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Physical Function And Health Related Quality Of Life In Culturally Diverse Elders: Evidence Of Environmental Press, Robyn M. Bossier
Physical Function And Health Related Quality Of Life In Culturally Diverse Elders: Evidence Of Environmental Press, Robyn M. Bossier
LSU Master's Theses
The purpose of this project was to identify group differences in physical function and HRQL between older adults living in different environments, and to compare information from these groups to data from a random sample of elders pulled from the general population. METHODS: Seventy-eight older adults were evaluated for physical function using the continuous-scale physical functional performance test (CS-PFP) and HRQL using the SF-36 v.2. Subjects were 26 predominantly African American participants (LOW group; age 72.2 ± 8.1 years), 26 Caucasian adults (HIGH group; age 77.6 ± 4.8 years), and 26 adults selected from a population-based study (POP group; age …
Economic Evaluation Of Potential Changes In Farm Program Price Support For Typical Louisiana Rice And Cotton Farming Operations, Manuel E. Aldana
Economic Evaluation Of Potential Changes In Farm Program Price Support For Typical Louisiana Rice And Cotton Farming Operations, Manuel E. Aldana
LSU Master's Theses
Increased government deficit has led the congress to reduce federal spending. Proposed budget cuts are intended to decrease government spending in several areas, including agriculture. Reductions in farm program spending could cause significant adverse effects on the financial situation of many farms, particularly to rice and cotton enterprises, due to their high reliance on farm program payments as a source of income. Representative rice and cotton operations of one, two, three, and four entities as single crop enterprises were considered and developed for use in this study. Farm enterprise sizes were determined by estimating the acreage level at which a …
Physicochemical Properties Of Pepper Mash Fermented In Wood And Plastic, Foong Ming Koh
Physicochemical Properties Of Pepper Mash Fermented In Wood And Plastic, Foong Ming Koh
LSU Master's Theses
Red Chile peppers (Capsicum spp.) have become one of the fastest growing spices in U.S. market due to the changing American diet, increasing ethnic diversity and the influence of ethnic foods. Louisiana has long been known for its famous hot sauce production especially sauces that are made from Tabasco pepper (C. frutescens). The raw peppers are normally ground together with salt and fermented before production. Peppers mash is usually fermented in wood barrel made out of oak. However, a wood barrel is very expensive when used in pepper fermentation. As compared to wood barrel, plastic barrel have longer usage time …
An Assessment Of Consumer Preferences For Louisiana Strawberries, Michael Neil Bruchhaus
An Assessment Of Consumer Preferences For Louisiana Strawberries, Michael Neil Bruchhaus
LSU Master's Theses
Louisiana strawberry production has decreased over a period of years while national production has increased, leading to concern that Louisiana's strawberry industry might disappear. California, the leading producer state, has exploited its production advantages and marketing efficiency to increase production. The objectives of the study were (1) to identify strawberry attributes preferred by consumers in the selected market area, (2) to analyze key demographic factors that influence the decision about sources of and preferences for strawberries, and (3) to identify key steps that the Louisiana strawberry industry might take to improve marketability of product and profitability of its production. Conjoint …
Hemodynamic And Ocular Responses To Caloric Stimulation And Age-Related Disparities, Melissa J. Deveer
Hemodynamic And Ocular Responses To Caloric Stimulation And Age-Related Disparities, Melissa J. Deveer
LSU Master's Theses
Age-related declines in vestibular function affect balance and coordination in older adults. Of perhaps equal importance, but less understood, are the potential implications of vestibular degeneration on cardiovascular homeostasis. Recent evidence suggests that the semi-circular canals, a section of the vestibular system, may be involved in the vestibulosympathetic reflex (VSR), but the extent to which the aging of the semi-circular canals interferes with cardiovascular homeostasis is unknown. Activation of the intact VSR results in increases in tonometric blood pressure (TBP) and heart rate (HR) as well as decreases in cardiac output (Q) and pre-ejection period (PEP). The purpose of this …
The Effect Of Dietary Phosphorus Level And Phytase Supplementation On Growth Performance, Bone Breaking Strength, And Phosphorus Excretion In Broilers, Syrena Powell
LSU Master's Theses
