Food Science Commons^™

Leds For Controlled Environment Agriculture: Leveraging Light To Optimize Crops, Tristan D. Sanders

Graduate Theses, Dissertations, and Problem Reports (ETD)

Indoor agriculture is a growing industry with many of its benefits being recognized. Light emitting diodes (LEDs) reduce production costs compared to traditional light sources. LEDs emit narrow bandwidths of light that allow growers to easily change the wavelengths plants are being grown under by using different combinations of wavelengths. Manipulating the light that plants are grown under is a method to change their physiology which is the basis of this thesis. The goal of the first two studies was to investigate how different light spectra can be used to enhance the nutrition content, growth, and morphology of kale and …

Influence Of Reduced Salt In Fully Cooked Ham And Sausage Cured With Natural Celery Powder On The Growth Of Listeria Monocytogenes At 4⁰C, Anne Sherod

Electronic Theses and Dissertations

This research evaluated the influence of reducing salt on outgrowth of L. monocytogenes on ready to eat (RTE) deli-style sliced ham cured with natural celery powder, fully cooked sausage links cured with traditional sodium nitrite and sausage links cured with natural celery powder, vacuum packaged and stored at 4⁰C on the outgrowth of L. monocytogenes. Experiment 1 evaluated L. monocytogenes outgrowth on ham over 153 days on the following treatments, current retail ham (HC) 2.0% salt; reduced salt 1 (HRS1) 1.5% salt; reduced salt 2 (HSR2) 1.35% salt; and reduced salt 2 without antimicrobials (HRS2WA) 1.35% salt without potassium lactate …

Crop Water Use And A Gravity Model Exploration Of Virtual Water Trade In Ghana's Cereal Agriculture, Alexander Sessi Kosi Tette, Golden Odey, Mirza Junaid Ahmad, Bashir Adelodun, Kyung-Sook Choi

Arusha Climate and Environmental Research Centre

Agricultural water productivity is crucial for sustainability amidst the escalating demand for food. Cereals are pivotal in providing nutritious food at affordable prices. This study was based on Ghanaian data spanning from 1992 to 2021 to evaluate water usage in the cultivation of major cereals. It also examined the virtual water losses or gains in cereal trade alongside influencing factors. The analysis utilized secondary data encompassing the virtual water content, production quantity, export and import quantities, distance, GDP per capita, population, and land per capita of Ghana and its 75 trade partners. In the last 5 years, crop water use …

Advancing Explainability In Multi-Label Classification For Tomato Disease Detection Using Machine Learning Interpretability Techniques, Md. Nurullah

Theses and Dissertations

Plant diseases pose a significant threat to global food security, affecting crop yield, quality, and overall agricultural productivity. Traditionally, diagnosing plant diseases has relied on timeconsuming visual inspections by experts, which can often lead to errors. With the rapid growth of technology, machine learning (ML) and artificial intelligence (AI) have opened new possibilities for automating this process. One of the most promising technologies for plant disease diagnosis is Convolutional Neural Networks (CNNs), which have proven effective in image classification tasks. Plant leaves, often exhibiting symptoms such as discoloration and irregular textures, serve as key indicators for disease detection. By processing …

Moab Local Food Guide 2024, Roslynn Mccann, Shiree Duncan

All Current Publications

Thank you for picking up this Moab Utah Local Food Guide. Those growing and producing food within a 100 mile radius from Moab have been included in this guide to help YOU make locally sourced purchasing decisions!

