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Dense And Persistent Odor Representations In The Olfactory Bulb Of Awake Mice, Delaram Pirhayati, Cameron L Smith, Ryan Kroeger, Saket Navlakha, Paul Pfaffinger, Jacob Reimer, Benjamin R Arenkiel, Ankit Patel, Elizabeth H Moss Sep 2024

Dense And Persistent Odor Representations In The Olfactory Bulb Of Awake Mice, Delaram Pirhayati, Cameron L Smith, Ryan Kroeger, Saket Navlakha, Paul Pfaffinger, Jacob Reimer, Benjamin R Arenkiel, Ankit Patel, Elizabeth H Moss

Children’s Nutrition Research Center Staff Publications

Recording and analysis of neural activity are often biased toward detecting sparse subsets of highly active neurons, masking important signals carried in low-magnitude and variable responses. To investigate the contribution of seemingly noisy activity to odor encoding, we used mesoscale calcium imaging from mice of both sexes to record odor responses from the dorsal surface of bilateral olfactory bulbs (OBs). The outer layer of the mouse OB is comprised of dendrites organized into discrete "glomeruli," which are defined by odor receptor-specific sensory neuron input. We extracted activity from a large population of glomeruli and used logistic regression to classify odors …


Intake Of South African Mutton Merino Ewes On Wheat Stubble Grazing, T S. Brand, J M. Van Heerden, F Franck Sep 2024

Intake Of South African Mutton Merino Ewes On Wheat Stubble Grazing, T S. Brand, J M. Van Heerden, F Franck

IGC Proceedings (1977-2023)

Wheat stubble was grazed continuously for 154 days during the summer (December-April) by reproducing and dry ewes (n-8) at 2 stocking rates ( 1 or 2 ewes/ha), Samples were collected for chemical analysis from oesophageally fistulated (OF) sheep. Intake was determined using controlled chromium-release devices. The mean CP, ADF and NDF contents and iii vitro OM digestibility of samples were respectively 16.1:t0.4%; 40.7:t0.8%, 59.0:tl.1% and 48.5±0.7% t 1 ewe/ha and 10.8±1.1%; 53.9±1.1%, 72.1±0.9% and 48.8:t0.7% at 2 ewes/ha. The mean CP intake of dry ewes was 202±7 g/day (I ewe/ha) and 113:t6 g/day (2 ewes/ha), while the CP intake of …


Law School News: Supporting Rhode Island's Aquaculture 9-23-2024, Andrew Clark, Roger Williams University School Of Law Sep 2024

Law School News: Supporting Rhode Island's Aquaculture 9-23-2024, Andrew Clark, Roger Williams University School Of Law

Life of the Law School (1993- )

No abstract provided.


Food Security - What It Is And Why It Matters, Makell Corry, Palak Gupta Sep 2024

Food Security - What It Is And Why It Matters, Makell Corry, Palak Gupta

All Current Publications

Insufficient access to safe and nutritious foods can severely impact physical, mental, and social well-being. Without proper nutrition, focus levels, energy, and immune system support can decline, leading to long-term health challenges. This fact sheet addresses the pillars of food security and reviews government programs that help address insufficient food. It also offers recommendations of ways to volunteer to address the problem in your community.


Reducing Food Waste At Home, Makell Corry, Palak Gupta, Jose Brandao Sep 2024

Reducing Food Waste At Home, Makell Corry, Palak Gupta, Jose Brandao

All Current Publications

As food is discarded, resources such as money and water are wasted by producing food that will not be eaten and then transporting it to landfills. There are many solutions for reducing food loss. This fact sheet reviews ways you can build successful habits to address food waste.


Scientific Programs In The Arab Media - Reality And Gap, Najm Abed Khalaf Aleessawi Sep 2024

Scientific Programs In The Arab Media - Reality And Gap, Najm Abed Khalaf Aleessawi

Middle East Journal of Communication Studies

The article aimed to reveal the level of Arab media coverage of specialized scientific topics and to know the actual need for such programs, especially with the tremendous developments in various fields of life. The descriptive analytical approach was adopted, and a questionnaire tool was used, which was distributed to (205) Arab academics and researchers who were selected by a simple random sampling method. The study found that coverage of scientific programs in the Arab media at the local level is not at the required level. Social media platforms are the most widely used media means for accessing scientific programs …


Fifteen Years Of Findings: Advancements In Spring Dead Spot Research From 2009 To 2024, W. J. Hutchens, J. K. Anders, E. L. Butler, J. P. Kerns, D. S. Mccall, G. L. Miller, N. R. Walker Sep 2024