This research was conducted to determine the effects of feeding different P levels with and without phytase supplementation on broiler growth performance, bone breaking strength (BBS), and P excretion. An experiment with 4 trials was conducted with 7,840 Ross x Ross straight run broilers. For each trial, 1,960 broilers were allotted on d 0 to 4 treatments with 7 replications per treatment with 70 broilers per replication. The broilers were fed a 4 period feeding program consisting of starter (0 to 14 d), grower (14 to 32 d), finisher (32 to 41 d), and withdrawal (41 to 50 d) periods. …
Genetic (Co) Variance For Growth And Tenderness Related Traits In Purebred Brahman Steers, Joshua Dean Domingue
Genetic (Co) Variance For Growth And Tenderness Related Traits In Purebred Brahman Steers, Joshua Dean Domingue
LSU Master's Theses
Paternal half-sib groups of Brahman bull calves were purchased at weaning from purebred Brahman producers in Louisiana. Following backgrounding and grazing on ryegrass the steers shipped to a commercial feedlot in south Texas. Steers were slaughtered in groups when they reached an approximate average endpoint weight of 535 kg and 10mm backfat. After a 24 hr chill, carcasses were ribbed, data collected, and a longissimus muscle sample taken for calpastatin assay. Two 2.54 cm thick steaks were randomly removed from the large end of the strip loin, vacuum packaged, and randomly selected for 7 and 14 days of aging. Genetic …
Liquid Feeding In The Red Imported Fire Ant, Solenopsis Invicta Buren (Hymenoptera: Formicidae), Kathryn Shea O'Brien
Liquid Feeding In The Red Imported Fire Ant, Solenopsis Invicta Buren (Hymenoptera: Formicidae), Kathryn Shea O'Brien
LSU Master's Theses
In order to accurately test liquid bait effectiveness in the lab, we determined that a starvation time of 96h is more appropriate than 72h of starvation time for laboratory fire ants (Solenopsis invicta Buren) to better simulate foraging ants in the field. Densities and viscosities of two commercial baits and 20% sugar water at 25C were measured then compared to amount of material consumed per ant at these physical properties. Mean densities of 20% sugar water, Dr. Moss, and Terro were 1.051, 1.287, and 1.354 g/mL, respectively, and viscosity of each bait treatment varied in the same order but more …
Effects Of Protein Sources With Differing Ruminal Degradation Characteristics On Nutrient Digestibilities And Flows Through Various Segments Of The Gastrointestinal Tract Of Non-Lactating Holstein Cows, Taylor Whitney Braud
LSU Master's Theses
Six non-lactating Holstein cows with ruminal and duodenal cannulas were used in a replicated 3x3 Latin square design experiment to investigate the effects of supplemental protein source on ruminal and total tract nutrient digestibility. Supplemental protein was provided from soybean meal (SBM), expeller processed soybean meal (EXP), or menhaden fish meal (FM). Basal diets consisted of (DM basis) 33% corn silage, 20% bermudagrass hay, 27% ground corn, and 2% minerals and vitamins. Supplemental protein was provided as (DM % of total diet) 18% soybean meal (SOY), 17% soybean meal and 1% fish meal (FM), or 12% soybean meal and 6% …
Seasonal Abundance And Detection Of West Nile Virus In Ceratopogonids (Diptera: Ceratopogonidae) In East Baton Rouge Parish, Louisiana, Isidra Joselina Sabio
Seasonal Abundance And Detection Of West Nile Virus In Ceratopogonids (Diptera: Ceratopogonidae) In East Baton Rouge Parish, Louisiana, Isidra Joselina Sabio
LSU Master's Theses
The seasonal abundance and species composition of ceratopogonids (Diptera: Ceratopogonidae) in East Baton Rouge parish was described from light trap collections at 15 sites. A total of 4,968 collections were processed, and 48,667 ceratopogonids were collected from 20 November, 2002 through 25 November, 2004. Three genera of ceratopogonids (Forcipomyia Meigen, Atrichopogon Kieffer, and Culicoides Latrielle) and a total of 18 species of the genus Culicoides were identified. Ceratopogonids had distinctive spring and fall population peaks. Ceratopogonids were collected in every month during the study, with the exception of February 2004. These results suggest that certain species of Culicoides may …
The Effect Of Diets Varying In Dietary Cation-Anion Difference Fed In Late Gestation And In Lactation On Sow Productivity, Melanie Lynn Roux
The Effect Of Diets Varying In Dietary Cation-Anion Difference Fed In Late Gestation And In Lactation On Sow Productivity, Melanie Lynn Roux
LSU Master's Theses
Eighty-six primiparous or multiparous sows and their pigs were used to evaluate the effects of changing dietary cation-anion difference (DCAD) in late gestation and in lactation on sow productivity. Twenty sows were used in Exp. 1, and the dietary treatments consisted of a positive control (PC) corn-soybean meal (C-SBM) diet with four levels of DCAD (140, 99, 75, and 45 mEq/kg). These DCAD’s were achieved by four levels of SoyChlor (SC) additive (0, 1.5, 2.5, and 3.5%). In Exp. 2, 66 sows were used and the dietary treatments consisted of the diets providing DCAD of 140 and 45 mEq/kg. The …
