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Articles 9151 - 9180 of 13588
Full-Text Articles in Entire DC Network
Exopolysaccharide From Mycelium Of Ganoderma Lucidum As A Potential Additive For Juvenile Red Hybrid Tilapia (Oreochromis Sp.), Pajaru Rahman Janathu Ferdaus
Exopolysaccharide From Mycelium Of Ganoderma Lucidum As A Potential Additive For Juvenile Red Hybrid Tilapia (Oreochromis Sp.), Pajaru Rahman Janathu Ferdaus
Student Works (2020-2029)
Functional feed additives are added during feed preparation to improve the growth performance and cellular defense for the fishes. Interaction of cellular biomolecules and dysfunction of red hybrid tilapia (Oreochromis sp.) could be avoided by strengthening the antioxidant defense with antioxidant rich sources. As for this, a bioactive polysaccharide of Ganoderma lucidum was found to have its antioxidant bioactivities. Thus the potential of exopolysaccharide (EPS) extracted from the mycelium of G.lucidum as feed additive for red hybrid tilapia was evaluated in this research. In this experiment, one hundred twenty (120) juveniles were randomly divided into four groups and designated with …
Establishment Of Mucuna Bracteata As A Platform For The Production Of Anti-Toxoplasma Immunoglobulin, Abd Aziz Nazrin
Establishment Of Mucuna Bracteata As A Platform For The Production Of Anti-Toxoplasma Immunoglobulin, Abd Aziz Nazrin
Student Works (2020-2029)
Production of recombinant proteins using plant system has gained a continuous momentum in the past decade. Traditionally, recombinant proteins are commercially produced through mammalian cell lines and microbial fermentation. These conventional platforms have intricate scalability, safety issues and costly. On the other hand, plants are easily scalable, economically competitive and do not harbor animal or human pathogens. As eukaryote, plants are capable to carry out complex post-translational modifications that are necessary for functional biological activities such as disulphide bridging and glycosylation. The aim of this study is to establish a new platform for the production of recombinant pharmaceutical protein in …
Photosynthetic Activity And Yield Of Pegaga (Hydrocotyle Bonariensis) Grown Under Natural And Artificial Light, Narayanan Indiran Nair
Photosynthetic Activity And Yield Of Pegaga (Hydrocotyle Bonariensis) Grown Under Natural And Artificial Light, Narayanan Indiran Nair
Student Works (2020-2029)
Large leaf pennywort (Hydrocotyle bonariensis) also known as Pegaga in Malaysia, is an herb belonging to the family Araliaceae and commonly used as a culinary leafy vegetable and in preparation of traditional medicines to treat various symptoms of ophthalmic diseases and eczema. The plant is also used as an emetic, diuretic and laxative. With the increasing demand for H. bonariensis by the herbal industry, sourcing plant materials from natural habitats is no longer an economically viable or environmentally sustainable proposition. H. bonariensis is highly sensitive to direct sunlight exposure and water scarcity, which makes successful farming dependent on weather conditions …
Introducing An Indigenous Non-Toxigenic Aspergillus Flavus Strain Isolated From Iraqi Corn Grains As A Bio-Control Agent To Reduce Aflatoxin Contamination In Corn Grains, Ali Almatakeez
Graduate Theses and Dissertations
Mycotoxin contamination of cereal crops, such as maize and sorghum, is a global concern because of the potential health effects on humans and animals. Although substantial research has been conducting regarding mycotoxin prevention and mitigation, little information is available about the association of mycotoxin-producing fungi with corn and sorghum grain in Iraq. Identifying and refining indigenous atoxigenic strains to reduce mycotoxin contamination of maize and sorghum has the potential to enhance the nutritional value of these grains while reducing economic losses. However, to our knowledge, this tactic has not yet been adopted by agricultural authorities and farmers in Iraq. To …
Which Vegetation Sampling Approach Is More Efficient For A Rangeland Inventory?, Gh. Ghanbarian, M. Mesdaghi, H. Barani, M. Azimmohseni
Which Vegetation Sampling Approach Is More Efficient For A Rangeland Inventory?, Gh. Ghanbarian, M. Mesdaghi, H. Barani, M. Azimmohseni
IGC Proceedings (1977-2023)
No abstract provided.
