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A Comparative Life Cycle Assessment Of Nutritionally Equivalent Meals With And Without Pork, Kelli Young 2017 University of Arkansas, Fayetteville

A Comparative Life Cycle Assessment Of Nutritionally Equivalent Meals With And Without Pork, Kelli Young

Theses and Dissertations

The following report details a life cycle assessment of several dietary and meal scenarios with and without pork. The goal of the LCA was to identify the impacts of greenhouse gas emissions, water use, and land use of pork containing and porkless diets and meal plans in a field-to-fork analysis. The dietary and meal plan scenarios are iso-caloric meaning they contain the same number of calories. The first set of diets is based on a USDA consumption pattern, 2000 kcal per day. This diet was used to create three other dietary scenarios with and without pork. The USDA recommended food ...


Characterization And Mechanisms Of Anthocyanin Degradation And Stabilization, Nathan Blaine Stebbins 2017 University of Arkansas, Fayetteville

Characterization And Mechanisms Of Anthocyanin Degradation And Stabilization, Nathan Blaine Stebbins

Theses and Dissertations

Anthocyanins (ACYs) are polyphenol compounds found in nature, which contribute vivid colors to many fruits and vegetables, while also possessing significant health benefits. These pigments range in color from orange-red to blue-violet and could serve as natural colorants to replace artificial additives. There is a great demand from consumers to have fewer artificial compounds in their foods. However, the relatively instability of ACYs must be further understood in order to limit color degradation before they can completely replace synthetic colorants.

ACYs slowly degrade over time, but there is a knowledge gap on their fate and mechanisms causing degradation. In order ...


Snap, Crackle, Crunch: For This Team Of Food Visionaries, Insects Are The Key To Feeding The World, Susan Abram 2017 Colby College

Snap, Crackle, Crunch: For This Team Of Food Visionaries, Insects Are The Key To Feeding The World, Susan Abram

Colby Magazine

For most people, a cricket's chirp is the song of summer. But for a multidisciplinary team of Colby alumni, the uninhibited chorus that comes from the insects marks a leap towards the future of sustainable food systems.


Method For Sampling And Analysis Of Volatile Biomarkers In Process Gas From Aerobic Digestion Of Poultry Carcasses Using Time-Weighted Average Spme And Gc–Ms, Jacek A. Koziel, Lam T. Nguyen, Thomas D. Glanville, Heekwon Ahn, Timothy S. Frana, J. (Hans) van Leeuwen 2017 Iowa State University

Method For Sampling And Analysis Of Volatile Biomarkers In Process Gas From Aerobic Digestion Of Poultry Carcasses Using Time-Weighted Average Spme And Gc–Ms, Jacek A. Koziel, Lam T. Nguyen, Thomas D. Glanville, Heekwon Ahn, Timothy S. Frana, J. (Hans) Van Leeuwen

Agricultural and Biosystems Engineering Publications

A passive sampling method, using retracted solid-phase microextraction (SPME) – gas chromatography–mass spectrometry and time-weighted averaging, was developed and validated for tracking marker volatile organic compounds (VOCs) emitted during aerobic digestion of biohazardous animal tissue. The retracted SPME configuration protects the fragile fiber from buffeting by the process gas stream, and it requires less equipment and is potentially more biosecure than conventional active sampling methods. VOC concentrations predicted via a model based on Fick’s first law of diffusion were within 6.6–12.3% of experimentally controlled values after accounting for VOC adsorption to the SPME fiber housing. Method ...


Effect Of Tio2 Nanoparticles On Thermo-Mechanical Properties Of Cast Zein Protein Films, Dattatreya M. Kadam, Mahendra Thunga, Gowrishanker Srinivasan, Sheng Wang, Michael R. Kessler, David A. Grewell, Chenxu Yu, Buddhi P. Lamsal 2017 Iowa State University

Effect Of Tio2 Nanoparticles On Thermo-Mechanical Properties Of Cast Zein Protein Films, Dattatreya M. Kadam, Mahendra Thunga, Gowrishanker Srinivasan, Sheng Wang, Michael R. Kessler, David A. Grewell, Chenxu Yu, Buddhi P. Lamsal

Food Science and Human Nutrition Publications

Zein protein (ZP) films embedded with core-and-shell nanoparticles, with titanium dioxide as core and silica as shell (TiO2@@SiO2), were prepared by solution-casting method for its effect on mechanical properties. ZP (>90% protein) at 1.5% w/w was prepared in aqueous ethanol solution with addition of TiO2@@SiO2 nanoparticles and sonicated at 0, 16, 80 and 160 μm amplitudes prior to casting on leveled glass plates or petri dishes. The physical and mechanical properties of prepared films were characterized. Storage modulus below the glass transition temperature Tg (∼40 °C) decreased after sonication at all levels. Multiple peaks for DSC ...


