots, Eufrocinio Marfori, Bernadette Rapiz
The Philippine Agricultural Scientist
Aloe vera is a perennial, succulent plant which has been used in folk medicine for wound-healing, as its roots have been reported to exhibit remarkable antimicrobial properties. However, collecting the roots is detrimental to plant growth and development. Hence, an alternative system of producing A. vera roots must be developed. Tissue culture is a potential tool to obtain A. vera root biomass, which can serve as raw materials for the large-scale production of antimicrobial compounds. In this study, individual shoots taken from the multiple shoot culture of A. vera were induced to form roots in MS medium supplemented with 1 …
A Review On The Cytogenetic Integrity Of Micropropagated Plants [Review Paper], Eliaza Alumbro Peniton Jr
A Review On The Cytogenetic Integrity Of Micropropagated Plants [Review Paper], Eliaza Alumbro Peniton Jr
The Philippine Agricultural Scientist
Cytogenetic stability is essential for the survival of micropropagated plants. While micropropagation allows rapid propagation of plants with desirable phenotypes, it may also produce genetic variations that are, at times, cytogenetically observable. Factors affecting these variations are not fully understood, and micropropagation protocols are optimized to produce genetically stable regenerants. The genetic stability of micropropagated plants is traditionally assessed by comparing the phenomorphological traits of the regenerants to the mother plant. However, genetic variation does not often result in obvious morphological changes. Therefore, molecular and cytogenetic markers are typically used to evaluate the genetic variations of regenerants. Moreover, analyzing plant …
Isolation And Enumeration Of Salmonella Enterica From Fresh Lettuce (Lactuca Sativa L.) Leaves And Its Susceptibility To Different Washing Protocols, Meinard Talplacido, Angella Melissa Carlos, Bryan Rey Oliveros, Ida Dalmacio
Isolation And Enumeration Of Salmonella Enterica From Fresh Lettuce (Lactuca Sativa L.) Leaves And Its Susceptibility To Different Washing Protocols, Meinard Talplacido, Angella Melissa Carlos, Bryan Rey Oliveros, Ida Dalmacio
The Philippine Agricultural Scientist
Lettuce is one of the most consumed fresh produce items in the country, but it also serves as a vehicle for human pathogens, posing a risk of foodborne illness. This study used conventional microbiological and molecular analyses to obtain the concentration and prevalence of Salmonella enterica in fresh Green Ice and Iceberg lettuce leaves from selected supermarkets in Los Baños, Laguna, Philippines. The efficacy of different household washing procedures in reducing S. enterica on lettuce leaves was also investigated. Of the 19 composite Green Ice lettuce and 21 composite Iceberg lettuce samples tested, 5.26% and 4.76%, respectively, were contaminated with …
Influence Of Nitrogen And Phosphorus Rates On The Growth Of Water Hyacinth (Pontederia Crassipes Mart.), Mary Joy M. Abit, Rene Franchesca A. Pilar, Analiza Henedina M. Ramirez
Influence Of Nitrogen And Phosphorus Rates On The Growth Of Water Hyacinth (Pontederia Crassipes Mart.), Mary Joy M. Abit, Rene Franchesca A. Pilar, Analiza Henedina M. Ramirez
The Philippine Agricultural Scientist
Research has been conducted globally to investigate the growth and colonization patterns of Pontederia crassipes Mart. This research aimed to examine the impact of varying rates of nitrogen (N) and phosphorus (P) on the growth of P. crassipes and determine the nutrient levels that would result in the greatest growth response. P. crassipes plants were placed in plastic containers filled with 5 L of distilled water. Nitrogen and phosphorus were applied separately at varying concentrations. Specifically, N was added at 0, 10, 20, 30, 40, or 50 mg L-1 and P at 0, 1, 3, 5, 7, or 9 …
Morphoanatomy And Phenoplasticity Of Cardamine Hupingshanensis (Brassicaceae) Under Cadmium Stress, Yafen Han, Florfe M. Acma, Maria Melanie M. Guiang, Chris Rey M. Lituanas, Fulgent P. Coritico, Victor B. Amoroso
Morphoanatomy And Phenoplasticity Of Cardamine Hupingshanensis (Brassicaceae) Under Cadmium Stress, Yafen Han, Florfe M. Acma, Maria Melanie M. Guiang, Chris Rey M. Lituanas, Fulgent P. Coritico, Victor B. Amoroso