Fifteen Years Of Findings: Advancements In Spring Dead Spot Research From 2009 To 2024, W. J. Hutchens, J. K. Anders, E. L. Butler, J. P. Kerns, D. S. Mccall, G. L. Miller, N. R. Walker

Horticulture Faculty Publications and Presentations

Spring dead spot (Ophiosphaerella spp.; SDS) is one of the most detrimental diseases to warm-season turfgrasses, particularly bermudagrass (Cynodon spp.), growing in climates where cold temperatures induce dormancy. The pathogen can infect the crowns, stolons, rhizomes, and roots of bermudagrass most of the year, but infection in the fall predisposes the turf to winter injury and plant death. Symptoms typically appear the following spring, making management of SDS challenging. Moreover, the biology, epidemiology, and management of SDS are not fully understood. Ample research has been conducted on SDS which was thoroughly summarized before 2009 by Tredway et al. …


Monthly Changes In Plant Biomass, Net Primary Productivity And Transfer Dynamics Of A Tropical Grazing Land Ecosystem In Southern India, K.S T.K Karuniachamy, K Paliwal Sep 2024

Monthly Changes In Plant Biomass, Net Primary Productivity And Transfer Dynamics Of A Tropical Grazing Land Ecosystem In Southern India, K.S T.K Karuniachamy, K Paliwal

IGC Proceedings (1977-2023)

Monthly changes in plant biomass, net primary productivity and transfer dynamics of tropical grazing land of western Ghats region, southern India, are presented. The annual above- ground net production was 9.03 g/m2/day and the below-ground net production was 2.56 g/m2/day. Total annual net primary production was estimated at 4232 g/m2/day. Of the total input of 11.59 g/m2/day into the system, about 77.9% was channelled to above-ground and 22.1% to below­ground, The rate of litter disappearance was 0.55 g/m2/day and l.14 g/ m2/day for below-ground disappearance. The total output was 1.69 g/ m2/day which was 14.6% of the total input. Thus, …


Effect Of A Legume (Arachis Pintoi) On The Regrowth And Mineral Nutrition Of Associated Pangola Grass (Digitaria Decumbens), P Cruz, H Sinoquet, O Sobesky Sep 2024

Effect Of A Legume (Arachis Pintoi) On The Regrowth And Mineral Nutrition Of Associated Pangola Grass (Digitaria Decumbens), P Cruz, H Sinoquet, O Sobesky

IGC Proceedings (1977-2023)

The effect of a companion legume (Arachis pintoi) on the growth and nitrogen nutrition of an associated grass (Di'gitaria decumbems) was studied during 2 regrowth periods. Digitaria growth was expressed as a function of the cumulative absorded PAR (photosynthetically active radiation) i.e., by using the radiation-use efficiency concept. For this purpose, PAR intercepted by both the pure and mixed swards was estimated by using a radiative transfer model. Nitrogen nutrition status of Digitaria was characterised by the relation between N uptake and dry matter production. Results show a close agreement between N nutrition level and radiation-use efficiency of the grass. …


Reserve Mobilization During Regrowth After Cutting Of Forage Species: Quantification And Physiological Mechanisms In Ryegrass And Lucerne, A Ourry, J Bigot, T Kim, J Boucaud, J Salette Sep 2024

Reserve Mobilization During Regrowth After Cutting Of Forage Species: Quantification And Physiological Mechanisms In Ryegrass And Lucerne, A Ourry, J Bigot, T Kim, J Boucaud, J Salette

IGC Proceedings (1977-2023)

Time course of remobilisation of reserves was studied during the regrowth of Loli11m perem1e and Medicago sativa by 15N labelling, carbohydrate analyses and by measuring time course of several enzymes activities. When photosynthesis decreased during early regrowth, and consequently reduced availability of carbon skeletons within the plant, both nitrogen (N) uptake (lolium perene) and N2 fixatlon (Medicago saliva) decreased. Nilrogenase, as well as nitrate reductase activities, decreased. Reduction of external N assimilation was compensated for by intensive mobilization of endogenous N in roots of lucerne and in stubble of ryegrass. In the same manner, some of …


Quantification Of Nutrients Consumed And Utilized By Holstein Cows Grazing Grass Pastures In The North-Eastern Usa, Lisa A. Holden, L D. Muller, G A. Varga, S L. Fales Sep 2024