Adapting To The Changing World Of Biotechnology: Syngenta Ag Mir162 Corn Litigation As Regulation By Litigation, Paul Goeringer 2017 Texas A&M University School of Law

Adapting To The Changing World Of Biotechnology: Syngenta Ag Mir162 Corn Litigation As Regulation By Litigation, Paul Goeringer

Texas A&M Law Review

Agriculture has relied on plant breeding to improve genetics since the first domestication of agricultural plants 10,000 years ago. More recently, Gregor Mendel and his hybridization experiments on peas led to what we know as modern genetics. The rise in recombinantDNA technology has opened up many possibilities in plant breeding, including Roundup Ready technology and crop varieties designed to resist a number of pests. At the same time, governments and the private sector have sought to institute regulations for handling the releases of new biotechnology to ensure the technologies will have limited environmental impacts and provide safe foods to ...


The Gmo/Ge Debate, Joanna K. Sax 2017 Texas A&M University School of Law

The Gmo/Ge Debate, Joanna K. Sax

Texas A&M Law Review

We live longer and healthier lives because advances in science create easier and better ways to sustain and survive. Society has an intricate relationship with biotechnology. Vaccines save lives. Fluoridated water decreases dental issues. Antibiotics treat bacterial infections. Nuclear power is a form of clean energy. With any emerging technology, the benefits do not exist in a vacuum, thus, negative consequences result as well. Our widespread uses of antibiotics are creating antibiotic-resistant strains of bacteria. Our research into nuclear energy also facilitated the creation of nuclear bombs. Perhaps it is human nature to use scientific advances for good and for ...


Recognizing Challenges And Opportunities In The Quest To End Hunger, Jennifer Williams Zwagerman 2017 Texas A&M University School of Law

Recognizing Challenges And Opportunities In The Quest To End Hunger, Jennifer Williams Zwagerman

Texas A&M Law Review

As an attorney and professor that does not focus on intellectual property law, I was a bit apprehensive about providing a keynote address for a Symposium focusing on “Agriculture, Intellectual Property, and Feeding the World in the 21st Century.” As I thought about this topic, knowing that there were other speakers who would focus more on the IP issues and technical aspects of various topics, I kept coming back to the importance of technology as we worktowards the goal of feeding the world, and the many ways in which innovation plays a role in meeting that goal. It also brought ...


Application Of X-Ray Imaging As A Technique For Fissure Detection In Rough Rice Kernels, Zephania R. Odek 2017 University of Arkansas, Fayetteville

Application Of X-Ray Imaging As A Technique For Fissure Detection In Rough Rice Kernels, Zephania R. Odek

Theses and Dissertations

Fissured rice kernels break during milling, leading to head rice yield (HRY) reductions. Conventional fissure detection instruments cannot be used to observe fissures in rough rice kernels, the form in which rice in normally dried and stored. X-rays can penetrate hulls allowing visualization of the internal structure of a rough rice kernel. This study evaluated the capability of X-ray imaging to adequately detect fissures in rough rice and established a correlation between HRY and the fissured kernel percentage (FKP) in a rough rice sample. Fifteen long-grain rice cultivars, harvested in Arkansas in 2015 and 2016 were dried using heated air ...


Formulation, Characterisation And Stability Assessment Of A Food Derived 1 Tripeptide, Leucine-Lysine-Proline Loaded Chitosan Nanoparticles, M.K. Danish, Giuliana Vozza, Hugh Byrne, Jesus Frias, Sinead Ryan 2017 Dublin Institute of Technology

Formulation, Characterisation And Stability Assessment Of A Food Derived 1 Tripeptide, Leucine-Lysine-Proline Loaded Chitosan Nanoparticles, M.K. Danish, Giuliana Vozza, Hugh Byrne, Jesus Frias, Sinead Ryan

Articles

The chicken or fish derived tripeptide, Leucine-Lysine-Proline (LKP), inhibits the Angiotensin Converting Enzyme and may be used as an alternative treatment for pre-hypertension. However, it has low permeation across the small intestine. The formulation of LKP into a nanoparticle (NP) has the potential to address this issue. LKP-loaded NPs were produced using an ionotropic gelation technique, using chitosan (CL113). Following optimisation of unloaded NPs, a mixture amount design was constructed using variable concentration of CL113 and tripolyphosphate at a fixed LKP concentration. Resultant particle sizes ranged from 120-271 nm, zeta potential values from 29-37 mV and polydispersity values from 0 ...