Reproductive Characteristics Of High Body Condition Mares With High Versus Low Leptin Concentrations, Cara A. Waller
Reproductive Characteristics Of High Body Condition Mares With High Versus Low Leptin Concentrations, Cara A. Waller
LSU Master's Theses
Two experiments were performed to discover what, if any, reproductive differences exist in high body condition (BCS) mares with varying concentrations of leptin. Previous research showed that mares with high body condition scores can have a range of leptin levels, from very low (<5 ng/mL) to very high (>10 ng/mL). Earlier results indicated that most mares with high body condition scores maintain estrous cycles or show significant follicular activity during the winter. Among these high BCS mares, about 30% of them exhibit hyperleptinemia and hyperinsulinemia. The first experiment was designed to compare the reproductive characteristics of high BCS mares with high versus low leptin …
Oxygen Uptake Efficiency Slope And Functional Physical Performance In Elderly Adults, Scott Eric Fuller
Oxygen Uptake Efficiency Slope And Functional Physical Performance In Elderly Adults, Scott Eric Fuller
LSU Master's Theses
Background: The Oxygen Uptake Efficiency Slope (OUES) attained during submaximal treadmill exercise is a reliable index of cardiorespiratory capacity in older adults. This investigation compares OUES values derived during treadmill walking and performance of the Continuous Scale Physical Function Performance test (CS-PFP). Method: A Cosmed portable metabolic cart was used to collect breath gases in 36 older adults (age: 81.8 +/- 7.8 years). Twenty-one subjects performed both the incremental treadmill test and the CS-PFP while an additional 15 subjects performed the CS-PFP, only. Results: The regression of log Ventilation vs. VO2 reveals similar correlations for the CS-PFP and treadmill …
Evaluation Of Selected Refuges In A Bollgard Cotton Production System: Heliothine Movement And Effects On Boll Injury, Rhett Hunter Gable
Evaluation Of Selected Refuges In A Bollgard Cotton Production System: Heliothine Movement And Effects On Boll Injury, Rhett Hunter Gable
LSU Master's Theses
During 2001-2003, distribution of heliothine- (bollworm, Helicoverpa zea [Boddie], and tobacco budworm, Heliothis virescens [F.]) injured bolls in a transgenic Bacillus thuringiensis Berliner (Bt) Bollgard® and non-Bt refuge cotton system was evaluated in several experiments. Heliothine-damaged bolls were significantly higher and seedcotton yields were lower in the non-Bt refuge than in the Bollgard® areas of fields. The highest probability in occurrence of damaged bolls was at sites near the center of the non-Bt refuge. Number of damaged bolls and probability values describing occurrence decreased from the center of the refuge to sites near the interface (adjacent rows) of the non-Bt …
Autonomic Nervous System Modulation Of The Heart Following A High Carbohydrate Liquid Meal, Calynn Davis Bunol
Autonomic Nervous System Modulation Of The Heart Following A High Carbohydrate Liquid Meal, Calynn Davis Bunol
LSU Master's Theses
The involvement of the sympathetic nervous system in the pathology of obesity has long been a debate among researchers. Various methods of capturing the resting sympathetic activity as well as the response of the sympathetic activity elicited by the introduction of a meal or a bout of exercise in both lean and obese individuals have been investigated. This study examined the autonomic modulation of the heart following a high carbohydrate liquid meal in various body types. Twenty-five females with body mass indexes [weight (kg)/height2(m)] ranging from 19.3-39.5 were grouped according to relative basal energy expenditure adjusted for lean …
L-Glutamine Supplementation: Effects On Recovery From Exercise, Tavis Joseph Piattoly
L-Glutamine Supplementation: Effects On Recovery From Exercise, Tavis Joseph Piattoly
LSU Master's Theses
Clinical evidence supports the use for exogenous glutamine in the maintenance of muscle mass and immune system function in critically ill patients. Relatively little research has examined the benefits of glutamine for athletes engaged in heavy exercise training, despite a possible link between overtraining and glutamine. PURPOSE: To examine the influence of Glutamine on time to exhaustion and power after a prolonged bout of exercise. METHODS: Twelve men (Age: 19 to 30y) involved in cycle training were asked to participate in the study. All participants performed a Symptom-Limited Graded Exercise Test (SL-GXT) using the Astrand Cycle protocol. On a subsequent …