The Philippine Agricultural Scientist
Using a soil culture method, this study investigated the morphoanatomical responses and phenotypic plasticity of Cardamine hupingshanensis (Brassicaceae) under different cadmium (Cd) concentrations. Root morphological indices initially increased at low Cd levels but decreased as Cd concentrations rose, exhibiting a low-promoting and high-inhibiting effect. Leaf morphology and biomass peaked at 5 or 10 mg kg-1 Cd before decreasing at higher concentrations but were still significantly higher than the control (P < 0.05). Anatomical structure analysis revealed no significant difference at 5 mg kg-1 Cd; however, at ≥ 100 mg kg-1 Cd, epidermal and spongy tissue thickness differed significantly from the control. Correlation analysis indicated a significant positive correlation between …
Assessment Of Drought Tolerance In Mung Bean [Vigna Radiata (L.) Wilczek] Through Phenology, Growth, Protein Yield, And Cluster Heatmap Analysis, Rafiqul Islam, Jamil Hossain, Shamsul Huda, Mohammad Golam Azam, Faruk Hossain, Aktar Uz Zaman, Safiqul Moula, Nasir Uddin Ahmed, Jamal Hossain, Ayman El Sabagh, Mohammad Sohidul Islum
Assessment Of Drought Tolerance In Mung Bean [Vigna Radiata (L.) Wilczek] Through Phenology, Growth, Protein Yield, And Cluster Heatmap Analysis, Rafiqul Islam, Jamil Hossain, Shamsul Huda, Mohammad Golam Azam, Faruk Hossain, Aktar Uz Zaman, Safiqul Moula, Nasir Uddin Ahmed, Jamal Hossain, Ayman El Sabagh, Mohammad Sohidul Islum
The Philippine Agricultural Scientist
Mung bean [Vigna radiata (L.) Wilczek] cultivation is challenging under the changing climate as less precipitation during the summer season, which is becoming increasingly common, results in soil moisture deficiency and affects production especially at the early growth stages. Hence, this study was conducted to assess the phenology, growth, and protein yield traits of mung bean related to drought tolerance. Eight mung bean genotypes were grown in pots inside a rain-out shelter under well-watered (WW) and water-deficit (WD) conditions. These genotypes included four water stress-tolerant genotypes: G-1 (BARI Mung-8), G-2 (BMX-010015), G-3 (BMX-08010-2), and G-4 (BMX-08009-7), as well as four …
Effects Of Culture Media And Duration On In Vitro Maturation And Production Of Cỏ Goat Embryos, Van Khanh Nguyen, Huong Thi Thu Vu, Au Thi Hoang, Yen Thi Kim Pham, Dat Van Le, Lan Anh Thi Nguyen, Huu Xuan Quan, Lan Doan Pham
Effects Of Culture Media And Duration On In Vitro Maturation And Production Of Cỏ Goat Embryos, Van Khanh Nguyen, Huong Thi Thu Vu, Au Thi Hoang, Yen Thi Kim Pham, Dat Van Le, Lan Anh Thi Nguyen, Huu Xuan Quan, Lan Doan Pham
The Philippine Agricultural Scientist
This study aimed to evaluate the effects of maturation media and duration on the in vitro maturation (IVM) of Cỏ goat oocytes for the in vitro production of Cỏ goat embryos. In Experiment 1, the highest percentage of matured oocytes and blastocyst rates were observed in the IVM medium consisting of tissue culture medium (TCM) 199 + 10% fetal calf serum (FCS) + 50 ng/mL follicle stimulating hormone (FSH) + 100 μM cysteamine + 10 ng/mL epidermal growth factor (EGF) + 100 units/mL penicillin G potassium + 0.1 mg/mL streptomycin sulphate (P < 0.05). In Experiment 2, Cỏ goat oocytes were cultured in the same IVM medium for 20, 22, and 24 h, respectively. The matured oocyte and blastocyst rates of the 20-h group were lower than those of the 22- and 24-h groups (61.56% vs. 76.81% and 73.48%; 13.76% vs. 24.75% and 24.72% respectively; P < 0.05), while there was no difference between the 22- and 24-h groups (P > 0.05). In conclusion, the TCM 199 medium supplemented …
A P-Graph Approach For Planning Sustainable Rice Straw Management Networks, Victoria Migo Sumagang Maria, Michael Angelo B. Promentilla
A P-Graph Approach For Planning Sustainable Rice Straw Management Networks, Victoria Migo Sumagang Maria, Michael Angelo B. Promentilla
The Philippine Agricultural Scientist