Effects Of Energy Drink Additives On Crayfish Metabolism, Katherine Paltz

Williams Honors College, Honors Research Projects

The effects of caffeine and additives commonly found in energy drinks were tested on crayfish to record changes, if any, in their metabolism. Three experimental groups were studied: 1. Caffeine; 2. Caffeine + Glucuronolactone; 3.) Caffeine + Glucuronolactone + Taurine. Caffeine is a common stimulant used to improve mental awareness, headaches, memory, and athletic performance. Glucuronolactone is connected with cardiovascular issues and aggressive behavior. Taurine is said to improve mood and focus. The experiment was performed at two different caffeine levels: 600mg and 1200mg for an initial 1 hour of exposure and 10 hours after exposure used as a pseudo-baseline. …

Natural And Artificial Selection Of Multiple Alleles Revealed Through Genomic Analyses, Jana Biová, Ivana Kaňovská, Yen On Chan, Manish Sridhar Immadi, Trupti Joshi, Kristin Bilyeu, Mária Škrabišová

Biomedical Sciences

Genome-to-phenome research in agriculture aims to improve crops through in silico predictions. Genome-wide association study (GWAS) is potent in identifying genomic loci that underlie important traits. As a statistical method, increasing the sample quantity, data quality, or diversity of the GWAS dataset positively impacts GWAS power. For more precise breeding, concrete candidate genes with exact functional variants must be discovered. Many post-GWAS methods have been developed to narrow down the associated genomic regions and, ideally, to predict candidate genes and causative mutations (CMs). Historical natural selection and breeding-related artificial selection both act to change the frequencies of different alleles of …

Conceptualizing Sustainability And Resilience In Value Chains In Times Of Multiple Crises—Notes On Agri-Food Chains, Alexander Follmann, Peter Dannenberg, Nina Baur, Boris Braun, Grit Walther, Amelie Bernzen, Jan Börner, Michael Brüntrup, Martin Franz, Emmanuel Sulle

Arusha Climate and Environmental Research Centre

Global and regional agri-food value chains feed societies and are an income source for hundreds of millions of farmers around the world. They are also target areas for action to achieve a global sustainability transformation. Agri-food chains are highly vulnerable in the context of multiple crises, including the global environmental crisis, geopolitical fragmentation, armed conflicts and wars, and the aftermath of the COVID-19 pandemic. Measures to increase chain resilience are widely discussed; however, some such measures contradict sustainability measures. While there has been considerable research on the sustainability and resilience of agri-food chains, few studies have integrated both perspectives or …

A Review Of Rattlesnake Venoms, Phuc Phan, Anant Deshwal, Tyler Anthony Mcmahon, Matthew Slikas, Elodie Andrews, Brian Becker, Thallapuranam Krishnaswamy Suresh Kumar

Chemistry & Biochemistry Faculty Publications and Presentations

Venom components are invaluable in biomedical research owing to their specificity and potency. Many of these components exist in two genera of rattlesnakes, Crotalus and Sistrurus, with high toxicity and proteolytic activity variation. This review focuses on venom components within rattlesnakes, and offers a comparison and itemized list of factors dictating venom composition, as well as presenting their known characteristics, activities, and significant applications in biosciences. There are 64 families and subfamilies of proteins present in Crotalus and Sistrurus venom. Snake venom serine proteases (SVSP), snake venom metalloproteases (SVMP), and phospholipases A2 (PLA2) are the standard components in Crotalus …

Upcycling Imperfect Broccoli And Carrots Into Healthy Snacks Using An Innovative 3d Food Printing Approach, Safoura Ahmadzadeh, Taylor Clary, Alex Rosales, Ali Ubeyitogullari

Food Science Faculty Publications and Presentations

Vegetables are healthy foods with nutritional benefits; however, nearly one-third of the world's vegetables are lost each year, and some of the losses happen due to the imperfect shape of the vegetables. In this study, imperfect vegetables (i.e., broccoli and carrots) were upcycled into freeze-dried powders to improve their shelf-life before they were formed into food inks for 3D printing. The rheology of the food inks, color analysis of the uncooked and cooked designs, and texture analysis of the cooked designs were determined. The inks with 50% and 75% vegetables provided the best printability and shape fidelity. 3D printing at …

Development And Characterization Of Transparent Soil Using Biodegradable Polysaccharides, Said Badshah

Electronic Theses and Dissertations

No abstract provided.