An Examination Of U.S. Rice Export Promotion Programs, Yiqian Wang
An Examination Of U.S. Rice Export Promotion Programs, Yiqian Wang
LSU Master's Theses
The United States Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) administers two primary promotion programs for rice exports: the Foreign Market Development Program (FMDP) and the Market Access Program (MAP). Based on the literature, a single equation framework is specified to estimate the rice import demand model. Three major U.S. rice importing countries are selected: Mexico, Costa Rica, and Honduras. Single equation analysis methods are applied. The effectiveness of the two programs for rice exports to the Latin American markets is evaluated. Promotion programs and the competitors’ exchange rate as primary explanatory variables for the U.S. rice import demand in …
Cholesterol Oxidation In Roasted Salmon Fish With Different Cooking Oils, Ting Zhang
Cholesterol Oxidation In Roasted Salmon Fish With Different Cooking Oils, Ting Zhang
LSU Master's Theses
The effects of plant source cooking oils on cholesterol oxidation during heating in cholesterol standard and salmon meat model were investigated. A GC-MS system was used to identify and quantify of cholesterol and cholesterol oxidation products. The capabilities of different plant source cooking oils in preventing cholesterol oxidation were compared. Commercial plant oils used in this experiment included corn oil, canola oil, olive oil, soybean oil, and rice bran oil. Two lab prepared crude soybean and rice bran oils were also used in this study to evaluate their capabilities of preventing cholesterol oxidation. The tocopherols and tocotrienols antioxidants in those …
Characteristics Of Reduced Fat Milks As Influenced By The Incorporation Of Folic Acid, Kamalesh Achanta
Characteristics Of Reduced Fat Milks As Influenced By The Incorporation Of Folic Acid, Kamalesh Achanta
LSU Master's Theses
Folic acid plays an important role in the prevention of neural tube defects such as spina bifida and anencephaly, heart defects, facial clefts, urinary abnormalities and limb deficiencies. Milk and milk products serve as a potential source for folic acid fortification due to the presence of folate binding proteins which seem to be involved in the folate bioavailability. Though milk is a not a good source of folic acid, fortification could help in the prevention of the above mentioned defects. The objective of this study was to examine the physico-chemical characteristics of reduced fat milks fortified with folic acid. Reduced …
Effect Of Chromium Propionate And Fat Source On Growth, Carcass Traits, And Meat Quality In Swine And The Effect Of Chromium Propionate On Growth And Carcass Traits In Broilers, Ashunti Ria Jackson
Effect Of Chromium Propionate And Fat Source On Growth, Carcass Traits, And Meat Quality In Swine And The Effect Of Chromium Propionate On Growth And Carcass Traits In Broilers, Ashunti Ria Jackson
LSU Master's Theses
Three experiments were conducted to determine the effects of the chromium propionate (CrProp) in swine and poultry diets. Two broiler experiments, each utilizing 1,460 Ross X Ross broilers, were conducted to evaluate the effects of 0, 200, 400, or 800 ppb CrProp on growth performance and carcass traits in 0 to 42 and 0 to 49 d-old broilers. In Exp. 1, 400 ppb Cr decreased (P < 0.10) ADG and G:F in the grower phase, but mortality was reduced (P < 0.10) in broilers fed 200 ppb or 800 ppb Cr. In the finisher phase, G:F was increased (P < 0.10) in broilers fed all dietary levels of Cr, and mortality was reduced (P < 0.10) in broilers fed 200 and 400 ppb Cr. Chromium did not affect the overall growth data or carcass traits. In Exp. 2, CrProp did not affect growth performance. The results indicated that Cr as CrProp improved G:F in the later phases of growth and reduced mortality in Exp. 1 but not in Exp. 2. In Exp. 3, 108 crossbred Yorkshire gilts were used to examine the effects of 0 or 200 ppb CrProp on iodine value, fatty acid profile of fat, growth, carcass traits, and pork quality from gilts fed tallow or choice white grease (CWG). Chromium decreased (P < 0.03) 10th rib back fat and increased (P < 0.02) percent muscle. Gain:feed was increased (P < 0.003) and ADFI decreased by fat addition. Fat increased hot carcass weight (P < 0.07) and dressing percent (P < 0.02). Average back fat, 9th rib CL, and total loss were decreased (P = 0.02 to 0.04) by tallow. Belly width was increased (P < 0.08) by tallow, but belly bending on both the teatline and scribe side were increased (P = 0.004 to 0.01) by CWG. Iodine values on belly and loin samples were increased (P < 0.001) by CWG. Overall, Cr affected BF and percent muscle and the inclusion of tallow decreased (P = 0.03 to 0.09) belly and loin iodine value further than CWG or no added fat.