The Philippines produces up to 15.2 Mt of rice straw waste annually. Unmanaged rice straw waste disposal can lead to pollution from open field burning. On the other hand, rice straw agricultural waste can be used sustainably to produce valuable products such as mushrooms, fodder, pellets, or bioenergy, in a rice straw management system. Such systems can be optimized using Process Integration tools so that the raw materials are used efficiently at the maximum profit and with a minimal carbon footprint. The P-graph framework is an efficient Process Integration tool that solves Process Network Synthesis problems. A P-graph finds the …
Protective Responses Of The Intestinal Epithelial Cell Line Ht-29 Cells Exposed To Dephosphorylated Salmonella Flagellin [Research Note], Heyeon Baik, Jaiesoon Cho
Protective Responses Of The Intestinal Epithelial Cell Line Ht-29 Cells Exposed To Dephosphorylated Salmonella Flagellin [Research Note], Heyeon Baik, Jaiesoon Cho
The Philippine Agricultural Scientist
This study aimed to describe the effects of Salmonella Typhimurium flagellin (SFL) dephosphorylated by sweet potato purple acid phosphatase (PAP) on the protective responses of the intestinal epithelial cell line HT-29 cells. The enzyme was reported to display a broad substrate specificity for various organic phosphorylated conjugates and phosphoproteins. Dephosphorylation of SFL by sweet potato PAP decreased to 35% in the presence of 0.05 mM vanadate as compared with the negative control (p < 0.05). Intact SFL and the SFL treated with sweet potato PAP did not remarkably induce the activation of caspase-3 in HT-29 cells at all the tested levels of the substrate. Intact SFL maximally induced the release of IL (interleukin)-8 in HT-29 cells at 1000 ng/mL (p < 0.05). However, the SFL treated with the enzyme inhibited the release of IL-8 at over 100 ng/mL of the substrate as compared with intact SFL, resulting in an approximately 8-fold decrease even at 1000 ng/mL (p < 0.05). The SFL treated with the enzyme decreased the activation of the total ERK1/2 in the cells to 1.9 and 1.7–fold at 10 and 1000 ng/mL of the substrate, respectively, as compared with intact SFL (p < 0.05). In conclusion, sweet potato PAP could be a promising tool for controlling excessive inflammation during Salmonella infection in animal husbandry, and the enzyme could be a safe alternative that can overcome the drawbacks of chemotherapy.
Exploring The Impact Of High-Temperature Stress On Physiological, Anatomical, Molecular, Productive, And Quality Parameters In Diverse Olive Cultivars, Bassam F. Alowaiesh, Taghreed S. Alnusaire
Exploring The Impact Of High-Temperature Stress On Physiological, Anatomical, Molecular, Productive, And Quality Parameters In Diverse Olive Cultivars, Bassam F. Alowaiesh, Taghreed S. Alnusaire
The Philippine Agricultural Scientist
Olive (Olea europaea L.) is one of the most important horticultural crops in Saudi Arabia. High temperatures are typical in most regions during the summer season. This study explored the effect of high temperatures on diverse olive cultivars (Manzanillo, Chemlali, and Picual) grown in three different geographical locations in Saudi Arabia (Sakaka, Basita, and Al-Qurayyat). Sakaka region was classified as a hot region, while the Basita and Al-Qurayyat regions were characterized by relatively mild or low temperatures. Genotypic components were assessed by studying Amplified Fragment Length Polymorphism (AFLP) molecular markers and physiological, anatomical, productive, and oil quality parameters. The …
Exploring The Nutritional, Antioxidant, And Lipid-Lowering Properties Of Saba Banana (Musa Acuminata X Balbisiana Bbb Group) Peels, Paul Alteo Bagabaldo, Liezl M. Atienza, Katherine Ann T. Castillo-Israel, Aimee Sheree A. Barrion, Antonio C. Laurena, Maria Amelita C. Estacio
Exploring The Nutritional, Antioxidant, And Lipid-Lowering Properties Of Saba Banana (Musa Acuminata X Balbisiana Bbb Group) Peels, Paul Alteo Bagabaldo, Liezl M. Atienza, Katherine Ann T. Castillo-Israel, Aimee Sheree A. Barrion, Antonio C. Laurena, Maria Amelita C. Estacio
The Philippine Agricultural Scientist