Anti-Listeria Of H2o2-Peroxyacetic Acid Anti-Listeria Efficacy Of A Hydrogen Peroxide-Peroxyacetic Acid Mixer In Bacterial Buffered Solution And On Bell Peppers, Peighton Denae Foster

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study aims to 1) evaluate the efficacy of H₂O₂-peroxyacetic acid (PAA) mixer to inactivate Listeria monocytogenes in 0.1% buffered-peptone-water; 2) evaluate the reduction and mitigation of cross-contamination on peppers. For the study-1, aliquots of 1.0-ml mixer solutions (0.25, 0.50 and 0.84%) were added to the first 3-well of 8-strip-deep-well microplates. Then, the 0.1 ml of 10-fold dilution the Nalidixic-acid-resistant (NaL) L. monocytogenes was added and mixed immediately with a multichannel pipette. After exposure for 0, 5, 15, 30, and up to 120-s, 1 ml of 2×D/E neutralized solution was added to terminate the reaction followed …

Effects Of Storage Regimes On Chemistry, Functional Properties, And Vitamin Profile Of Different Varieties Of Chickpea, Shirin Kazemzadeh Pournaki

Electronic Theses and Dissertations

Chickpea (cicer arietinum) samples from five distinct varieties (crown, royal, orion, sierra, and frontier) were subjected to varying storage conditions to investigate the impact of temperature and relative humidity (rh) on their chemical, functional, physical properties, and vitamin b profile. over 360 days, samples were stored at two temperatures (21°c and 40°c) and three rh levels (40%, 55%, 65%), with collections made every 90 days. initial observations focused on key chemical properties including moisture, protein, fat, and total starch content. subsequently, protein and starch fractions were isolated for further analysis, employing techniques such as sodium dodecyl sulfate-polyacrylamide gel electrophoresis (sds-page) …

From Grain To Malt: Tracking Changes Of Ultra-Low-Gluten Barley Storage Proteins After Malting, Mahya Bahmani, Angéla Juhász, Utpal Bos, Mitchell G. Nye-Wood, Malcolm Blundell, Crispin A. Howitt, Michelle L. Colgrave

Research outputs 2022 to 2026

Barley (Hordeum vulgare L.) is a major cereal crop produced globally. Hordeins, the major storage proteins in barley, can trigger immune responses leading to celiac disease or symptoms associated with food allergy. Here, proteomics approaches were employed to investigate the proteome level changes of grain and malt from the malting barley cultivar, Sloop, and single-, double- and triple hordein-reduced lines. The triple hordein-reduced line is an ultra-low gluten barley cultivar, Kebari®. Using discovery proteomics, 2,688 and 3,034 proteins in the barley and malt samples were detected respectively. Through the application of targeted proteomics, a significant reduction in the quantity …

Review Of Detection Limits For Various Techniques For Bacterial Detection In Food Samples, Xinyi Zhao Nanolab Research Centre, Abhijnan Bhat, Christine O’Connor School Of Food Science And Environmental Health, James Curtin Faculty Of Engineering And Built Environment, Baljit Singh, Micra Biodiagnostics Technology Gateway And Health, Engineering & Materials Sciences (Hems) Research Hub, Furong Tian Nanolab Research Centre

Articles

Foodborne illnesses can be infectious and dangerous, and most of them are caused by bacteria. Some common food-related bacteria species exist widely in nature and pose a serious threat to both humans and animals; they can cause poisoning, diseases, disabilities and even death. Rapid, reliable and cost-effective methods for bacterial detection are of paramount importance in food safety and environmental monitoring. Polymerase chain reaction (PCR), lateral flow immunochromatographic assay (LFIA) and electrochemical methods have been widely used in food safety and environmental monitoring. In this paper, the recent developments (2013–2023) covering PCR, LFIA and electrochemical methods for various bacterial species …

Salmonella Detection In Food Using A Hek-Htlr5 Reported Cell-Based Sensor, Esma Eser, Victoria A. Felton, Rishi Drolia, Arun K. Bhunia