Purification Of Lysozyme From Shell Liquor Of Eastern Oysters (Crassostrea Virginica) And Its Use In Antimicrobial Films To Preserve Smoked Fish, Shreya Datta
LSU Master's Theses
The objective of our study was to purify lysozyme from the fluid filling cavity (shell liquor) of the eastern oysters (Crassostrea virginica) and determine the antimicrobial activity of purified lysozyme against foodborne pathogens in smoked salmon samples. Oyster shell liquor was collected over four seasons namely summer 2003, fall 2003, winter 2004, and spring 2004. Spring season showed the highest lysozyme concentration. Lysozyme was purified from 300 liters of oyster shell liquor by a two-step ion exchange chromatography using SP- and CM- Sepharose Fast Flow columns, respectively. Two hundred five mg of pure lysozyme was obtained which represented a recovery …
The Effect Of Age And Sex On The Growth Patterns Of Bovine Cell Lines, Jeho Shin
The Effect Of Age And Sex On The Growth Patterns Of Bovine Cell Lines, Jeho Shin
LSU Master's Theses
The influence of donor animal sex or age on in vitro bovine cell culture was evaluated to provide foundation information for the selection of donor tissue for nuclear transfer. Skin biopsies were taken from each of sixteen individuals including four bulls (B), four cows (C), four male calves (MC), four female calves (FC). At passage 2, cells from in vitro culture of cell lines were influenced not by gender but by age in the mean cell generation time (MGT). When evaluating familial lineage, comparison between related and unrelated groups showed that most comparisons do not show significant differences in lag …
Evaluation Of Vetiver Oil And Alate Biology As Preventative Measures Against The Formosan Subterranean Termite, Coptotermes Formosanus Shiraki (Isoptera: Rhinotermitidae), Karen Elizabeth Nix
Evaluation Of Vetiver Oil And Alate Biology As Preventative Measures Against The Formosan Subterranean Termite, Coptotermes Formosanus Shiraki (Isoptera: Rhinotermitidae), Karen Elizabeth Nix
LSU Master's Theses
The Formosan subterranean termite, Coptotermes formosanus Shiraki, is responsible for over $1 billion in property damage, repairs, and control in the United States. Presently, control of this exotic pest depends mainly on chemical methods. There is an increasing interest in using natural products in pest control because of their low mammalian toxicity and environmental safety. Chemical components of the roots of vetiver grass, Vetiveria zizanioides (L.) Nash, have shown to be effective repellents and toxicants to Formosan subterranean termites. Objectives of this research were to evaluate: 1) vetiver grass root growth and its oil distribution; 2) vetiver oil, nootkatone, and …
Comparing Calf Sex Ratio And Semen Sex Ratio Determined By Conventional Pcr, Tara Marie Taylor
Comparing Calf Sex Ratio And Semen Sex Ratio Determined By Conventional Pcr, Tara Marie Taylor
LSU Master's Theses
Thirty-nine ejaculates from 8 Holstein bulls were collected. Straws of semen (n=750) were distributed among dairies in three states. Ten straws per ejaculate were sent to Louisiana State University (LSU) Dairy Improvement Center for conventional polymerase chain reaction (PCR) analysis. Spermatozoal DNA was extracted and PCR analysis was done using one primer set amplifying a single copy 125 base pair (bp) section of the Bos taurus factor IX (Christmas factor) precursor (found on the X chromosome) and another primer set amplifying a single copy section of the Bos taurus sex determining region Y protein (SRY) gene (found on the Y …
Ozone Degradation Of Off-Flavors In Catfish, Tameka Lashon Dew
Ozone Degradation Of Off-Flavors In Catfish, Tameka Lashon Dew
LSU Master's Theses
In the United States aquaculture is a billion dollar industry. Aquaculture is essentially the production of aquatic organisms under controlled conditions. Although conditions are controlled to a certain degree, absolute control is not possible. This reason alone is a huge problem that can cost the industry millions of dollars a year. In catfish, geosmin and 2-methylisoborneol are two compounds are primarily responsible for imparting a musty/earthy off-flavor. Off- flavors are secondary metabolites of some blue-green algae and actinomycete bacteria. When present in fish tissue they create an undesirable taste. Different approaches have been used in order to alleviate the problem …