Presentation Of Diversity, Life Forms And Chorology Of Plant Species In Rangelands Of Jahrom, Gh. Ghanbarian, E. Jafari, A. Hatami, M. Tayebi Khorrami
Presentation Of Diversity, Life Forms And Chorology Of Plant Species In Rangelands Of Jahrom, Gh. Ghanbarian, E. Jafari, A. Hatami, M. Tayebi Khorrami
IGC Proceedings (1977-2023)
No abstract provided.
Analysis Of C‐Banding And Karyotype Of Chromosome Of Two Galega Species, Hongwen Gao, Xinyu Zhang, Zan Wang
Analysis Of C‐Banding And Karyotype Of Chromosome Of Two Galega Species, Hongwen Gao, Xinyu Zhang, Zan Wang
IGC Proceedings (1977-2023)
No abstract provided.
Obstacles Of Determining Compensation In Grassland Ecological Values, Zhiyi Gai, Xiufang Gao
Obstacles Of Determining Compensation In Grassland Ecological Values, Zhiyi Gai, Xiufang Gao
IGC Proceedings (1977-2023)
No abstract provided.
Application Of Analytical Hierarchy Process (Ahp) In Priority Classification Of Utilization Measurement Methods In Agropyrun Trichophrum Stands In Upland Grasslands Of Iran, Fazel Amiri
IGC Proceedings (1977-2023)
No abstract provided.
Assessment Of Important Environmental Factors Affecting Agropyron Trichophrum Establishment By Using An Ordination Method, Fazel Amiri, M. R. Chaichi, T. Tabatabai
Assessment Of Important Environmental Factors Affecting Agropyron Trichophrum Establishment By Using An Ordination Method, Fazel Amiri, M. R. Chaichi, T. Tabatabai
IGC Proceedings (1977-2023)
No abstract provided.
Inter‐Annual Dynamics Of Grassland Yields And Assessment Of Herbage Supply In The Headwater Region Of Three Rivers Over 18 Years, Jiangwen Fan, Junbang Wang, Zhouqi Chen, Huaping Zhong, Quanqin Shao, Jiyuan Liu, Wenyan Zhang
Inter‐Annual Dynamics Of Grassland Yields And Assessment Of Herbage Supply In The Headwater Region Of Three Rivers Over 18 Years, Jiangwen Fan, Junbang Wang, Zhouqi Chen, Huaping Zhong, Quanqin Shao, Jiyuan Liu, Wenyan Zhang
IGC Proceedings (1977-2023)
No abstract provided.
Dynamics Of Leymus Chinensis And Hierochloe Glabrain Grassland Plantings Within The Songnen Plains Of China, Guangzhi Fan, Yunfei Yang
Dynamics Of Leymus Chinensis And Hierochloe Glabrain Grassland Plantings Within The Songnen Plains Of China, Guangzhi Fan, Yunfei Yang
IGC Proceedings (1977-2023)
No abstract provided.
Testing The Neutral Theory Of Plant Communities In Subalpine Meadow, Xiaoguang Du, Shurong Zhou
Testing The Neutral Theory Of Plant Communities In Subalpine Meadow, Xiaoguang Du, Shurong Zhou
IGC Proceedings (1977-2023)
No abstract provided.
Assessment Of Biochemical Changes During Fermentation Process For Production Of Traditional Fermented Cassava Meal “Mchuchume”, Severino Alphonce, Lilian Kaale
Assessment Of Biochemical Changes During Fermentation Process For Production Of Traditional Fermented Cassava Meal “Mchuchume”, Severino Alphonce, Lilian Kaale
Tanzania Journal of Science
“Mchuchume” is a ready to eat fermented cassava food whose production is accomplished by a consortium of microorganisms, some of which may be probiotic in nature and others pathogens to humans and of no use in the fermenting system. This work made characterization of biochemical changes evolved at different times in local (open) and biotechnological (closed) fermentation methods. The study also assessed organoleptic properties of final products. Acidification was observed in the retting water as pH ranged from 6.32 to 4.25 and titratable acidity from 0.02% to 0.32%. A decrease in total reducing sugars (6.59 to 4.03 mg/g) in fermenting …
Soil-Plant Nutrient Cycling In Old Cocoa Farms In A Part Of South Western Nigerian Forest Belt, Olusola Afolayan
Soil-Plant Nutrient Cycling In Old Cocoa Farms In A Part Of South Western Nigerian Forest Belt, Olusola Afolayan
