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Research Tools And Their Uses For Determining The Thermal Inactivation Kinetics Of Salmonella In Low-Moisture Foods, Soon Kiat Lau 2020 University of Nebraska-Lincoln

Research Tools And Their Uses For Determining The Thermal Inactivation Kinetics Of Salmonella In Low-Moisture Foods, Soon Kiat Lau

Dissertations, Theses, & Student Research in Food Science and Technology

The reputation of low-moisture foods as safe foods has been crumbling over the past decade due to repeated involvement in foodborne illness outbreaks. Although various pasteurization technologies exist, a majority are thermal processes and have not been well-characterized for pasteurizing low-moisture foods. In addition, the nature of a low-moisture food matrix introduces various experimental complications that are not encountered in high-moisture foods. In this dissertation, the development, building instructions, and characterization of various open source tools for studying the inactivation kinetics of microorganisms in low-moisture foods are described. The first tool is the TDT Sandwich, a dry heating device for ...


Inspecting Species And Freshness Of Fish Fillets Using Multimode Hyperspectral Imaging Techniques, Jianwei Qin, Fartash Vasefi, Rosalee S. Hellberg, Alireza Akhbardeh, Rachel B. Isaacs, Ayse Gamze Yilmaz, Chansong Hwang, Insuck Baek, Walter F. Schmidt, Moon S. Kim 2020 USDA/ARS Environmental Microbial and Food Safety Laboratory

Inspecting Species And Freshness Of Fish Fillets Using Multimode Hyperspectral Imaging Techniques, Jianwei Qin, Fartash Vasefi, Rosalee S. Hellberg, Alireza Akhbardeh, Rachel B. Isaacs, Ayse Gamze Yilmaz, Chansong Hwang, Insuck Baek, Walter F. Schmidt, Moon S. Kim

Food Science Faculty Articles and Research

This study developed multimode hyperspectral imaging techniques to detect substitution and mislabeling of fish fillets. Line-scan hyperspectral images were collected from fish fillets in four modes, including reflectance in visible and nearinfrared (VNIR) region, fluorescence by 365 nm UV excitation, reflectance in short-wave infrared (SWIR) region, and Raman by 785 nm laser excitation. Fish fillets of six species (i.e., red snapper, vermilion snapper, Malabar snapper, summer flounder, white bass, and tilapia) were used for species differentiation and frozen-thawed red snapper fillets were used for freshness evaluation. A total of 24 machine learning classifiers were used for fish species and ...


The Role Of Diet In The Onset Of Depression: A Biochemical Connection Between Nutrition And Mental Health, Katlin Wildeman 2020 Liberty University

The Role Of Diet In The Onset Of Depression: A Biochemical Connection Between Nutrition And Mental Health, Katlin Wildeman

Senior Honors Theses

Depression is a major clinical concern, having a complex onset and the presence of multiple, often unidentifiable causes. Depression affects millions of individuals worldwide, with a high prevalence in regions of the world with a Western-style diet as compared to regions with a Mediterranean diet. A Western-style diet consists of foods high in sugar, fat, and processed meats and grains, whereas the Mediterranean diet contains significantly more vegetables, fruits, lean meats, and whole grains. The link between diet and mental health disorders has implications for individuals of all ages who are hesitant to turn to medication. In addition to presenting ...


Use Of Nitrite-Embedded Packaging Film For Color Stability Of Alternatively Cured, Fully Cooked Bologna, Michael S. Cropp, James S. Dickson, Rodrigo Tarté, Joseph G. Sebranek 2020 Iowa State University

Use Of Nitrite-Embedded Packaging Film For Color Stability Of Alternatively Cured, Fully Cooked Bologna, Michael S. Cropp, James S. Dickson, Rodrigo Tarté, Joseph G. Sebranek

Animal Science Publications

Nitrite-embedded packaging film was investigated for potential effects on the color stability of alternatively cured meats. The impact of nitrite-embedded film on color stability of large-diameter sandwich bologna was assessed over a 125-d lighted display period. Five treatments of large-diameter bologna were manufactured: (1) a conventionally cured control packaged with conventional film (“CON-CF”), (2) an alternatively cured formulation (cultured celery juice powder plus cherry powder) packaged with conventional film (“CJP-CF”), and (3) an alternatively cured formulation (cultured celery juice powder plus cherry powder) packaged with nitrite-embedded film (“CJP-NEF”). An additional alternatively cured formulation (4) Natpre T-10 EML Plus S was ...