Oxidation Of Sugarcane Bagasse Using A Combination Of Hypochlorite And Peroxide, Yong-Jae Lee
Oxidation Of Sugarcane Bagasse Using A Combination Of Hypochlorite And Peroxide, Yong-Jae Lee
LSU Master's Theses
Sugarcane bagasse is a source of lignocellulosic biomass. It is a potential renewable energy source for ethanol production. It is naturally cheap, plentiful and has high cellulose content. The sugarcane bagasse contains 34.5% cellulose, 24% hemicellulose, and 22-25% lignin. Reactive Oxygen Species (ROS), singlet oxygen (1O2), superoxide (O2-), hydroxyl radicals (OH?, and hypochlorite ion (OCl-), were found to remove both hemicellulose and lignin from sugarcane bagasse. Ox-B (Day. 2004, US Patent 6,866,870), a solution of sodium hypochlorite and hydrogen peroxide, was studied for its effectiveness as a pretreatment for lignocellulosic biomass. The cellulose structure of the bagasse was easily separated …
Evaluation Of Lutein And Protein In Ozone Treated Corn, Yu Wang
Evaluation Of Lutein And Protein In Ozone Treated Corn, Yu Wang
LSU Master's Theses
The present study was conducted to determine the influence of an ozonation process on lutein and protein in clean and contaminated corns. This study aimed (1) to determine the levels of antimutagenic compounds to aflatoxin in corn before and after ozonation; (2) to verify the antimutagenic potential of these compounds against aflatoxin using the Ames test; and (3) to evaluate proteins in the corn before and after ozonation. HPLC was used to separate and identify the lutein in corn. Nitrogen analysis and SDS-PAGE were used to analyze protein content and molecular weights in corn. Clean ozone-treated corn had a total …
Differences Between Targeted And Measured Body Weight Support With The Usage Of A Body Weight Support System, Robin Cropper
Differences Between Targeted And Measured Body Weight Support With The Usage Of A Body Weight Support System, Robin Cropper
LSU Master's Theses
The purpose of the study was to determine if the body weight support system (BWSS) maintains the targeted percentage of the subject's body weight support (BWS) during walking and to explore the relationship between unloading and ground reaction force. Sixteen healthy college students (mean age: 22 years old) were recruited as subjects. Tests were conducted using an instrumented treadmill with a BWSS. The BWSS harness was secured around the lower abdomen and pelvis of each subject for effective body weight support. Vertical ground reaction force was measured by force platforms embedded in the treadmill. A force sensor was attached to …
Antimicrobial Effect Of Cetylpyridinium Chloride Against Listeria Monocytogenes Growth On The Surface Of Raw And Cooked Shrimp, Tracie Michelle Dupard
Antimicrobial Effect Of Cetylpyridinium Chloride Against Listeria Monocytogenes Growth On The Surface Of Raw And Cooked Shrimp, Tracie Michelle Dupard
LSU Master's Theses
Listeria monocytogenes has emerged as a major foodborne pathogen for the seafood industry due to its psychrotrophic nature and its ubiquitous presence. It has been isolated from soil, sewage, dead vegetative matter, aquatic environments, fecal material, fish, crustaceans, and domesticated animals. As a result, L. monocytogenes has been responsible for several shrimp recalls and has been epidemiologically linked to human listeriosis. Fresh seafood products are highly perishable and their shelf-life is limited by microbiological spoilage. Therefore, when pathogenic microorganisms are involved, it poses a health threat to the general public. The situation is further complicated because seafood processing plants are …
Vinegar Fermentation, San Chiang Tan
Vinegar Fermentation, San Chiang Tan
LSU Master's Theses
Traditionally, the manufacture of vinegar provided a means of utilizing a large proportion of the cull fruit from apple-packing establishments and the waste from apple processing facilities. Most vinegar is now produced from distilled grain alcohol. Vinegar may be defined as a condiment made from various sugary and starchy materials by alcoholic and subsequent acetic fermentation. The vinegar bacteria, also called acetic acid bacteria, are members of the genus Acetobacter and characterized by their ability to convert ethyl alcohol (C2H5OH) into acetic acid (CH3CO2H) by oxidation. Vinegar can be produced from various raw materials like distilled alcohol, wine, rice wine …