This study investigated the nutritional and functional components of ‘saba’ banana peel (SBP) to determine its health-promoting potential for special food applications. SBP has undergone analyses measuring proximate composition, vitamin C, antioxidant activity, phytochemical content, estimated glycemic index (eGI), pancreatic lipase inhibition, and cholesterol micellar solubility inhibition. Data were processed using SPSS v20 and expressed as mean ± SD. Proximate analysis showed that SBP contained 83.83 ± 1.06% moisture, 6.74 ± 0.83% crude fat, 5.58 ± 0.24% crude protein, 9.97 ± 0.04% total ash, 9.91 ± 0.10% crude fiber, and 60.08% nitrogen-free extracts. Vitamin C content was found to be …
Village-Level Processing Of Pangi (Pangium Edule Reinw.) Seeds By The Obu Manuvu Improves The Edibility And Level Of Some Nutritional Factors [Research Note], Rovi Gem E. Villame-Gayagas, Jennifer P. Fronteras, Maria Christna D. Nacar, Aaron P. Lorilla, Pedro A. Alviola Iv
Village-Level Processing Of Pangi (Pangium Edule Reinw.) Seeds By The Obu Manuvu Improves The Edibility And Level Of Some Nutritional Factors [Research Note], Rovi Gem E. Villame-Gayagas, Jennifer P. Fronteras, Maria Christna D. Nacar, Aaron P. Lorilla, Pedro A. Alviola Iv
The Philippine Agricultural Scientist
Pangi (Pangium edule Reinw) seed is known to be a poisonous material. However, it becomes safe for consumption after processing. This study determined the effect of village-level processing by the Obu Manuvu community of Marilog District, Davao City, Philippines on the antinutrient and nutritional composition of Pangi seeds. Processing methods involved washing with running water for about 15 s, boiling in water for 30 min, and soaking in flowing water in a nearby river overnight. Results showed that after processing, the levels of antinutrients such as cyanogenic glycosides and oxalates were reduced significantly (p < 0.05) by 99.15% and 78.23%, respectively. Further, the tannin content was also significantly reduced by 96.15%. The crude fat content significantly increased (p < 0.05) by about 54%. Crude ash and fiber decreased, while protein did not change significantly (p < 0.05). Minerals such as calcium and zinc increased (p < 0.05) by 221.43% and 64.39%, respectively while the iron and manganese levels remained unaffected. Findings of the study suggested that the processing method by the Obu Manuvu effectively reduces the level of antinutrients, thereby improving the edibility and safety of Pangi seeds. Further, the processing method improves the level of some nutrients, specifically crude fat, calcium, and zinc.
Compositional Properties Of Flours And Starches From The Philippine National Seed And Industry Council-Registered Root Crops, Edgardo E. Tulin, Chinelo M. Cardaño, Anabella B. Tulin, Ma. Theresa P. Loreto, Ea Kristine Clarisse B. Tulin, Ma. Villa N. Yu
Compositional Properties Of Flours And Starches From The Philippine National Seed And Industry Council-Registered Root Crops, Edgardo E. Tulin, Chinelo M. Cardaño, Anabella B. Tulin, Ma. Theresa P. Loreto, Ea Kristine Clarisse B. Tulin, Ma. Villa N. Yu
The Philippine Agricultural Scientist
Based in the Visayas State University, Philippines, the germplasm collection of the Philippine Root Crops Research and Training Center (PhilRootcrops) is home to several varieties that have not been fully characterized for their potential use in the production of functional foods. This study evaluated the compositional properties, amylose/amylopectin ratio, and glycemic index of flour and starches of 10 varieties of cassava (Manihot esculenta Crantz), sweet potato (Ipomoea batatas L. (Lam)), and taro (Colocasia esculenta L. Schott); 8 varieties of yam (Dioscorea alata L.); and 5 varieties of arrowroot (Maranta arundinacea L.), which was the recommended …
Susceptibility Of Pre-Adult Biological Stages Of Mythimna Separata (Walker) (Lepidoptera: Noctuidae) To Three Entomopathogenic Fungi (Hypocreales), Melissa P. Montecalvo, Marcela M. Navasero
Susceptibility Of Pre-Adult Biological Stages Of Mythimna Separata (Walker) (Lepidoptera: Noctuidae) To Three Entomopathogenic Fungi (Hypocreales), Melissa P. Montecalvo, Marcela M. Navasero
The Philippine Agricultural Scientist