Weird Science: Frankenstein Foods And States As Laboratories Of Democracy, Jennifer McGee 2017 Cleveland-Marshall College of Law, Cleveland State University

Weird Science: Frankenstein Foods And States As Laboratories Of Democracy, Jennifer Mcgee

Journal of Law and Health

The National Bioengineered Food Disclosure Standard (the 'National Standard') was signed into law July 29, 2016. This Article analyzes the National Standard and posits that Vermont’s Act 120 was a more effective labeling law because it safeguarded consumer sovereignty. The State regulatory scheme in place prior to the passage of the National Standard satisfied consumer demand for disclosure while allowing for necessary experimentation with GMO labeling. Part I provides an overview of the current federal scheme regulating GMOs. Part II analyzes of the conflict surrounding GMOs and labeling. Given that analysis, Part III compares the disclosure requirement of the ...


The Recovery Of Protein From Egg Yolk Protein Extraction Granule Byprouct, Irene Jennifer Kaufman 2017 California Polytechnic State University, San Luis Obispo

The Recovery Of Protein From Egg Yolk Protein Extraction Granule Byprouct, Irene Jennifer Kaufman

Master's Theses and Project Reports

In addition to proving an excellent source of nutrients, eggs are used in the food, cosmetic, and biotechnology industries for their rheological and bioactive properties. Much of the potential for the added value is in individual components of the egg, rather than the whole egg. At low speed centrifugation, yolk separates into two distinct fractions—granules and plasma. It is becoming increasingly popular in the industry to remove the plasma fraction of the egg yolk to use for its livetins, particularly immunoglobulin Y, leaving behind a granule by-product (“yellow cake”). Previous research has shown potential added-value from the granule fraction ...


Postharvest Quality And Physiology Of ‘Fuji’ Apples Subjected To Phytosanitary Irradiation, Nasim Kheshti, Alan Baquero, Anderson Melo, Anuradha Prakash 2017 Chapman University

Postharvest Quality And Physiology Of ‘Fuji’ Apples Subjected To Phytosanitary Irradiation, Nasim Kheshti, Alan Baquero, Anderson Melo, Anuradha Prakash

Student Scholar Symposium Abstracts and Posters

Irradiation is an effective treatment to sterilize and destroy insect pests on fresh fruit. It serves as an alternative to cold treatment and to fumigation which are time consuming and ozone depleting, respectively. In this study, the postharvest quality of Fuji apples was evaluated after irradiation at 400 Gy and 800 Gy. The quality of the apples which were stored at 1˚C for 7 days to mimic ground transportation and distribution and then at ambient temperature for another 7 days to mimic retail storage and consumer use, was assessed. Irradiation caused an immediate decrease in firmness by 12% at ...


Identification Of Meat And Poultry Species In Food Products Using Dna Barcoding, Rosalee S. Hellberg, Brenda C. Hernandez, Eduardo L. Hernandez 2017 Chapman University

Identification Of Meat And Poultry Species In Food Products Using Dna Barcoding, Rosalee S. Hellberg, Brenda C. Hernandez, Eduardo L. Hernandez

Food Science Faculty Articles and Research

DNA barcoding is a promising method for the sequencing-based identification of meat and poultry species in food products. However, DNA degradation during processing may limit recovery of the full-length DNA barcode from these foods. The objective of this study was to investigate the ability of DNA barcoding to identify species in meat and poultry products and to compare the results of full-length barcoding (658 bp) and mini-barcoding (127 bp). Sixty meat and poultry products were collected for this study, including deli meats, ground meats, dried meats, and canned meats. Each sample underwent full and mini-barcoding of the cytochrome c oxidase ...