Bean Preferences Vary By Acculturation Level Among Latinas And By Ethnicity With Non-Hispanic White Women, Michelle M. Heer, Donna M. Winham 2020 Iowa State University

Bean Preferences Vary By Acculturation Level Among Latinas And By Ethnicity With Non-Hispanic White Women, Michelle M. Heer, Donna M. Winham

Food Science and Human Nutrition Publications

With high levels of protein, fiber, folate, iron and other micronutrients, the Dietary Guidelines for Americans recommends eating beans for optimal nutrition. Low-income women are at greater risk of nutrition-related health disparities. Use of beans may change among Hispanic women (Latinas) during acculturation, but few studies exist that describe specific preferences of this important traditional food. Preserving or promoting beans in the diets of all low-income women could improve dietary quality. The study objectives were to describe consumption frequency, purchasing patterns, and attitudes toward dry and canned beans, by acculturation level among Latinas and by ethnicity with non-Hispanic White women ...


Detection Of Fish Fillet Substitution And Mislabeling Using Multimode Hyperspectral Imaging Techniques, Jianwei Qin, Fartash Vasefi, Rosalee S. Hellberg, Alireza Akhbardeh, Rachel B. Isaacs, Ayse Gamze Yilmaz, Chansong Hwang, Insuck Baek, Walter F. Schmidt, Moon S. Kim 2020 USDA/ARS Environmental Microbial and Food Safety Laboratory

Detection Of Fish Fillet Substitution And Mislabeling Using Multimode Hyperspectral Imaging Techniques, Jianwei Qin, Fartash Vasefi, Rosalee S. Hellberg, Alireza Akhbardeh, Rachel B. Isaacs, Ayse Gamze Yilmaz, Chansong Hwang, Insuck Baek, Walter F. Schmidt, Moon S. Kim

Food Science Faculty Articles and Research

Substitution of high-priced fish species with inexpensive alternatives and mislabeling frozen-thawed fish fillets as fresh are two important fraudulent practices of concern in the seafood industry. This study aimed to develop multimode hyperspectral imaging techniques to detect substitution and mislabeling of fish fillets. Line-scan hyperspectral images were acquired from fish fillets in four modes, including reflectance in visible and near-infrared (VNIR) region, fluorescence by 365 nm UV excitation, reflectance in short-wave infrared (SWIR) region, and Raman by 785 nm laser excitation. Fish fillets of six species (i.e., red snapper, vermilion snapper, Malabar snapper, summer flounder, white bass, and tilapia ...


Rs Content And Egi Value Of Cooked Noodles (I): Effect Of Cooking Methods, Yu Tian, Ming Li, Aoxing Tang, Jay-Lin Jane, Sushil Dhital, Boli Guo 2020 Ministry of Agriculture and Rural Affairs

Rs Content And Egi Value Of Cooked Noodles (I): Effect Of Cooking Methods, Yu Tian, Ming Li, Aoxing Tang, Jay-Lin Jane, Sushil Dhital, Boli Guo

Food Science and Human Nutrition Publications

Noodles are widely consumed in China, which can be cooked in different ways. The effects of different cooking methods (boiling, steaming, microwave heating, stir-frying and frying) on the resistance starch (RS) content and digestive properties (digestion rate, digestibility and estimated glycemic index (eGI) value) of noodles were investigated. The RS content was greatly affected by the cooking time, and it was varied when the noodles were optimally cooked using different cooking methods. The RS contents of the microwaved and stir-fried noodles were relatively high (0.59%–0.99%), but it was lower (0.43%–0.44%) in the boiled and ...