Quantification Of Nutrients Consumed And Utilized By Holstein Cows Grazing Grass Pastures In The North-Eastern Usa, Lisa A. Holden, L D. Muller, G A. Varga, S L. Fales

IGC Proceedings (1977-2023)

Managing the nutrition of high producing dairy cows on pasture in the north-eastern USA is challenging owing to difficulty in accurately estimating intake and In determining nutrient utilisation by grazing dairy cows. In Trial 1, 16 lactating Holstein cows were used to estimate intake with an intensively grazed orchardgrass (Dactylis glomerata L.) pasture with 2 stocking rates of 2.S and 3,9 cows/ha in a 24 week grazing season. Cows were fed a grain supplement which comprised about 35% of the diet dry matter. Chromium oxide was used as an external marker in faeces, Results of Trial 1 indicated total …


Crop Processing And Fractionation As A Commercial Proposition To Forage-Based Animal Systems, H T. Ostrowski-Meissner Sep 2024

Crop Processing And Fractionation As A Commercial Proposition To Forage-Based Animal Systems, H T. Ostrowski-Meissner

IGC Proceedings (1977-2023)

The paper outlines crop processing and fractionation technology as it applies to an intensive forage-based operation with beef cattle, The benefits of forage processing prior to its feeding to cattle are described with an emphasis not only on the uniformity of the nutritive quality of the processed product but also on the extra financial benefits resulting from the wet fractionation process. The value-added primary products from the fractionation process ensure extra return to the. forage producers, crop processing installation and the feedlot operation. The characteristics of the fractionation products derived from lucerne and other crops are described.


Bermudagrass Allelochemistry And Influence On Spodoptera Frugiperda Herbivory, S Quisenberry, M Mohamed Sep 2024

Bermudagrass Allelochemistry And Influence On Spodoptera Frugiperda Herbivory, S Quisenberry, M Mohamed

IGC Proceedings (1977-2023)

Cultivated area of bermudagrass (Cynodon dactylon L. Pers.), in the USA are under stress from a complex of insect and secondary fungal pests which has resulted in a loss in crop production. The fall armyworm (Spodoptera frugiperda (J.E. Smith)) is the major insect herbivore of bermudagrass in the south-eastern USA. Bermudagrass breeding programmes over the last decade have yielded germplasm with potential insect-resistant traits. Thus, a programme was initiated to define bermudagrass allelochemislry with respect to insect herbivory. Pall armyworm is variably responsive to bermudagrass cultivars, the basis being causally related to a differential concentration of the phagostimulant 6, …


Transfer Of Genes Encoding Proteins With High Nutritional Value Into Pasture Legumes, W C. Mcnabb, C Higgins, L Tabe, T J.V Higgins Sep 2024

Transfer Of Genes Encoding Proteins With High Nutritional Value Into Pasture Legumes, W C. Mcnabb, C Higgins, L Tabe, T J.V Higgins

IGC Proceedings (1977-2023)

Gene transfer systems for the forage legumes, subterranean clover (Trlfolium subterraneum) and lucerne (Medicago saltva) have been developed and optimised for current commercial cultivars. A disarmed binary vector derived from the Agrobacterium tunefaciens tumour• inducing plasmid has been used to deliver a selectable marker gene conferring resistance to phosphinothricin (the active ingredient in the herbicide, Basta) and a series of chimeric gene constructs encoding proteins that are rich in sulphur amino acids and resistant to rumen degradation. Transgenic plants expressing a gene encoding either ovalbumin or a sunflower albumin have been obtained and analyzed with respect to …


Genetic Engineering Of Pasture Legume And Grasses For Reduced Lignin Content And Increased Digestibility, C Lynne Mcintyre, J M. Manners, J R. Wilson, H Way, D Sharp Sep 2024

Genetic Engineering Of Pasture Legume And Grasses For Reduced Lignin Content And Increased Digestibility, C Lynne Mcintyre, J M. Manners, J R. Wilson, H Way, D Sharp

IGC Proceedings (1977-2023)

Plants of tropical pastures have a higher lignin content than those of temperate pastures, which limits the digestibility and nutritive value of these forages. Ribozyme and antisense RNA technology is being investigated as a method of reducing lignin levels and increasing digestibility in the tropical forage Stylosanthes spp, and in the model system tobacco. Ribozymes to the tobacco anionic peroxidase mRNA have been designed and shown to be capable of cleaving this mRNA in vitro. Constructs for the expression of antisense and ribozyme RNA to reduce peroxidase gene expression have been prepared, Transgenic tobacco plants containing these constructs have been …


