yael vodovotz ph.d. .:: students




Ph.D. Students
*Phetsamai Chanthabane* Undergraduate Food Science chanthabane.1@osu.edu Phetsamai is a 4th year undergrad working on her B.S. in Food Science and Technology here at The Ohio State University. Her research focus is in developing a method to measure trypsin activity in soy products. Trypsin is a naturally occurring enzyme in legumes such as soybeans that inhibit protein digestion. Also, she is researching what levels of trypsin inhibitors are undesirable in terms of protein digestion. *Courtney McGinnis* Food Science mcginnis.1876@osu.edu Courtney is a 4th year undergrad majoring in Food Science and Nutrition at OSU. Her research focuses on analyzing and comparing the physico-chemical properties and isoflavone content of breads enriched with soy protein from a variety of Ohio grown soybeans *Amber Simmons* simmons.225@buckeyemail.osu.edu Amber Simmons is a PhD student in the OSUN (Ohio State University Nutrition) program. She earned her BS and MS degrees in biochemistry from The Ohio State University. Her current research involves incorporating soy into bakery products for frozen dough applications. She is elucidating the changes in physical properties and nutritional qualities of the dough and the baked products with added soy. Jennifer Ahn-Jarvis ahn-jarvis.1@osu.edu After a successful 12 year career as a critical care nurse, Jennifer joins the Vodovotz lab with a BS in cell molecular biology and nursing, and a MS in food science and nutrition. Her research interest is focused on manipulating food vehicles and processing to optimize whole food phytochemical release and their delivery to biological targets. Dietary clinical trials are used in her research to evaluate the safety and efficacy of the various delivery constructs developed in the Vodovotz lab. Sunny Modi modi.29@osu.edu Sunny Modi joins the Food Science Department with a BS in Food Science & Technology from the University of Georgia. Currently, his research is based on food grade application of Polylactic Acid (PLA) based packaging film in a joint venture with the mechanical engineering. Techniques used in making the film include extrusion, wet solvent and analysis with Dynamic Mechanical Analyzer (DMA) and Differential Scanning Calorimeter (DSC). *Rachel Crockett* crockett.67@gmail.com Rachel is currently investigating the physico-chemical properties of water in gluten and gluten-free bread systems in order to optimize a gluten-free bread formulation for industry. Her research utilizes rheological, thermoanalytical, and textual analytical techniques to study the interaction of water with starch, lipids, and proteins in the matrix. In addition, she will investigate the impact of xanthan, HPMC, soy protein isolate, egg white, and soy lecithin on the gluten-free batter based on concentration and hydration. The final optimization of the bread will be conducted with sensory, textual, and shelf-life studies for future industrial production of the gluten-free bread. Ruth Lucius lucius.19@osu.edu After completing a B.S. in Food Science from Ohio State, Ruth continues her Master’s studies in Dr. Vodovotz’s lab. Her research is focused on characterizing the physico-chemical differences between acceptable and unacceptable masa for tortilla chip production. Specific factors she is investigating are the role of variety, cultural conditions, and processing parameters. Thermal and rheological instrumentation are used for analysis. *Luca Serventi* lucaserventi@yahoo.it After completing his bachelor degree (Laurea Specialistica) in Food Science and Technology from the University of Parma, Italy, Luca joined Dr. Vodovotz's lab as visiting scholar for six months. Currently he's a PhD student working on Soy Saponins Functionality in Soy Bread. This project focuses about physico-chemical characterization of the bread (thermal and rheological properties, water mobility) and Saponins absorption.