Armyworms are polyphagous insect pests of agricultural crops. Their population is usually managed below threshold level using insecticides. However, a single control measure is insufficient to attain a sustainable pest management. Hence, this research was conducted to assess the three species of entomopathogenic fungi as potential biological control agents against Mythimna separata (Walker) or paddy armyworm. Dose mortality assays were conducted to determine the pathogenicity of Beauveria bassiana (Bals.) Vuill., Metarhizium anisopliae (Metschn.) Sorokin, and Metarhizium rileyi (Farlow) Kepler, S.A. Rehner and Humber against various biological stages of M. separata including egg, 1st to 6th larval instars, prepupa, …
Micropropagation Of Grammatophyllum Multiflorum Var. 'Tigrinum' Lindley And Evaluation Of Its Antimicrobial Activities, Eufrocinio Marfori
Micropropagation Of Grammatophyllum Multiflorum Var. 'Tigrinum' Lindley And Evaluation Of Its Antimicrobial Activities, Eufrocinio Marfori
The Philippine Agricultural Scientist
Grammatophyllum multiflorum var. ‘tigrinum’ Lindley is an endangered orchid species endemic to the Philippines. To ensure its sustainable utilization as a source of phytochemicals, the types and concentrations of cytokinin, and auxin for shoot and root induction using nodal explants from in vitro germinated seedlings for its mass propagation were established. Seeds were germinated in vitro using MS medium without growth regulator. The nodal explants from the in vitro germinated seedlings were placed in MS medium containing different cytokinins and auxins to optimize multiple shoots and root formation, respectively. Thidiazuron (TDZ) at 2.5 μM was found to be the best …
Effects Of Methyl Salicylate (Mesa) On The Physiology And Biochemical Characteristics Of Rice Under Salinity Stress At Seedling Stage, Thu Ha Thi Pham, Truong Minh Tuan, Pham Thi Thu Hien, Tran Thi My Hiep, Chau Thi Da
Effects Of Methyl Salicylate (Mesa) On The Physiology And Biochemical Characteristics Of Rice Under Salinity Stress At Seedling Stage, Thu Ha Thi Pham, Truong Minh Tuan, Pham Thi Thu Hien, Tran Thi My Hiep, Chau Thi Da
The Philippine Agricultural Scientist
Salt stress negatively affects crop survival, growth, development, and yield. Methyl salicylate (MeSA) is synthesized from salicylic acid (SA) which is a volatile organic compound that is responsible for inducing defense mechanisms in plants and also has a protective role in stress sensitivity. The objective of this study was to examine the effect of different concentrations of methyl salicylate (MeSA) on the physiological and biochemical characteristics of two rice varieties GRIS4 (G1) and GRIS5 (G2) under salt stress at the seedling stage. Five hundred seeds of each variety were treated with different doses of MeSA (0, 0.1, 0.5, and 1.0 …
Morpho-Physiological Responses Of Wheat To Silicon And Bio-Fertilizer Under Water-Deficit Conditions, Mehrdad Arab-Aval, Hamid Reza Ganjali
Morpho-Physiological Responses Of Wheat To Silicon And Bio-Fertilizer Under Water-Deficit Conditions, Mehrdad Arab-Aval, Hamid Reza Ganjali
The Philippine Agricultural Scientist
Recently, the use of silicon and bio-fertilizer has become important worldwide to improve the physicochemical characteristics of soil. Thus, they are used as an alternative approach to cope with the water-deficit stress on wheat plant. In this regard, a split-plot factorial experiment based on randomized complete block design with three replications was conducted during 2017 and 2018 at Sistan and Baluchestan Research Station, Iran. In the present study, treatments included water-deficit stress (irrigation after 60, 120, and 180 mm of evaporation from Class A pan) as the main plot, as well as the application of silicic acid (Si) foliar nutrition …
First Detection Of Naturally Introgressed Bt Cry1ab In Asian Corn Borer [Ostrinia Furnacalis (Guenée)] - Resistant Traditional Maize (Silangan) In The Philippines, Merdelyn T. Caasi-Lit, Eureka Teresa C. Ocampo, Artemio Salazar, Jefferson Paril, Bryan Novio, Bernard Panabang, Angelyn Marta Marmeto
First Detection Of Naturally Introgressed Bt Cry1ab In Asian Corn Borer [Ostrinia Furnacalis (Guenée)] - Resistant Traditional Maize (Silangan) In The Philippines, Merdelyn T. Caasi-Lit, Eureka Teresa C. Ocampo, Artemio Salazar, Jefferson Paril, Bryan Novio, Bernard Panabang, Angelyn Marta Marmeto