Towards The Development Of A Sustainable Soya Bean-Based Feedstock For Aquaculture, Hyunwoo Park, Steven Weier, Fareha Razvi, Pamela A. Peña, Neil A. Sims, Jennica Lowell, Cory Hungate, Karma Kissinger, Gavin Key, Paul Fraser, Jonathan Napier, Edgar B. Cahoon, Thomas Clemente 2017 University of Nebraska-Lincoln

Towards The Development Of A Sustainable Soya Bean-Based Feedstock For Aquaculture, Hyunwoo Park, Steven Weier, Fareha Razvi, Pamela A. Peña, Neil A. Sims, Jennica Lowell, Cory Hungate, Karma Kissinger, Gavin Key, Paul Fraser, Jonathan Napier, Edgar B. Cahoon, Thomas Clemente

Faculty Publications from the Center for Plant Science Innovation

Soya bean (Glycine max (L.) Merr.) is sought after for both its oil and protein components. Genetic approaches to add value to either component are ongoing efforts in soya bean breeding and molecular biology programmes. The former is the primary vegetable oil consumed in the world. Hence, its primary usage is in direct human consumption. As a means to increase its utility in feed applications, thereby expanding the market of soya bean coproducts, we investigated the simultaneous displacement of marine ingredients in aquafeeds with soya bean-based protein and a high Omega-3 fatty acid soya bean oil, enriched with alpha-linolenic and ...


Letter From The Dean, Lona Robertson 2017 University of Arkansas, Fayetteville

Letter From The Dean, Lona Robertson

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Methylglyoxal Influences Development Of Caenorhabditis Elegans Via Heterochronic Pathway, jiaying wang 2017 University of Massachusetts Amherst

Methylglyoxal Influences Development Of Caenorhabditis Elegans Via Heterochronic Pathway, Jiaying Wang

Masters Theses

Methylglyoxal is a highly reactive dicarbonyl compound, which is widely distributed in food products and beverages, and is particularly high in Manuka honey. In addition to its antibacterial effects, methylglyoxal is also known as a major precursor of advanced glycation end products (AGEs), that produces altered macromolecules (such as proteins and DNA), leading to abnormal physiological changes. However, the effects of methylglyoxal on development is unclear. Thus, this study aimed to determine the role of methylglyoxal in this aspect using Caenorhabditis elegans (C. elegans). Treatment of methylglyoxal at 0.1 mM and 1 mM for 48 h significantly inhibited development ...


Epigallocatechin-3-Gallate Reduces Fat Accumulation In Caenorhabditis Elegans, jinning liu 2017 University of Massachusetts Amherst

Epigallocatechin-3-Gallate Reduces Fat Accumulation In Caenorhabditis Elegans, Jinning Liu

Masters Theses

Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is a polyphenol that is most abundant in tea. It has been shown from many studies that consumption of EGCG can contribute to weight loss, however, the underlying mechanism is not fully understood. To determine how EGCG acts to reduce fat, an organism model Caenorhabditis elegans (C. elegans) is introduced, which is a useful animal system in exploring crucial biological mechanisms that are readily applicable to humans. In this study, different strains were raised for two days on a diet with or without 100µM and 200µM EGCG treatment: N2 (i.e., wild type ...


An Example Of Commercializing Biobased Coatings And Binders, Darren Jarboe, Tong Wang, Tao Fei 2017 Iowa State University

An Example Of Commercializing Biobased Coatings And Binders, Darren Jarboe, Tong Wang, Tao Fei

Food Science and Human Nutrition Presentations, Posters and Proceedings

Commercialization of emerging biobased technologies delivers new functionality and value to manufacturers and customers. Navigating this process can be difficult and value extraction from the technology elusive. A biobased coatings and binders example will be used to demonstrate: (1) the development of an initial research, development, and commercialization plan; (2) the influence and importance of industry partners throughout the project; and (3) the use of licensing and other methods to create value.


Ozonation Efficacy In The Treatment Of Soil-Borne Phytophthora Sojae In Cultivating Soybeans, Nahed Msayleb, Rameshwar S. Kanwar, Huaiqing Wu, Johannes van Leeuwen 2017 Iowa State University

Ozonation Efficacy In The Treatment Of Soil-Borne Phytophthora Sojae In Cultivating Soybeans, Nahed Msayleb, Rameshwar S. Kanwar, Huaiqing Wu, Johannes Van Leeuwen

Agricultural and Biosystems Engineering Publications

Ozonation was studied for inactivating Phytophthora sojae, a predominant soybean pathogen that causes root and stem rot, and pre-and post-emergence soybean damping-off. Typically, fungicides are used to treat soils to control the damage from P. sojae to soybean production. An environmentally friendly method of ozonation was studied for inactivating P. sojae, a model Phytophthora pathogen that affects a wide range of high-value crops. Assays of artificially inoculated soil samples with P. sojae were treated with different doses of gaseous ozone. This study showed that a dosage of 0.47 g.kg-1 O3 in the soil totally prevented root and stem-rot ...


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