Pinto Beans And Green Beans Result In Comparable Glycemic Control In Adults With Type 2 Diabetes: A Randomized Pilot Trial, Andrea Hutchins, Donna M. Winham 2020 University of Colorado, Colorado Springs

Pinto Beans And Green Beans Result In Comparable Glycemic Control In Adults With Type 2 Diabetes: A Randomized Pilot Trial, Andrea Hutchins, Donna M. Winham

Food Science and Human Nutrition Publications

Aims: Glucose control is essential to slow disease progression in people with type 2 diabetes mellitus (T2DM). The acute effects of dry bean consumption on glucose control are well established, but their long-term effects in daily diets are less known.

Methods: The effect of daily consumption of ½ cup pinto beans, compared to ½ cup green beans, on fasting glucose, postprandial glucose and hemoglobin A1c (HbA1c) in adults with T2DM was examined. After a 2-week wash-in period, 13 participants were randomized to two 12-week long treatments: pinto beans and green beans. Before and after each intervention period, a fasted venous ...


Microplate Immunocapture Coupled With The 3m Molecular Detection System And Selective Plating For The Rapid Detection Of Salmonella Infantis In Dry Dog Food And Treats, Danielle K. Rosen, Miguel Gallardo, McClain Vail, Rosalee S. Hellberg 2020 Chapman University

Microplate Immunocapture Coupled With The 3m Molecular Detection System And Selective Plating For The Rapid Detection Of Salmonella Infantis In Dry Dog Food And Treats, Danielle K. Rosen, Miguel Gallardo, Mcclain Vail, Rosalee S. Hellberg

Food Science Faculty Articles and Research

The objective of this study was to use microplate immunocapture (IC) to reduce the enrichment time required for detection of Salmonella in pet food with the 3 M Molecular Detection System (MDS) or selective plating on XLD. Dog food and pig ear treats were inoculated with Salmonella Infantis at concentrations of 100–104 CFU/25 g, followed by a 3-h enrichment, then microplate IC and 3 M MDS or microplate IC and selective plating on XLD. Another set of samples underwent a traditional 24-h enrichment followed by 3 M MDS or selective plating. Based on the results of ...


Ferulic Acid Incorporated Active Films Based On Poly(Lactide) /Poly(Butylene Adipate-Co-Terephthalate) Blend For Food Packaging, Shubham Sharma, Amit Jaiswal, Brendan Duffy, Swarna Jaiswal 2020 Technological University Dublin

Ferulic Acid Incorporated Active Films Based On Poly(Lactide) /Poly(Butylene Adipate-Co-Terephthalate) Blend For Food Packaging, Shubham Sharma, Amit Jaiswal, Brendan Duffy, Swarna Jaiswal

Articles

Active natural antibacterial blend of poly(lactide) - poly(butylene adipate-co-terephthalate) (PLA-PBAT) incorporated with ferulic acid was formed by solvent casting method. The influences of FA on the structural, colour, optical, thermostability and antibacterial efficiency of PLA-PBAT blend films were studied. On the incorporation of the FA, the thickness of the film was increased by 1.5–10 %. The tensile strength (TS) of the FA incorporated blend film increased to a value of 10.78 MPa at 10 wt% as compared to the control film which has 5.42 MPa. The temperature of degradation of the film increases as the FA ...


Use Of Auctions To Assess Consumer Value For Fresh And End-Of-Code Milk, Molly Paterson, Stephanie Clark 2020 Johnsonville LLC

Use Of Auctions To Assess Consumer Value For Fresh And End-Of-Code Milk, Molly Paterson, Stephanie Clark

Food Science and Human Nutrition Publications

The objective of this study was to survey consumers' milk purchasing behavior and investigate the effect of sensory experiences and an educational message on the perceived value of fluid milk at the beginning and near the end of code. Eleven auction sessions were carried out (n = 100 consumers), which included an explanation of the experiment, a survey about demographics and milk purchasing and consumption, sensory evaluation, an educational message, and 3 rounds of nth price auctions. Consumers were blindly served 2 pairs of milk samples from white-pigmented high-density polyethylene [2% and skim milk within 2 to 3 d of ...