Masters Students *Alex Suter* suter.26@osu.edu Alex Suter joins the Food Science Department with a BS in Biochemistry from Virginia Tech. His research deals with galactooligosaccharide addition to chocolate. Research includes solvent extraction, HPAEC-PAD for quantification, Differential Scanning Calorimeter (DSC), and Rheometer for characterization of the chocolate viscosity. *Lia Winardi Liem* winardi-liem.1@buckeyemail.osu.edu Lia is currently doing her honor program as a 3rd year undergraduate student majoring in Food Science. She started working in Dr. Vodovotz's lab since Summer 2009. Her current research is focused on comparing the polyphenol content in organic chocolate and conventional chocolate. Since polyphenol is considered as the most abundant antioxidant in nature, it has been popularly studied for its health benefits. In her research, the polyphenol content will be determined by using HPLC analysis. *Erica Fisher* fisher.675@buckeyemail.osu.edu She will be focusing on soy gummy confections. Her main focus is to optimize the gummy formulation based on shelf stability studies. For the shelf stability test, I will be using rheology, differential scanning calorimetery, and texture analysis. *Pauline Ie* ie.2@buckeyemail.osu.edu My current research focuses on comparing the physicochemical properties of organic and conventional starches from various plant sources in terms of their thermal and rheological behaviors. The properties of interest are the gelatinization temperature range and retrogradation rates analyzed by the Differential Scanning Calorimetry (DSC), the time-, temperature-, and shear-dependence analyzed using a Rheometer, as well as the amylose and amylopectin content. The results will have significance in determining the processing conditions in organic food production experiencing ingredient transition from the conventional to the organic form. Undergraduate Students *Sandra Zurbrugg* zurbrugg.2@osu.edu Sandra worked on galactooligosaccharide addition to chocolate truffles for her undergraduate research project. Kelly Smith B.S. Food Science smith.4266@osu.edu Kelly received her B.S. degree in the Department of Food Science at North Carolina State University. She is currently finishing up her masters degree under the guidance of Dr. Yael Vodovotz. Her project examines the effects of freezing on the physico-chemical properties of soy dough. She uses thermal analytical instruments (DMA, DSC, and TGA) to collect her data. This research is important for the future commercialization of the soy bread. *Stefano Tiziani* Dottore in Chemistry tiziani.1@osu.edu Stefano Tiziani joins the Food Science & Technology Department of The Ohio State University with a Laurea in Chemistry (Dottore in Chemistry, 2001) from University of Trieste, Italy. He is currently working as a graduate research associate in Dr. Yael Vodovotz’s lab in the project "A Model System for Functional Foods: Tomato Products Containing Soy". The research focuses on characterization of the physico-chemical properties of tomato products with the addition of soy protein by thermal, rheological and Nuclear Magnetic Resonance analysis. Elena Curti, Food Science elena.curti@studenti.unipr.it; curti.1@osu.edu Elena Curti joins the OSU as a visiting scientist to complete her degree in Food Science and Technology from the University of Parma, Italy. Her research focuses on the characterization of the physico-chemical properties of starch gels using different techniques like Differential Scanning Calorimetry, Dynamical Mechanical Analysis and Thermogravimetric Analysis. Dilara Nilufer M.Sc. Food Engineering niluferd@itu.edu.tr nilufer.1@osu.edu Dilara Nilufer joins the OSU as a visiting scholar with a Master of Science degree in Food Engineering from the Istanbul Technical University. She is currently a PhD student and a research assistant in the Department of Food Engineering of Istanbul Technical University. Her research area is mainly food chemistry, food analysis, food mycotoxicology and functional foods. She is currently studying in Dr. Vodovotz’s lab on soy milk functionality in bread formulations.. Jeff Boff Ph. D Food Science boff.2@osu.edu Dr. Jeff Boff received his Ph. D. at The Ohio State University Department of Food Science and Technology, and is currently working as a post-doctoral research associate for Dr. Yael Vodovotz. Dr. Boff is studying the effects of high pressure processing on the physico-chemical and quality characteristics of rice. Dynamic mechanical analysis, differential scanning calorimetry, and thermo gravimetric analysis are being used to study changes in the rice due to processing and storage. The use of high pressure processing for rice and the use of thermal-analysis techniques for a non-thermally processed food will provide greater understanding in both the processing method and analysis techniques.s. JaeHwan Lee Ph.D. Food Science lee.1653@osu.edu Dr. JaeHwan Lee received his Ph. D. at Department of Food Science and Technology, The Ohio State University and is currently working on the functional food project dealing with isoflavones and antioxidants. Currently he is working as a post-doctoral research associate for Dr. Yael Vodovotz and Steven Schwartz. Dr. Lee. Isoflavones are well-known