The Philippine Agricultural Scientist
Resistance against insect pests is one of the most promising and highly favored characteristics of an economically important crop. In the Philippines, the Asian corn borer (ACB), Ostrinia furnacalis (Guenée), is the most destructive insect pest of maize. The discovery of Bacillus thuringiensis and the Bt toxin, which led to the development of Bt corn, effectively controlled this pest. In this study, four traditional varieties of maize that showed resistance against ACB were tested for the presence of Bt Cry1Ab protein. Out of these four, a traditional variety from San Carlos City, Pangasinan, which was initially thought to have natural …
Epinasty Accompanies Potassium Nitrate-Induced Flower Bud Break In 'Carabao' Mango [Research Note], Ulysses Besas, Calixto Protacio
Epinasty Accompanies Potassium Nitrate-Induced Flower Bud Break In 'Carabao' Mango [Research Note], Ulysses Besas, Calixto Protacio
The Philippine Agricultural Scientist
The hypothesis that potassium nitrate application promotes epinasty in ‘Carabao’ mango through increased ethylene production was investigated. The degree of drooping, apical primordium growth as affected by shoot ethylene and levels after potassium nitrate spraying were monitored. Evidence presented established for the first time in ‘Carabao’ mango that epinasty occurred just before flower emergence, coinciding with visible bud break, and extended up to 18 days, marking floral anthesis. The possible reasons could be the higher levels of ethylene at 0.31% and earlier increase of ethylene in the shoot apex at four hours and apical primordium growth. Increased ethylene levels at …
Optimization Of Ethanol Production From Enzymatically Saccharified Biomass Of Acid-Pretreated Rice Straw, Muzammal Mateen Azhar, Qurban Ali, Arif Malik, Elham Khalili, Muhammad Arshad Javed, Shinawar Waseem Ali, Muhammad Saleem Haidar
Optimization Of Ethanol Production From Enzymatically Saccharified Biomass Of Acid-Pretreated Rice Straw, Muzammal Mateen Azhar, Qurban Ali, Arif Malik, Elham Khalili, Muhammad Arshad Javed, Shinawar Waseem Ali, Muhammad Saleem Haidar
The Philippine Agricultural Scientist
The substrate of rice (Oryza sativa) straw employed in this study was procured from local market and stored in polyethene bags until needed. The study was conducted to find out the effects of process optimization of ethanol production from enzymatically saccharified biomass of acid-pretreated rice straw. The results indicated that acid pretreatment has reduced lignin content about 50%. Resultantly, pretreatment raised cellulose contents up to 52% making it suitable for enzymatic saccharification. Optimization of saccharification illustrated that parameters such as biomass, enzyme concentration, temperature, incubation time and agitation indeed affected the action of cellulase on pretreated biomass releasing …
Spectral Lights Based Treatment Enhanced Biomass Accumulation And Secondary Metabolites Production In Callus Culture Of Citrus Reticulata, Faiza Anum, Naveed Iqbal Raja, Tahira Sultana, Abeer Kazmi, Amir Ali, Bushra Qayyum, Anza Afzal, Aneela Nijibat, Zia-Ur-Rehman Mashwani, Abeer Kazmi
Spectral Lights Based Treatment Enhanced Biomass Accumulation And Secondary Metabolites Production In Callus Culture Of Citrus Reticulata, Faiza Anum, Naveed Iqbal Raja, Tahira Sultana, Abeer Kazmi, Amir Ali, Bushra Qayyum, Anza Afzal, Aneela Nijibat, Zia-Ur-Rehman Mashwani, Abeer Kazmi
The Philippine Agricultural Scientist
Citrus reticulata is a common fruit, belongs to the family Rutaceae. It contains terpenes, phenolics, flavonoids, and vitamin C in conjugation with sugars, amino acids, minerals, organic acids and other biologically important compounds. Application of light elicitation strategies in in vitro plant cultures is acquiring more interest for their potential in feasible biomass accumulation and therapeutically important secondary metabolites production. The present study was designed to investigate the effects of different monochromatic lights (white, red, blue, green, and yellow) on the proliferation and secondary metabolites accumulation in callus cultures of Citrus reticulata raised in response to treatment with AgNPs and …