Application Of The Somaclone Method In Fertility Restoration Of The Partially Sterile Hybrid Of Agropyron Repens X Bromus Inermis: Callus Initiation And Plant Regeneration, L E. Heszky, J Janovsky, G Gyulai, E Kiss, L T. Hangyel Sep 2024

Application Of The Somaclone Method In Fertility Restoration Of The Partially Sterile Hybrid Of Agropyron Repens X Bromus Inermis: Callus Initiation And Plant Regeneration, L E. Heszky, J Janovsky, G Gyulai, E Kiss, L T. Hangyel

IGC Proceedings (1977-2023)

. Callus initiation and plant regeneration from the new intergeneric hybrid of Agropyron repens L., Beauv, x Bromus inermis.1 Leyss. cv. Nanus (Agromus) was carried out. For callus initiation, the inflorescence primordia were incubated on an optimised nutritive medium designated medium-F, supplemented with 2,4-dichlorophenoxyacetic acid (0.5 mg/ I). Within 21 days of plating, embryogenic callus with globular structures were developed, From the 21st day of culture, one-step plant regeneration occurred from callus without subculture. Non-regenerative calli were subcultured to medium-F supplemented with different cytokinins. The cytological analysis of the calli showed wide genetic:il variability in chromosome number with …


Mapping Of The Potential To Substitute Plastic In Food Packaging In Finnish Supermarkets, Taina Lahtinen, Kirsi Kataja, Jari Viitanen, Vinay Kumar, Jussi Lahtinen, Ali Harlin Sep 2024

Mapping Of The Potential To Substitute Plastic In Food Packaging In Finnish Supermarkets, Taina Lahtinen, Kirsi Kataja, Jari Viitanen, Vinay Kumar, Jussi Lahtinen, Ali Harlin

Journal of Applied Packaging Research

Single-use plastics (SUP), which are extensively utilized in food packaging, are one notable cause for the constantly growing littering issue. This novel study is one of the first attempts to systemically analyze food packaging data to reveal the potential for plastic packaging material reduction or substitution by utilizing a primary packaging material summary of single items sold in Finnish supermarkets. The outcome of the study indicates considerable dissimilarities among product groups concerning used packaging materials, weight, share of plastic, and sales volume. The analysis identified sweets and ready-to-eat meals as product groups for which there is a clear need, but …


A Bayesian Semi-Parametric Scalar-On-Function Regression With Measurement Error Using Instrumental Variables, Roger S Zoh, Yuanyuan Luan, Lan Xue, David B Allison, Carmen D Tekwe Sep 2024

A Bayesian Semi-Parametric Scalar-On-Function Regression With Measurement Error Using Instrumental Variables, Roger S Zoh, Yuanyuan Luan, Lan Xue, David B Allison, Carmen D Tekwe

Children’s Nutrition Research Center Staff Publications

Wearable devices such as the ActiGraph are now commonly used in research to monitor or track physical activity. This trend corresponds with the growing need to assess the relationships between physical activity and health outcomes, such as obesity, accurately. Device-based physical activity measures are best treated as functions when assessing their associations with scalar-valued outcomes such as body mass index. Scalar-on-function regression (SoFR) is a suitable regression model in this setting. Most estimation approaches in SoFR assume that the measurement error in functional covariates is white noise. Violating this assumption can lead to underestimating model parameters. There are limited approaches …


Determining The Interrelationships For Dietary Intake Of Lipid Oxidation Products From Thermally Abused Oils, The Gut Microbiome, And Gut Health, Abby Benninghoff Sep 2024

Determining The Interrelationships For Dietary Intake Of Lipid Oxidation Products From Thermally Abused Oils, The Gut Microbiome, And Gut Health, Abby Benninghoff

Funded Research Records

No abstract provided.


Effects Of The Western Diet And Psychological Stress On Gut Health, Korry J. Hintze Sep 2024

Effects Of The Western Diet And Psychological Stress On Gut Health, Korry J. Hintze

Funded Research Records

No abstract provided.