Tanzania Journal of Science
Apart from pests and diseases, a vital issue in the early mature of cocoa crop in Nigeria is soil nutrient degradation in relation to the ageing of the farms and annual mining of nutrients via yield harvests. Indigenous production of cocoa in southwest Nigeria has been on without fertilizer applications. This is the basis for the reduction average lifespan and productive years of the plantation. The aim of this study was to quantify the rates of soil nutrient losses via cycling channels in old cocoa farm using cocoa beans, leaves, litters, and pod husks in south western Nigeria forest belt. …
Assessment Of The Geochemical Characteristics Of Water And Surface Sediments Of Rufiji Mangrove Forest, Tanzania, Dativa Shilla, Daniel Shilla
Assessment Of The Geochemical Characteristics Of Water And Surface Sediments Of Rufiji Mangrove Forest, Tanzania, Dativa Shilla, Daniel Shilla
Tanzania Journal of Science
This study was carried out to investigate the geochemical characteristics of the Rufiji mangrove systems using mineralogy and heavy metal analyses. Rufiji mangrove sediments showed predominance of fine grain size fractions with silt as the major component. Stoichiometric ratios of nutrients revealed phosphorus enrichment in Rufiji sediment. The overall order of heavy metal concentrations in sediments was: Fe > Mg > Mn > Zn > Cr > Ni > Pb > Cu > Co > Cd. There was no relationship between grain size and some of the heavy metal concentrations, except for Co, Cr, Fe, and Mg which negatively correlated with sand, and positively correlated with silt. The findings …
Comparative In Vitro Antioxidant Activities Of Aqueous Extracts Of Garcinia Kola And Buchholzia Coriacea Seeds, Abdulkadir Abubakar, Moshood Olorunkemi, Musa Busari, Rabiat Hamzah, Tawakaltu Abdulrasheed-Adeleke
Comparative In Vitro Antioxidant Activities Of Aqueous Extracts Of Garcinia Kola And Buchholzia Coriacea Seeds, Abdulkadir Abubakar, Moshood Olorunkemi, Musa Busari, Rabiat Hamzah, Tawakaltu Abdulrasheed-Adeleke
Tanzania Journal of Science
Comparative in vitro antioxidant activities of aqueous extracts of Garcinia kola and Buchholzia coriacea seeds were carried out using 2, 2-diphenyl 1-picrylhydrazyl (DPPH) free radical scavenging activities, ferric reducing antioxidant power (FRAP) and inhibition of lipid peroxidation assays. Total phenolics, alkaloids, tannins, saponins and flavonoids constituents of the samples were also determined. G. kola seeds contained higher concentrations of secondary metabolites compared to B. coriacea seeds except flavonoids. Both G. kola and B. coriacea exhibited minimum percentage inhibition when compared with the gallic acid. However, B. coriacea exhibited significantly (p < 0.05) higher percentage DPPH scarvenging activities (44.66%) when compared with G. kola (43.62%) at maximum concentration of 100 µg/mL. G. kola on the other hand, showed higher percentage inhibition of lipid peroxidation when compared with B. coriacea at all tested concentrations. Percentage FRAP by B. coriacea was significantly (p < 0.05) higher than G. kola at 100 µg/mL (46.65%, and 38.35%, respectively) and 50 µg/mL (38.75%, and 46.05%, respectively), while lower percentage FRAP of the G. kola than B. coriacea were recorded at 25 µg/mL (24.26% and 38.24%, respectively) and 12.5 µg/mL (34.41% and 37.41%, respectively). Therefore, Garcinia kola and B. coriacea showed appreciable antioxidant activities at varying concentrations and this may be due to the presence of various phenolic compounds in both samples Keywords: Buchholzia coriacea; Garcinia kola; Antioxidant; DPPH free radicals; Secondary metabolites.
