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Agricultural Research Service United States Department of Agriculture
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Peggy M Tomasula
Dairy Processing and Products Research
Research Leader

Phone: (215) 233-6703
Fax: (215) 233-6795
USDA,REE,ARS,NAA,ERRC
600 E MERMAID LANE
WYNDMOOR, PA, 19038-8598

Projects
VALIDATION OF THE EFFECT OF INTERVENTIONS AND PROCESSES ON PERSISTENCE OF PATHOGENS ON FOODS
Appropriated (D)
  Accession Number: 410265
PROTEIN PROCESSING USING HIGH-PRESSURE GASES AND SUPERCRITICAL FLUIDS
Appropriated (D)
  Accession Number: 408523
STRUCTURED EDUCATIONAL PROGRAM TO LOCK-IN STUDENTS TO USDA FOOD SAFETY PROFESSIONS
Nonfunded Cooperative Agreement (N)
  Accession Number: 412014
PROTEIN-ENRICHED LOW GLYCEMIC SNACK PRODUCTS THAT MITIGATE CHILDHOOD OBESITY AND HIDDEN HUNGER
Reimbursable (R)
  Accession Number: 409218

Publications
FATE OF LYSOSTAPHIN IN MILK FROM INDIVIDUAL COWS THROUGH PASTEURIZATION AND CHEESEMAKING - (Peer Reviewed Journal) - (29-Sep-08)
PRODUCTION OF EXTRUDED BARLEY, CASSAVA, CORN AND QUINOA ENRICHED WITH WHEY PROTEINS AND CASHEW PULP - (Peer Reviewed Journal) - (11-Aug-08)
WHEY PROTEIN FRACTIONATION USING SUPERCRITICAL CARBON DIOXIDE - (Abstract) - (15-Jun-08)
EFFECT OF PRESSURIZED CARBON DIOXIDE (CO2) ON THE STRUCTURE OF CASEIN MICELLES - (Abstract) - (15-May-08)
EFFECT OF TYROSINASE ON GELLING PROPERTIES OF MICROPARTICULATED DAIRY PROTEINS AND ALGINIC ACID - (Peer Reviewed Journal) - (18-Apr-08)
FUNCTIONALITY OF MEMBRANE SEPARATED EGG WHITE PROTEINS - (Abstract)
Mukhopadhyay, S., Tomasula, P.M., Van Hekken, D.L., Luchansky, J.B., Kwoczak, R. 2008. Functionality of membrane separated egg white proteins. Meeting Abstract. pg.131.
TENSILE AND FLEXURAL PROPERTIES OF BM0 TO BM20 BIOCOMPOSITES - (Abstract)
Onwulata, C.I., Tomasula, P.M. 2008. Tensile and flexural properties of bm0 to bm20 biocomposites. Meeting Abstract.
FRACTIONATION OF DAIRY PROTEINS USING HIGH-PRESSURE AND SUPERCRITICAL CARBON DIOXIDE - (Proceedings/Symposium)
Tomasula, P.M., Bonnaillie, L.M., Qi, P.X., Van Hekken, D.L. 2007. Fractionation of Dairy Proteins Using High-Pressure and Supercritical Carbon Dioxide. In Proceedings at the International Conference on Traditional Dairy Foods, November 14-17, 2007, Karnal, India. p.3.
Queso Chihuahua: Manufacturing Procedures, Composition, Protein Profiles, and Microbiology - (Peer Reviewed Journal)
Tunick, M.H., Van Hekken, D.L., Corral, F.J., Tomasula, P.M., Call, J.E., Luchansky, J.B., Gardea, A.A. 2008. Queso Chihuahua: Manufacturing Procedures, Composition, Protein Profiles, and Microbiology. International Journal of Dairy Technology. 61(1):62-69.
PROCESSING OF REACTIVELY-MIXED MOLDED DAIRY-BASED BIOCOMPOSITES - (Proceedings/Symposium)
Onwulata, C.I., Tomasula, P.M. 2007. Processing of reactively-mixed molded dairy-based biocomposites. UJNR Food & Agricultural Panel Proceedings. P. 145-148.
CALCIUM-INDUCED SUPRAMOLECULAR STRUCTURES IN THE CALCIUM CASEINATE SYSTEM - (Abstract)
Qi, P.X., Tomasula, P.M. 2007. Calcium-induced supramolecular structures in the calcium caseinate system. (abstract). American Chemical Society Book of Abstracts. AGFD14.