Growing Torula Yeast (Candida Utilis) For Food Grade Fatty Acids, Zachary Christman 2020 University of Nebraska - Lincoln

Growing Torula Yeast (Candida Utilis) For Food Grade Fatty Acids, Zachary Christman

Theses, Dissertations, and Student Research in Agronomy and Horticulture

The focus of this article is the cultivation of a food grade yeast for the production of fatty acids without the restrictions of climate or growing season. Torula yeast (Candida utilis) was selected since it can grow on a wide variety of culture media and has over 60 years of use in the food industry. The fatty acid composition of Candida utilis grown on two different media are presented in this article; the first example using completely synthetic media and another using distiller’s vinasse. Also, the effect of different culturing conditions on the percentage of various fatty acids will ...


Moisture Sorption Behavior And Shelf Life Prediction Of Teff Seed And Flour, Baba Abdissa, Rudrayya Math, Kodandaramreddy Desham, Srinivasulu Korra 2020 College of technology, Osmania University,Tarnaka, Hyderabad-500007, INDIA

Moisture Sorption Behavior And Shelf Life Prediction Of Teff Seed And Flour, Baba Abdissa, Rudrayya Math, Kodandaramreddy Desham, Srinivasulu Korra

Journal of Applied Packaging Research

Moisture sorption isotherms of Teff seed and its flour were determined over the range of relative humidity (11–92%) using a gravimetric technique at constant temperature (27°C). The results obtained showed that the moisture sorption isotherm of both is almost similar and sigmoid with increasing equilibrium water content at the constant temperature. The curves start raising high above 64% RH indicating the products deteriorates faster above 64% RH. Hence the moisture content equilibrating to 64% RH was taken as critical for both Teff seed and flour variants. The sorption isotherm fits the GAB equation as per GAB generalized equation ...


Labeling Compliance And Species Authentication Of Fish Fillets Sold At Grocery Stores In Southern California, Priscila Liou, Angela Banda, Rachel B. Isaacs, Rosalee S. Hellberg 2020 Chapman University

Labeling Compliance And Species Authentication Of Fish Fillets Sold At Grocery Stores In Southern California, Priscila Liou, Angela Banda, Rachel B. Isaacs, Rosalee S. Hellberg

Food Science Faculty Articles and Research

Seafood mislabeling has numerous consequences, including economic deception and food safety risks. The focus of this study was to investigate fish species labeling, use of acceptable market names, and Country of Origin Labeling (COOL) compliance for fresh fish fillets sold at grocery store seafood counters in Southern California. A total of 120 fillets representing 16 different categories of fish were collected from 30 Perishable Agricultural Commodities Act (PACA)-listed grocery stores. Each sample underwent DNA barcoding to identify the species. Acceptable market names were confirmed using the FDA Seafood List. Samples were determined to be compliant with COOL if both ...


Improving Bakery Properties In The Preparation Of Wheat Flour From Local Wheat Grains, RAVSHANOV Suvankul, KODIROV Оrifjon, RAMAZANOV Rozik, MUSAEV Khasanjon 2020 Tashkent Chemical-Technological Institute, Tashkent, Uzbekistan

Improving Bakery Properties In The Preparation Of Wheat Flour From Local Wheat Grains, Ravshanov Suvankul, Kodirov Оrifjon, Ramazanov Rozik, Musaev Khasanjon

CHEMISTRY AND CHEMICAL ENGINEERING

The article is devoted to the study of the physicochemical properties of water used to prepare wheat grain for sorting grinding. The physical and chemical properties of water for hydrothermal treatment, obtained from the vibrational effect of 10 Hz to 1000 Hz for 60 seconds in the and ultrasonic devices.