Biological Sciences Faculty Publications

The development of a rapid, sensitive, specific method for detecting foodborne pathogens is paramount for supplying safe food to enhance public health safety. Despite the significant improvement in pathogen detection methods, key issues are still associated with rapid methods, such as distinguishing living cells from dead, the pathogenic potential or health risk of the analyte at the time of consumption, the detection limit, and the sample-to-result. Mammalian cell-based assays analyze pathogens’ interaction with host cells and are responsive only to live pathogens or active toxins. In this study, a human embryonic kidney (HEK293) cell line expressing Toll-Like Receptor 5 (TLR-5) …

Flavor Extraction From Dried Lavender Flower Lavandula Angustifolia By Enfleurage Method And Its Application In Pasteurized Milk, Techin Chantarachai

Chulalongkorn University Theses and Dissertations (Chula ETD)

Enfleurage is a technique that uses fat or oil as an adsorbent to extract essential oils and aromas from flowers. In this study, butter was used to adsorb the aroma from dried lavender flowers (Lavandula angustifolia). The aim of the study was to determine the optimal conditions for extracting the aroma from lavender flowers using the response surface methodology (RSM). The effects of temperature (40–65°C), extraction time (20–70 min), and the ratio of dried lavender flowers (15–27.6 g) to butter (200 g) on the linalool content and aroma liking scores were investigated. The study found that the optimal conditions were …

Effect Of Non-Thermal Plasma On Postharvest Quality Of Tomato, Aishwarya Pant

Chulalongkorn University Theses and Dissertations (Chula ETD)

Microbial attack is a major factor in fruit and vegetable deterioration. One non-thermal method that has shown promise in overcoming these limitations is cold plasma (CP) technology. This study evaluates the impact of dielectric barrier discharge (DBD) cold plasma treatment on the quality, shelf life, and disease incidence of tomatoes. This study was conducted in two stages in this research. Using argon as the working gas, tomatoes were subjected to CP treatment in the first stage for varied power levels (5–20 kV) and times (1–10 minutes). Over a 72-day period, non-destructive studies were conducted to determine disease incidence, marketability, and …

An Overview Of The Relationships Between The Food Industry And Nanotechnology, Mehdi Koushki, Nasrin Amiri-Dashatan, Hossein Pourghadamyari, Hadi Khodabandehloo, Fatemeh Bagheri, Masoumeh Farahani, Lobat Tayebi

Electrical & Computer Engineering Faculty Publications

Background and Objective: Due to the growth of the global population, food demands are increasing. Hence, the need to develop more efficient methods for producing better quality, safer, and more sustainable food seems essential. In the past decades, the use of nanoscale materials has increased greatly due to the unique chemical, physical, and biological characteristics of nanomaterials compared to bulk materials. This research presents nanotechnology role in improving sensorial properties (taste, appearance, and texture) and safety aspects as well as processing and packaging of foods. The use of nano-omics-based technologies and artificial intelligence-nanotechnology-based technologies in the food industry is also …

Reducing Food Scarcity: The Benefits Of Urban Farming, S.A. Claudell, Emilio Mejia

Journal of Nonprofit Innovation

Urban farming can enhance the lives of communities and help reduce food scarcity. This paper presents a conceptual prototype of an efficient urban farming community that can be scaled for a single apartment building or an entire community across all global geoeconomics regions, including densely populated cities and rural, developing towns and communities. When deployed in coordination with smart crop choices, local farm support, and efficient transportation then the result isn’t just sustainability, but also increasing fresh produce accessibility, optimizing nutritional value, eliminating the use of ‘forever chemicals’, reducing transportation costs, and fostering global environmental benefits.

Imagine Doris, who is …

A Vision For A Food-Secure Future Through Permaculture, Jim Gale

Journal of Nonprofit Innovation

In response to the pressing challenges of food security, sustainability, and resilience, Food Forest Abundance, led by visionary CEO Jim Gale, emerges as a beacon for permaculture-based agriculture and community development. This editorial explores the organization's pivotal role in advocating for a future where individuals, families, and communities thrive through sustainable practices and localized food systems. Central to Food Forest Abundance mission is the conviction that permaculture principles can revolutionize our approach to food security, health, and wellness by uniting agricultural and community leaders.