The Effects Of Intermittent Fasting On Working Memory With A Covariate Of Exercise Among The Perimenopausal Population: A Randomized Controlled Trial, Karen Marie Veltri Sep 2024

The Effects Of Intermittent Fasting On Working Memory With A Covariate Of Exercise Among The Perimenopausal Population: A Randomized Controlled Trial, Karen Marie Veltri

Doctoral Dissertations and Projects

Intermittent fasting and exercise are tools to improve health. Current literature focuses on their impact on metabolic health and weight loss, leaving a gap in the research examining their effects on working memory during the menopause transition. The purpose of this study was to address this gap by recruiting perimenopausal participants and randomly assigning them to an experimental or a control group. The experimental group followed an 8/16 intermittent fasting regimen for two consecutive weeks. Both groups ate ad libitum without dietary restrictions. Participants completed a pre- and post-study Working Memory Questionnaire and self-reported average hours of exercise per week. …


A Qualitative Examination Of Food Choice Among Division Iii Student Athletes Using Grounded Theory, Paul Webster Craig Sep 2024

A Qualitative Examination Of Food Choice Among Division Iii Student Athletes Using Grounded Theory, Paul Webster Craig

Doctoral Dissertations and Projects

The determinants of food choice among the general population have been extensively investigated, but studies of food choice in collegiate student athletes are limited. Student athletes make food choices daily, and the selection of foods is an integral part of an athlete’s training regimen. National Collegiate Athletic Association (NCAA) Division III (DIII) student athletes are a comparatively unstudied population, particularly in terms of their food choices; therefore, assessing and understanding the influences of food choices in this population can enable and support optimal eating behavior. To assess different determinants of food choice in athletes, this qualitative study developed a theoretical …


Target Consumers For Organically Grown Fruit In Utah, Kynda R. Curtis, Makaylie Langford, Tammy King Sep 2024

Target Consumers For Organically Grown Fruit In Utah, Kynda R. Curtis, Makaylie Langford, Tammy King

All Current Publications

This fact sheet provides an overview of target consumers for organically grown fruits and fruit products in Utah. The data examined here comes from an online survey (via Qualtrics) of Utah consumers conducted in 2023. Here, we compare those willing to pay premiums for organically grown fruit and those unwilling to do so, outlining the distinction between them in terms of their demographics, purchasing patterns and shopping habits, as well as their lifestyle and attitudes.


Target Consumers For Locally Grown Fruit In Utah, Kynda R. Curtis, Makaylie Langford, Tammy King Sep 2024

Target Consumers For Locally Grown Fruit In Utah, Kynda R. Curtis, Makaylie Langford, Tammy King

All Current Publications

This fact sheet describes target consumers for locally grown fruits and fruit products in Utah. The data examined here comes from an online survey (via Qualtrics) of Utah consumers conducted in 2023. Here, we compare consumers who are willing to pay a higher premium for local fruit products and those who are not, outlining the distinction between them in terms of their demographics, purchasing patterns and shopping habits, as well as their lifestyle and attitudes.


Physiological And Psychological Performance Considerations Of Female Elite Warfighters (Few) In United States Military Special Operations: A Qualitative Study, Bailey Weis Sep 2024

Physiological And Psychological Performance Considerations Of Female Elite Warfighters (Few) In United States Military Special Operations: A Qualitative Study, Bailey Weis

Doctoral Dissertations and Projects

The purpose of this qualitative study was to better understand the physical and psychological characteristics of the female elite warfighters (FEW) that have completed a special operations selection or elite combat course in the United States Armed Forces. The theory guiding this study was Kathy Charmaz’s constructivist grounded theory (CGT) to gain deeper insight on the female pioneers who are completing special operations selections or elite combat courses by exploring the physical and psychological nature of their experience. The CGT framework for this study highlighted the participants’ background, physical insights, and mental resilience as indicators of their success while enabling …


Comparative Genomics Across Streptomyces Murinus Strains To Study Conservation Of Biosynthetic Gene Cluster Producing Antifungal Compound, Pentamycin, Dhivyan Kurani, Vamsi Korisapati, Sheril Mathew, Sathvi Gandra, Rebecca Thomas, Niah Johnson, Braham Dhillon, Navdeep Gill Sep 2024

Comparative Genomics Across Streptomyces Murinus Strains To Study Conservation Of Biosynthetic Gene Cluster Producing Antifungal Compound, Pentamycin, Dhivyan Kurani, Vamsi Korisapati, Sheril Mathew, Sathvi Gandra, Rebecca Thomas, Niah Johnson, Braham Dhillon, Navdeep Gill

Mako: NSU Undergraduate Student Journal

Biosynthetic gene clusters (BGCs) are groups of microbial genes that play a critical role in producing secondary metabolites with varied functions. Secondary metabolites include compounds such as siderophores, antibiotics, antifungal compounds, toxins, and pigments. The BGCs are modular units that usually contain a transcription factor, core biosynthetic gene, other genes involved in modifications and addition of side chains as well as genes needed for extracellular export. In specific, the metabolites produced by BGCs have diverse biological activities and usually display antimicrobial properties. The genome of Streptomyces murinus strain SPC1 revealed a complete BGC involved in the biosynthesis of the antifungal …