Cost Assessment Of Five Different Maize Grain Handling Techniques To Reduce Postharvest Losses From Insect Contamination, Bernard Darfour, Kurt A. Rosentrater 2020 Ghana Atomic Energy Commission

Cost Assessment Of Five Different Maize Grain Handling Techniques To Reduce Postharvest Losses From Insect Contamination, Bernard Darfour, Kurt A. Rosentrater

Agricultural and Biosystems Engineering Publications

Farmers in developing nations encounter high postharvest losses mainly attributable to the lack of modern techniques for threshing, cleaning, grading, and grain storage. Mechanized handling of grain in developing countries is rare, although the technology is effective against insects and pest infestations. The objective was to evaluate the cost-effectiveness of five grain handling techniques that have the ability to reduce postharvest losses from insect infestation. The five methods were metal silo plus all accessories (m. silo + acc.), metal silo only (m. silo), woven polypropylene plus phosphine (w. PP. + Phos.), woven polypropylene only (w. PP.), and Purdue Improved Crop Storage bags ...


Creating Bespoke Note By Note Dishes And Drinks Inspired By Traditional Foods, Roisin Burke, Pauline Danaher, David Hurley 2020 Technological University Dublin

Creating Bespoke Note By Note Dishes And Drinks Inspired By Traditional Foods, Roisin Burke, Pauline Danaher, David Hurley

Articles

No abstract provided.


Ecosystem Of Bagged Grain Stored Under Naturally Ventilated Warehouse: Analysis And Modelling, Michael Ayodele Omodara 2020 University of Kentucky

Ecosystem Of Bagged Grain Stored Under Naturally Ventilated Warehouse: Analysis And Modelling, Michael Ayodele Omodara

Theses and Dissertations--Biosystems and Agricultural Engineering

Grain in Africa and indeed most developing parts of the world are stored in polypropylene or jute bags arranged in stacks of varied dimensions in naturally ventilated warehouses. This practice is, however, associated with high postharvest losses due to poor temperature and moisture management during storage. This constitutes a major economic and food security challenge in these countries. Therefore, this study characterizes changes in moisture content and temperature occurring in a stack of bagged corn by determining the permeability of bag materials that influence moisture transfer and developing a mathematical model of heat and mass transfer which incorporates the unique ...


Physicochemical Characterization, Structural Determination, And Molecular Dynamic Modeling Of Proso Millet Proteins For Enhanced Food Functionality, Felix Akharume 2020 University of Kentucky

Physicochemical Characterization, Structural Determination, And Molecular Dynamic Modeling Of Proso Millet Proteins For Enhanced Food Functionality, Felix Akharume

Theses and Dissertations--Biosystems and Agricultural Engineering

More than one-third of Americans today incorporate plant-based protein into their diet and about 40% believed that plant-based protein is healthier than animal protein, especially Millennials. The increasing global demand for plant-based proteins driven by the high cost of animal proteins, consumers’ desire for lean protein, vegetarianism, and the need for more sustainable green protein products have necessitated research into alternate emerging and underutilized sources of protein to complement or supplement the major plant protein in the market- soy, pea, and gluten. Therefore, this dissertation is focused on the valorization of the proteins in proso millet. Specifically, this work focused ...


An Evaluation Of Sonication Pretreatment For Enhancing Saccharification Of Brewers’ Spent Grain, Shady Hassan, Rajeev Ravindran, Swarna Jaiswal, Brijesh K. Tiwari, Gwilym A. Williams 2020 Technological University Dublin

An Evaluation Of Sonication Pretreatment For Enhancing Saccharification Of Brewers’ Spent Grain, Shady Hassan, Rajeev Ravindran, Swarna Jaiswal, Brijesh K. Tiwari, Gwilym A. Williams

Articles

This paper deals with the investigation of ultrasound (US) pretreatment of brewer’s spent grain (BSG) as ameans of releasing fermentable sugars, and the subsequent production of ethanol from this lignocellu-losic biomass. Using response surface methodology (RSM), the influence of US power, time, temperatureand biomass loading on fermentable sugar yield from BSG was studied. The optimal conditions werefound to be 20% US power, 60 min, 26.3°C, and 17.3% w/v of biomass in water. Under these conditions,an approximate 2.1-fold increase in reducing sugar yield (325 ± 6 mg/g of biomass) was achieved, relativeto untreated BSG ...


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