Ondulla T. Toomer

ORCID: 0000-0002-3417-8558
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About
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Research Areas
  • Animal Nutrition and Physiology
  • Peanut Plant Research Studies
  • Food Allergy and Anaphylaxis Research
  • Aquaculture Nutrition and Growth
  • Coconut Research and Applications
  • Agricultural pest management studies
  • Antioxidant Activity and Oxidative Stress
  • Probiotics and Fermented Foods
  • Protein Hydrolysis and Bioactive Peptides
  • Occupational exposure and asthma
  • Asthma and respiratory diseases
  • Food and Agricultural Sciences
  • Meat and Animal Product Quality
  • Food composition and properties
  • Nuts composition and effects
  • Food Safety and Hygiene
  • Contact Dermatitis and Allergies
  • Allergic Rhinitis and Sensitization
  • Moringa oleifera research and applications
  • Vitamin K Research Studies
  • Chemical Safety and Risk Management
  • Phytochemicals and Antioxidant Activities
  • Livestock and Poultry Management
  • Salmonella and Campylobacter epidemiology
  • Ginger and Zingiberaceae research

United States Department of Agriculture
2017-2024

Agricultural Research Service
2017-2024

North Carolina State University
2021-2023

North Central State College
2021-2023

United States Food and Drug Administration
2013-2015

Center for Food Safety and Applied Nutrition
2013-2015

Globally, soybeans are grown to meet the needs for animal and human nutrition, oil extraction, use in multiple industrial applications. Decades of soybean research, innovative farming methods, higher yielding resistant seed varieties have led increased crop yields. producers utilized enhanced processing methods produce nutritious high-quality meal extracted feed within food industry. Soybeans contain highly digestible proteins processed using various mechanical chemical techniques high...

10.3390/agronomy13020427 article EN cc-by Agronomy 2023-01-31

The effects of high oleic oil full-fat (HO-FF) soybean meal (SBM) on broiler meat quality could lead to value-added food products. This experiment evaluated the dietary normal extruded expelled (NO-EE), (NO-FF), or HO-FF SBM live performance, carcass and parts yield, breast fatty acid composition. Diets were formulated be isoenergetic isonitrogenous. A total 540 Ross-708 male broilers raised floor pens with 18 broilers/pen ten replicates/treatment. Data analyzed in a completely randomized...

10.1016/j.psj.2023.103399 article EN cc-by Poultry Science 2024-01-10

Diabetes affects at least 285 million people globally, and this number continues to increase. Clinical complications include impaired glucose metabolism, hyperglycemia, dyslipidemia, atherosclerosis non-alcoholic fatty liver disease. Evidence has shown that natural phenolics play a protective effect on both the development management of type 2 diabetes. This study evaluated effects extract from peanut skins containing polyphenols induced- hyperglycemia using in vivo vitro methods. A human...

10.1371/journal.pone.0214591 article EN public-domain PLoS ONE 2019-03-27

The consumption of poultry products contaminated with Salmonella species is one the most common causes infections. In vivo studies demonstrated potential application peanut skins (PS) as an antimicrobial feed additive to help mitigate proliferation in environments. Tons PS, a waste by-product industry, are generated and disposed U.S. landfills annually. Peanut extracts have been shown possess antioxidant properties. Hence, we aimed determine effect PS on gut microbiota broilers fed control...

10.1016/j.psj.2024.104159 article EN cc-by-nc-nd Poultry Science 2024-08-05

Early feeding trials using peanut meal prepared from normal-oleic peanuts helped to identify as a suitable alternative feed ingredient for poultry. Yet no studies date have examined the use of high-oleic (HO-PN) meat type chickens. Therefore, this study aimed determine effect whole unblanched HO-PN on fatty acid profile produced broilers. At hatch male chicks were randomly placed in raised wire cages, 10 replicate pens per treatment with pen, and fed one 3 isocaloric, isonitrogenous diets ad...

10.1016/j.psj.2019.11.015 article EN cc-by-nc-nd Poultry Science 2020-02-28

Current models of digestibility utilize pepsin stability to assess the safety allergenic versus nonallergenic food proteins. Dietary protein digestion in vivo, however, requires acid denaturation and protease cleavage by pepsin, trypsin, and/or chymotrypsin. The ability this approach identify mammalian gut may be limited. We determined temporal immunoreactivity almond, pine nut, peanut proteins under simulated physiologic gastric intestinal digestive conditions vitro. Gel electrophoresis...

10.1021/jf400953q article EN Journal of Agricultural and Food Chemistry 2013-05-29

Previous studies have identified normal-oleic peanuts as a suitable and economical broiler feed ingredient. However, no to date examined the use of high-oleic (HO) peanut cultivars ingredient for laying hens determined impact feeding HO on performance egg nutritive qualities. This project aimed examine layer determine effect performance, lipid chemistry, quality eggs produced. Forty-eight 40-wk-old were fed conventional soybean meal + corn control diet or 10 wk in battery cages. Body weights...

10.3382/ps/pey531 article EN cc-by-nc-nd Poultry Science 2018-12-11

Previous studies have identified peanut meal prepared from normal-oleic peanuts as a suitable and economical ingredient for broiler feed. However, to date, no examined the use of new, high-oleic (HO-PN) cultivars feed poultry. This project aimed determine effect HO-PNs chickens on quality sensory attributes meat produced. To test 3 experimental diets, male chicks were randomly placed, at hatch, in raised-wire cages, 10 replicate pens per treatment with cage. For 6 wk, fed, ad libitum, one...