Cytotoxic Potential Of Fungi In The Genus Ganoderma, Abril Chao, Omobolanle A. Ayangade, Braham Dhillon, Navi Gill Sep 2024

Cytotoxic Potential Of Fungi In The Genus Ganoderma, Abril Chao, Omobolanle A. Ayangade, Braham Dhillon, Navi Gill

Mako: NSU Undergraduate Student Journal

Ganoderma lucidum is a mushroom forming fungus that has been used in traditional Chinese medicine for over 2,000 years. G. lucidum, also known as lingzhi or reishi, is consumed in several Asian cultures to promote health and longevity. Bioactive molecules with anticancer properties have been isolated and characterized primarily from the species Ganoderma lucidum, and the cytotoxic potential of other species in the genus Ganoderma remains relatively unclear. Bioactive molecules isolated from mushroom fruiting bodies are demonstrated to have cytotoxicity against different cancer cell lines. Triterpenes and polysaccharides are the two major groups of compounds that exhibit antitumor and anti-inflammatory …


Detecting Altered Hepatic Lipid Oxidation By Mri In An Animal Model Of Masld, Marc Mcleod, Mario C Chang, Anna Rushin, Mukundan Ragavan, Rohit Mahar, Gaurav Sharma, Arshee Badar, Anthony Giacalone, Max E Glanz, Vinay R Malut, Dalton Graham, Nishanth E Sunny, James A Bankson, Kenneth Cusi, Matthew E Merritt Sep 2024

Detecting Altered Hepatic Lipid Oxidation By Mri In An Animal Model Of Masld, Marc Mcleod, Mario C Chang, Anna Rushin, Mukundan Ragavan, Rohit Mahar, Gaurav Sharma, Arshee Badar, Anthony Giacalone, Max E Glanz, Vinay R Malut, Dalton Graham, Nishanth E Sunny, James A Bankson, Kenneth Cusi, Matthew E Merritt

Faculty, Staff and Student Publications

Metabolic dysfunction-associated steatotic liver disease (MASLD) prevalence is increasing annually and affects over a third of US adults. MASLD can progress to metabolic dysfunction-associated steatohepatitis (MASH), characterized by severe hepatocyte injury, inflammation, and eventual advanced fibrosis or cirrhosis. MASH is predicted to become the primary cause of liver transplant by 2030. Although the etiology of MASLD/MASH is incompletely understood, dysregulated fatty acid oxidation is implicated in disease pathogenesis. Here, we develop a method for estimating hepatic β-oxidation from the metabolism of [D


Impact Of The Covid-19 Pandemic On The Elderly, Jessica Odikpo Sep 2024

Impact Of The Covid-19 Pandemic On The Elderly, Jessica Odikpo

Walden Dissertations and Doctoral Studies

No abstract provided.


Systematic Review On Isolation, Purification, Characterization, And Industrial Applications Of Thermophilic Microbial Α- Amylases, Rugaiyah A. Arfah, Sarlan Sarlan, Abdul Karim, Anita Anita, Ahyar Ahmad, Paulina Taba, Harningsih Karim, Siti Halimah Larekeng, Dorothea Agnes Rampisela, Rusdina Bte Ladju Sep 2024

Systematic Review On Isolation, Purification, Characterization, And Industrial Applications Of Thermophilic Microbial Α- Amylases, Rugaiyah A. Arfah, Sarlan Sarlan, Abdul Karim, Anita Anita, Ahyar Ahmad, Paulina Taba, Harningsih Karim, Siti Halimah Larekeng, Dorothea Agnes Rampisela, Rusdina Bte Ladju

Karbala International Journal of Modern Science

The α-amylase enzyme, sourced from diverse organisms, including plants, animals, and bacteria, plays a crucial role in multiple industries, notably food processing sectors like cakes, fruit juices, and starch syrup. Research identifies thermophilic organisms as prime sources of this enzyme thriving at temperatures ranging from 41°C to 122°C. The enzyme purification was carried out using liquid-liquid extraction, which involved the exchange of substances between two liquid phases that were immiscible or partially soluble. The optimal temperature for α-amylase was 45 to 90°C. The best pH for bacterial and fungal α-amylases ranged from 5.0 to 10.5 and 5.0 to 9.0. Based …