Effects Of Onion Juice And Moringa Oleifera Leaf Juice On The Shelf Life Of Sugarcane Juice, Joshua Boniface, Lilian Kaale, Hildelitha Msita, Leonard Rweyemamu
Effects Of Onion Juice And Moringa Oleifera Leaf Juice On The Shelf Life Of Sugarcane Juice, Joshua Boniface, Lilian Kaale, Hildelitha Msita, Leonard Rweyemamu
Tanzania Journal of Science
Effects of onion juice and Moringa oleifera leaf juice on the shelf life of sugarcane (Saccharum officinarum) cultivar R579 juice were studied. R579 sugarcane cultivar was selected based on its juice yield (1500 ml/2.5 kg) compared to Saccharum officinarum cultivars R570 (1000 ml/2.5 kg), Bungara (1200 ml/2.5 kg) and Galagaza (800 ml/2.5 kg). The concentrations for onion and Moringa oleifera leaf juice were chosen based on recommended dietary allowance (RDA) where design expert software was used to establish the ratios. There was a significant growth of microbes in non-pasteurized sugarcane juice and stored at room temperature. The yeast/mould and Leuconostoc …
Acute Toxicity, Antidiarrhoeal And Antioxidant Activities Of Methanolic Leaf Extract Of Baphia Macrocalyx In Mice, Regina Malekela, Jacob Mwakalinga, Rosta Antony, Flora Stephano
Acute Toxicity, Antidiarrhoeal And Antioxidant Activities Of Methanolic Leaf Extract Of Baphia Macrocalyx In Mice, Regina Malekela, Jacob Mwakalinga, Rosta Antony, Flora Stephano
Tanzania Journal of Science
The aim of the current study was to assess the acute toxicity, antidiarrhoeal and antioxidant potentials of methanolic leaf extract of Baphia macrocalyx (BM) in mice. Acute toxicity test of BM extract was performed based on OECD guideline 423. Results revealed that the extract did not produce any changes in general behaviour, body weight or mortality of the tested mice even at the highest oral administered dose (2000 mg/kg body weight). The antidiarrhoeal effect was examined using castor oil induced diarrhoea test. Results showed that BM extract delayed the onset of diarrhoea, decreased frequency of defaecation and reduced the severity …
Effects Of 15 Local Medicinal Plant Species On Protein Tyrosine Phosphatase 1b And Dipeptidyl Peptidase 1v Activity As Herbal Antidiabetic Type 2 Remedies, Pamhidzai Dzomba, Chidavayenzi Tinevimbo
Effects Of 15 Local Medicinal Plant Species On Protein Tyrosine Phosphatase 1b And Dipeptidyl Peptidase 1v Activity As Herbal Antidiabetic Type 2 Remedies, Pamhidzai Dzomba, Chidavayenzi Tinevimbo
Tanzania Journal of Science
This study aimed at investigating plant species that are used locally in Zimbabwe to manage diabetes type 2 and their respective modes of action using in vitro studies. The plants for this study were identified by ethnobotanical studies and their respective antidiabetic potentials were evaluated using protein tyrosine phosphatase 1B (PTP 1B) and dipeptidyl peptidase IV (DPP IV) inhibition assays. Out of the 15 plant species used to manage diabetes in traditional practices, 9 inhibited PTP 1B with half maximal inhibitory concentrations (IC50) ranging from 0.03 ± 0.00 to 61.31 ± 0.70 µg/mL. The mechanism of inhibition deduced from Lineweaver-Burk …
Occurrence Of Aflatoxins In Maize And Maize Products From Selected Locations Of Tanzania And The Effects Of Cooking Preparation Processes On Toxin Levels, Macarius Mtega, Clarence Mgina, Eliangiringa Kaale, Kessy Kilulya
Occurrence Of Aflatoxins In Maize And Maize Products From Selected Locations Of Tanzania And The Effects Of Cooking Preparation Processes On Toxin Levels, Macarius Mtega, Clarence Mgina, Eliangiringa Kaale, Kessy Kilulya
Tanzania Journal of Science
The production and storage of food crops in different countries is affected by aflatoxins contamination, which are known to be carcinogenic and mutagenic to human beings and domestic animals. This study investigated on the occurrence of aflatoxins in maize products and the effects of cooking preparation processes on their concentrations. The maize samples were collected from fields, farmers' stores and markets of selected locations in Tanzania (i.e., Kongwa and Njombe districts). Extracted samples were analyzed for aflatoxins using high performance liquid chromatography. The concentrations of aflatoxins in maize and maize products ranged from below detection limit to 9.99 ± 1.43 …
Extraction, Derivatization, Characterization And Antifungal Investigation Of Limonene From Citrus Sinensis Peels, Ita Uwidia, Bodunde Owolabi, Richard Okafor
Extraction, Derivatization, Characterization And Antifungal Investigation Of Limonene From Citrus Sinensis Peels, Ita Uwidia, Bodunde Owolabi, Richard Okafor
Tanzania Journal of Science
Limonene, a cyclic monoterpene is the main component in citrus oils. Oranges (Citrus sinensis) were sourced from a local market, peeled and the peels collected for this study. The orange peels were distilled using steam distillation to obtain the oil. The oil obtained was then distilled to obtain a pure colourless form of limonene (95%). The limonene (2 ml) was dissolved in dry chloroform (25 ml) and freshly distilled hydroiodic acid (57%; boiling point 127 °C) to give the derivative iodo-limonene (1.4 g; 30% yield). Another reaction of epoxidation of limonene was carried out by reacting limonene with hydrogen peroxide …
Effects Of Grazing On Reproductive Characteristics Of Stipabreviflora In Desert Steppe, Lixia Du, Qingfeng Li
Effects Of Grazing On Reproductive Characteristics Of Stipabreviflora In Desert Steppe, Lixia Du, Qingfeng Li
IGC Proceedings (1977-2023)
No abstract provided.