The catalyst for this movement was the World Farmers Market Coalition report, revealing the tangible economic, …

Food Additive Evidence In Food Supplements Most Commonly Consumed By Cancer Patients, Safa Mazouzi, Samira Djekoun Bensoltane, Sabiha Bouzbid, Nesrine Adjabi

Journal of Bioresource Management

The goal of this research is to highlight food additives in the formulations of food supplements consumed by cancer patients. It is a survey conducted at the Cancer treatment center in Annaba to collect a list of food supplements used by these patients. Following a screening of their ingredients for incorporated food additives, which we then classified according to the degree of toxicity, these supplements were classified according to their origin (local or imported). Our findings show that these various groups of dietary supplements contain a variety of food additives with varying degrees of toxicity, such as colorants (E422), acidity …

Evaluating Microbial Contamination Of Bakeries, Wheat Flour In Ghaemshahr, Iran, Reyhaneh Gouran, Nazanin Khakipour

Journal of Bioresource Management

Although flour is regarded as a safe product from the perspective of microbiology due to its low water activity, it can be a suitable environment for the growth of microorganisms if suitable conditions are provided for their growth and reproduction. The objective of this study was to examine the microbial quality of 82 % and 78 % flours distributed in 5 bakeries in the city of Ghaemshahr. The evaluation of the results of the physicochemical tests on the samples revealed that sample No.5's moisture content (82 % of the flour sample from the bakery E) was significantly higher than other …

Purification And Comparison Of Enzymatic Properties Of Endogenous Transglutaminase Between Silver Carp And Black Carp, Yi Lin, An Yueqi, Liu Ru, Hu Yang, Xiong Shanbai

Food and Machinery

Objective: This study aimed to investigate the differences in enzymatic properties of endogenous transglutaminase （TGase） in silver carp and black carp. Methods: STG and BTG were purified from the muscle of silver carp and black carp, respectively, by 80% ammonium sulfate precipitation, Q-Sepharose FF, and Sephacryl S-200 HR chromatographies. Two enzymes were analyzed for relative molecular weights, peptide sequences, secondary structures, optimal reaction conditions, and thermal inactivation kinetics. Results: The purified STG and BTG showed similar relative molecular weights, of which the enzyme activities were 14.34 U/mg and 12.67 U/mg, respectively. Both enzymes showed differences in peptide sequences. The secondary …

Screening And Identification Of Bifidobacterium Longum From Maternal Milk And Its Domestication Of Oxygen-Domestication, Zhang Feng, Hou Xinyue, Guo Liqiong, Liu Chunhua, Lin Junfang

Food and Machinery

Objective: To screen Bifidobacterium from breast milk and improve its oxygen tolerance under aerobic conditions. Methods: Dilution and spread plate methods were performed to separate and screen Bifidobacterium from breast milk. Their Bifidobacterium identifications were characterized by 16S rDNA sequencing. The oxygen tolerant domestications were conducted through gradual increase of oxygen pressure and alternation of aerobic and anaerobic cultivations. Results: A novel Bifidobacterium strain was isolated from human milk and was identified as Bifidobacterium longum by 16S rDNA sequencing, which was named as MEFZ-2201. The homology between MEFZ-2201 and model strain (accession number in NCBI: ON631733.1) reached 100%. After oxygen …

Effect Of Different Processing Temperature On Texture Profile And Flavor Of The Edible Bird's Nest, Shang Kexin, Qiu Shuang, Zhang Lan, Cheng Xiangrong, Wang Dongliang