10.3382/ps/pez258 article EN cc-by-nc-nd Poultry Science 2019-05-21

High-oleic (HO) soybean may serve as a value-added feed ingredient to enrich poultry meat due its fatty acid content. However, the amino (AA) nutrient digestibility of meal (SBM) made from these soybeans has yet be determined. The objective this study was determine apparent ileal AA (AID) and standardized (SID) high-oleic full-fat (HO-FF) SBM compared normal oleic (NO-FF), extruded expeller (NO-EE), solvent-extracted (SE-SBM) in broilers. A nitrogen-free basal diet (NFD) fed 1 treatment...

10.1016/j.psj.2023.103152 article EN cc-by Poultry Science 2023-09-27

Shellfish allergy affects 2% of the adult population in United States. Identification allergenic shrimp proteins is needed for improved management and assessment allergy. We determined temporal pepsin pancreatin stability total using simulated physiological digestive conditions vitro. Gel electrophoresis was used to determine protein stability, whereas immunoreactivity protease stable rabbit antigen-specific antibodies. Potential allergenicity utilizing human sera from allergic patients....

10.1111/1750-3841.12917 article EN Journal of Food Science 2015-06-16

Two experiments were conducted to evaluate the effects of functional oils containing cashew nutshell and castor oil on turkey performance intestinal morphology. In experiment 1, 585 hatchlings randomly placed in 15 replicate floor pens, (13 poults/pen) with recycled litter provided feed water ad libitum. Birds assigned 3 dietary treatments from 1 12 wk: nonmedicated control, 0.15% oils, 66-ppm monensin. From wk 13 20, each initial treatment group was further divided into treatments—control...

10.1016/j.psj.2020.03.050 article EN cc-by-nc-nd Poultry Science 2020-04-27

Salmonella is the leading cause of bacterial foodborne zoonoses in humans. Thus, development strategies to control pathogens poultry essential. Peanut skins, a considerable waste by-product peanut industry discarded and little economic value. However, skins contain identified polyphenolic compounds that have antimicrobial properties. Hence, we aim investigate use as an antibacterial feed additive diets broilers prevent proliferation Enteritidis (SE). One hundred sixty male hatchlings (Ross...

10.4315/jfp-21-205 article EN publisher-specific-oa Journal of Food Protection 2021-11-11

Locally grown feed ingredients of high energy and protein content, such as peanuts, maybe economically feasible alternatives to corn soybean meal in broiler diets. Even though normal-oleic peanuts have been demonstrated be a viable ingredient for poultry, few studies date examined the use high-oleic (HO PN) an alternative chickens. Thus, we aimed determine effect feeding HO PN on performance, nutrient digestibility, intestinal morphology. Three isocaloric, isonitrogenous experimental diets...

10.1093/tas/txaa137 article EN cc-by-nc-nd Translational Animal Science 2020-07-01

This study was conducted to understand the impact of including full fat high-oleic soybean meal in layer hen diets on nutrient digestibility and added nutritional value eggs. Forty-eight layers (∼36 wk old) were randomly assigned one 4 isonitrogenous (18.5% crude protein) treatment with 12 replicate birds per a 3-wk study. Treatments 1) solvent extracted defatted + corn diet, 2) dry extruded corn, 3) full-fat 4) diet. Apparent ileal (CF) protein (CP) determined using celite (∼2%) as an...

10.1016/j.psj.2023.102486 article EN cc-by-nc-nd Poultry Science 2023-01-09

Increasing biopotency of cholecalciferol (D3) from vitamin sources is essential in the poultry industry to meet nutritional demands and counter stressors. D3 exhibits hormonal traits responsible for calcium (Ca) absorption. 1-α-Hydroxycholecalciferol (1α) a synthetic form that has equal efficacy cheaper synthesize than 1,25-dihydroxycholecalciferol (active D3), on broilers. However, 1α bypasses critical regulatory point, kidney, may consequently lead toxicity levels Ca via This study...

10.3389/fvets.2020.00245 article EN cc-by Frontiers in Veterinary Science 2020-06-10

Abstract We aimed to determine the effects of feeding a high-oleic peanut (HOPN) diet egg-producing laying hens on egg quality, digestibility, and feed conversion. Three isonitrogenous isocaloric dietary treatments were formulated with 1) Control (CON)—a corn-soybean meal conventional 7.8 % added poultry fat, 2) HOPN diet—dietary inclusion ~20% coarse-ground whole HOPN, 3) oleic acid (CON-OA) diet—a control supplemented 2.6% fatty oil. Ninety-nine 57-wk-old brown Leghorn randomly assigned 33...

10.1093/tas/txab015 article EN cc-by-nc-nd Translational Animal Science 2021-01-01

Peanut skins are a considerable waste product with little current economic value or use. We aimed to determine the dietary effects of peanut on layer production performance and egg quality chemistry eggs produced. Two hundred commercial hens were randomly assigned four treatments (five replicates) fed ad libitum for 8 weeks: conventional control diet, diet containing 24% high-oleic (HOPN), 3% skin (PN Skin), 2.5% oleic acid (OA). Hens HOPN had significantly reduced body weights relative PN...

10.3390/agriculture11090894 article EN cc-by Agriculture 2021-09-17
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