Long‐Term Cattle Grazing Affected Specific Leaf Area And Its Components In Two Range Plant Species, Xuejun Dong, Paul Nyren, Bob Patton, Brian Kreft, Anne Nyren
Long‐Term Cattle Grazing Affected Specific Leaf Area And Its Components In Two Range Plant Species, Xuejun Dong, Paul Nyren, Bob Patton, Brian Kreft, Anne Nyren
IGC Proceedings (1977-2023)
No abstract provided.
Photosynthesis And Soil Respiration From A Mixed‐Grass Prairie: Effects Of Grazing And Drought, Xuejun Dong, Paul Nyren, Bob Patton, Guojie Wang, Brian Kreft, Anne Nyren, Ryan Limb, Don Kirby, Larry Cihacek
Photosynthesis And Soil Respiration From A Mixed‐Grass Prairie: Effects Of Grazing And Drought, Xuejun Dong, Paul Nyren, Bob Patton, Guojie Wang, Brian Kreft, Anne Nyren, Ryan Limb, Don Kirby, Larry Cihacek
IGC Proceedings (1977-2023)
No abstract provided.
Effect Of Salt Stress On The Tall Wheatgrass At The Stage Of Seedling, Kuanhu Dong, Yanqing Liu
Effect Of Salt Stress On The Tall Wheatgrass At The Stage Of Seedling, Kuanhu Dong, Yanqing Liu
IGC Proceedings (1977-2023)
No abstract provided.
Leaf Traits Can Be Used To Predict Rates Of Litter Decomposition, Marc Rosenfield, Jennifer L. Funk, Jason K. Keller, Catrina Clausen, Kimberlee Cyphers
Leaf Traits Can Be Used To Predict Rates Of Litter Decomposition, Marc Rosenfield, Jennifer L. Funk, Jason K. Keller, Catrina Clausen, Kimberlee Cyphers
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Strong relationships exist between litter chemistry traits and rates of litter decomposition. However, leaf traits are more commonly found in online trait databases than litter traits and fewer studies have examined how well leaf traits predict litter decomposition rates. Furthermore, while bulk leaf nitrogen (N) content is known to regulate litter decomposition, few studies have explored the importance of N biochemistry fractions, such as protein and amino acid concentration. Here, we decomposed green leaves and naturally senesced leaf litter of nine species representing a wide range of leaf functional traits. We evaluated the ability of traits associated with leaf and …
Diachronic Analysis Of Vegetation In The Sylvopastoral Zone (Senegal): What Lesson To Learn From?, A. T. Diop, A. Diouf, A. Wane
Diachronic Analysis Of Vegetation In The Sylvopastoral Zone (Senegal): What Lesson To Learn From?, A. T. Diop, A. Diouf, A. Wane
IGC Proceedings (1977-2023)
No abstract provided.
The Effect Of Hay Covered On Soil Evaporation, Xiangxin Cui, Yong Gao, Xingyuan Zhang
The Effect Of Hay Covered On Soil Evaporation, Xiangxin Cui, Yong Gao, Xingyuan Zhang
IGC Proceedings (1977-2023)
No abstract provided.
Experimental Study On Stipa Bungeana Grassland Of Enclosed, Cutting And Grazing Succession For 26 Years Semi‐Arid Region Of Northwest, J. M. Cheng, L. P. Qiu, Q. Wang, J. Cheng, X. N. Jia
Experimental Study On Stipa Bungeana Grassland Of Enclosed, Cutting And Grazing Succession For 26 Years Semi‐Arid Region Of Northwest, J. M. Cheng, L. P. Qiu, Q. Wang, J. Cheng, X. N. Jia
IGC Proceedings (1977-2023)
No abstract provided.