Food and Machinery

Objective: This study aimed to investigate the effects of different processing temperature on texture profile and flavor of dried edible bird's nest. Methods: With dried edible bird's nest as the main raw material, the texture profile analysis of edible bird's nest at different processing temperature was carried out by physical property analyzer. The volatile components of edible bird's nest at different processing temperature were determined by electronic nose and solid phase microextraction gas chromatography-mass spectrometry (SPME-GC-MS). Results: It was found that the adhesion of cooked edible bird's nest decreased significantly (P<0.01), but its resilience increased significantly (P<0.05) with the increase of temperature. 12 kinds of effective flavor substances were detected in the cooked edible bird's nest by SPME-GC-MS, including: 3 alcohols, 2 aldehydes, 2 esters, 3 ketones, 1 acid, and 1 ether, accounting for 6.23%, 49.34%, and 54.85% of the total detected substances in the cooked edible bird's nest at 95 ℃, 105 ℃ and 115 ℃, respectively. Conclusion: Different processing temperature affects the taste of edible bird's nest and the overall odor profile after processing. Moreover, higher cooking temperature tends to make the egg white-like flavor stronger. The volatile substances in the bird's nest stew at 95 ℃ are mainly acids, the bird's nest cooked at 105 ℃ mainly produces alcohols, and the edible bird's nest cooked at 115 ℃ mainly produces ketones and alcohols.

Analysis Of Volatile Flavor Components And Characteristics Of Dough Fermented With Flavor Fermentation Liquid, Zhang Yanmei, Zhu Yuchang, Yang Dandan, Pan Xufang, Bai Hui, Zhou Dazhai

Food and Machinery

Objective: This study aimed to investigate the varieties and contents of volatile components in fermented dough with flavor fermentation broth at different fermentation time. Methods: Headspace solid phase microextraction-gas chromatography (HS-SPME-GC-MS) was used to determine the volatile flavor substances in the dough of the flavor ferment at 12, 24, 36, 48 and 72 h. Also, sensory evaluation of the odor and determination of pH value, total acidity (TAA) and rheological properties of the dough were measured. Results: The strength of eight odors (frankincense, cheese, flower, fruit sweet, wine, malt, grass and sour) showed different performance, depending on the types and …

Effects Of Thawing Methods On The Quality, Physicochemical Properties And Microstructure Of Pork, Wang Li, Chen Wei, Wang Yuanliang, Li Zhongjun, Xia Di

Food and Machinery

Objective: To investigate the best defrosting method for frozen pork. Methods: Investigated the effects of three thawing methods, namely low-frequency electric field thawing, air thawing and hydrostatic thawing, on the juice loss rate, moisture content, water holding capacity, pH, colour difference, volatile saline nitrogen, total bacterial colony, textural characteristics, fat oxidation and protein oxidation of pork after thawing. Results: The low frequency electric field thawing resulted lower juice loss (1.09%), shear force (2 600.15 N), increase in thiobarbituric acid value (TBARS) (62.50%), good colour, pH close to that of fresh meat, less protein oxidation, richer taste material, less damage to …

Spin-Flash Drying Characteristics And Kinetic Model Of Antarctic Krill, Tan Jiayu, Ouyang Jie, Ma Tiantian, Shen Jia

Food and Machinery

Objective: The purpose of this study was to investigate the drying characteristics and establish the kinetic model of Antarctic krill during spin-flash drying. The drying experiments were carried out at 120 ℃ to 180 ℃. Methods: Six common thin-layer drying models were selected to fit the experimental data. Further, the equations of drying model constant and temperature were established to obtain the model expression and validate the optimal drying model. The effective moisture diffusion coefficients were calculated by Fick's second law. Results: The results showed the drying temperature had a significant effect on drying thermal efficiency and drying rate. The …

Preparation Of Matrix Reference Material For Carbaryl Residues In Chinese Yam Flour, Huo Siyu, Gen Xuhao, Yu Libo, Chen Dongdong, Peng Tao

Food and Machinery

Objective: This study aimed to establish a method for the Preparation of matrix reference material for carbaryl residues in Chinese yam flour. Methods: Yam powder containing menafyl was prepared by homogenized, freeze-dried, ground, sifted, mixed and packaged. A liquid chromatography-series mass spectrometer was used for detection, and the isotope internal standard curve method was used for quantification. Through the process of equalization stability evaluation, cooperative setting and uncertainty evaluation, the matrix reference material of the expected yam powder was obtained. Results: The property value and expanded uncertainty of carbaryl was (1.04±0.10) mg/kg (k=2). Conclusion: It could be used …