neutraceuticals in soybean. His project is to select soybean varieties containing high isoflavones and antioxidants. The selected soybean varieties will be used as bread ingredient, resulting in the value-added functional foods. Yu Chu Zhang M.Sc. Food Science zhang.363@osu.edu Yu Chu joins the OSU Food Science & Nutrition Program with a Master's degree in Food Science from The University of Nottingham. She is currently working as a graduate research associate in Dr. Yael Vodovotz’s lab. Her research project involves investigation into the changes in the physico-chemical properties and isoflavones of bread after soy addition and during storage using a variety of instrument including thermal analysis, Nuclear Magnetic Resonance and High Performance Liquid Chromatography. This research provides information critical for improving shelf-stability of soy foods and for evaluating the feasibility of using baked products as an isoflavone delivery system. *Alessia Lodi* B.S. Chemical Engineering lodi.1@osu.edu Alessia Lodi joins the Food Science & Technology Department of The Ohio State University with a degree (Laurea) in Chemical Engineering from University of Trieste, Italy. Her project investigates the effects of almond addition on the isoflavones profile and on the physico-chemical properties of soy bread during production and storage. She uses a variety of different techniques including Nuclear Magnetic Resonance, Magnetic Resonance Imaging, High Performance Liquid Chromatography, Fourier Transform Infrared and thermal analytical instruments (DMA, DSC, and TGA). *Yani Gao* B.S. Food Science gao.62@osu.edu Yani graduated from NanJing Medical University in 1996 in China. Yani joined OSU food science and Nutrition program in 2000. Her research focused on investigation of the effect of Carboxymethyl cellulose (CMC) on the physico-chemical properties of masa/water mixtures. The better understanding of the mode of action of CMC may help to find out cheaper replacement. Results from thermal analytical experiments ( DSC and TGA) were compared to the traditional water absorption method in this project. *Liz Clubbs* B.S. Food Science clubbs.1@osu.edu Liz joins the OSU Food Science & Nutrition Program with a Bachelor's degree in Dietetics from Central Michigan University. She is currently working as a graduate research associate in Dr. Yael Vodovotz’s lab. Her research project involves investigation of the physico-chemical properties of corn tortillas that contained glycerol and salt and comparing with corn tortillas that did not contain these additives for the extension of textural shelf-life. High pressure processing as a technique for microbial inhibition was a component of this study. Her research included using a variety of instrument including thermal analysis and textural analysis. This research provides information critical for improving and extending shelf-stability of corn tortillas. Alex Siegwein B.S. in Food Science & Toxicology siegwein.1@osu.edu Alex Siegwein joins the Food Science & Technology Department of The Ohio State University with a BS in Food Science & Toxicology from theUniversity of Idaho. His research investigates the thermodynamic nature of the interactions between starch and soy protein in confectionery products. Analytical techniques used include thermal, rheological, and chromatographic analyses. Debra Van Camp Food Science/Agribusiness van-camp.9@osu.edu Debra is pursuing dual B.S. degrees in Food Science and Agribusiness and Applied Economics. She is currently employed as a work study student with Dr. Vodovotz.
Past Research Group Members
Post-Doctoral Associates
Ken Riedl Ph.D Biochemistry riedl.7@osu.edu Dr. Riedl earned his PhD degree at Miami University of Ohio studying the effects of protein binding on the antioxidant properties of plant polyphenols. He completed a postdoctoral position in the Dept of Chemistry at Ohio State using fluorescence quenching to localize membrane proteins and tryptophan derivatives in lipidic cubic phases. Currently he is involved in several projects that include: determining isoflavone contents and profiles in Ohio soybeans as affected by growing location and processing; the impact of high pressure processing on shelf-life of refrigerated rice products; and applying NMR to study water and polymer mobility in various foods. In general he is interested in how food polymers affect the chemical and physical properties of low molecular weight functional food ingredients.
Ph.D. Students

Masters Students

Visiting Scientist

Undergraduate Students


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