THERMOMECHANICAL PROPERTIES OF COMPRESSION MOLDED STARCH AND PROTEIN BLENDS - (Abstract)
Carvalho-Piler, C.W., Onwulata, C.I., Tomasula, P.M. 2007. Thermomechanical properties of compression molded starch and protein blends. (Abstract). 6th International Symposium on Biopolymers & Composites. p. 1-4.
MELT AND THERMAL PROPERTIES OF INJECTION MOLDED MILK-PROTEIN-BASED BIOPOLYMERS - (Proceedings/Symposium)
Onwulata, C.I., Carvahlo, C.W., Tomasula, P.M. 2007. Melt and thermal properties of injection molded milk-protein-based biopolymers. In: The Polymer Processing Society 23rd Annual Meeting. May 27-31, 2007 Salvador, Brazil p.1-5.
PROCESSING WHEY PROTEIN ISOLATE AND CORN STARCH USING A TORQUE RHEOMETER - (Proceedings/Symposium)
Carvalho, C.W.P., Onwulata, C.I., Tomasula, P.M. 2007. (Proceedings)Processing Whey Protein Isolate and Corn Starch Using a Torque Rheometer. The Polymer Processing Society 23rd Annual Meeting. In: Book of Abstracts. May 27-31, 2007. Salvador, Brazil. p.1-6.
Whey Protein Fractionation - (Book/Chapter)
Tomasula, P.M., Bonnaillie, L. 2008. Whey Protein Fractionation. In: Onwulata,C.I., Huth, P.J., editors. Whey Processing, Functionality and Health Benefits. Ames, IA: Blackwell Publishing and IFT Press. p.15-37.
BLENDED FILMS OF NOVEL CASEIN WITH FOUR DIFFERENT CARRAGEENANS TO IMPROVE PROPERTIES - (Abstract)
Dangaran, K.L., Cooke, P.H., Tomasula, P.M. 2007. Blended films of novel casein with four different carrageenans to improve properties. IFT Meeting Abstract.
EMPIRICAL MODELING OF PHYSICAL PROPERTIES OF CASEIN FILMS AS AFFECTED BY PLASTICIZER CONTENT - (Peer Reviewed Journal) - (15-Mar-07)
COLD EXTRUSION TEXTURIZATION OF WHEY PROTEINS - (Abstract)
Onwulata, C.I., Tunick, M.H., Tomasula, P.M. 2007. Cold extrusion texturization of whey proteins. AOCS Book of Abstracts: p. 143.
FATE OF LYSOSTAPHIN IN MILK THROUGH THE CHEESEMAKING PROCESS - (Abstract)
Van Hekken, D.L., Wall, R.J., Somkuti, G.A., Tomasula, P.M. (Abstract) 2007. Fate of lysostaphin in milk through the cheesemaking process. Journal of Dairy Science Suppl 1:T90
WHEY PROTEIN FRACTIONATION USING SUPERCRITICAL CARBON DIOXIDE - (Abstract)
Tomasula, P.M., Bonnaillie, L., Van Hekken, D.L., Qi, P.X., Dangaran, K.L. 2007. Whey protein fractionation using supercritical carbon dioxide. (abstract) 98th AOCS Annual Meet & Expo. p. 143.
CHARACTERIZATION OF CASEINS CROSSLINKED BY A NATURALLY OCCURRING CROSSLINKING AGENT-GENIPIN - (Abstract)
Qi, P.X., Tomasula, P.M. 2007. Characterization of caseins crosslinked by a naturally occurring crosslinking agent-genipin. (abstract). 98th AOCS Ann Mtg & Expo. p. 139.
THERMAL INACTIVATION OF FOOT-AND-MOUTH DISEASE VIRUS IN MILK USING HIGH-TEMPERATURE SHORT TIME PASTEURIZATION - (Peer Reviewed Journal)
Tomasula, P.M., Kozempel, M.F., Konstance, R.P., Gregg, D.A., Boettcher, S., Baxt, B., Rodriguez, L.L. 2007. Thermal inactivation of foot-and-mouth disease virus in milk using high-temperature short time pasteurization. Journal of Dairy Sci. 90:3202-3211.
BIOPOLYMERS FROM POLYLACTIC ACID AND MILK PROTEINS - (Proceedings/Symposium)
Onwulata, C.I., Tomasula, P.M. 2007. Biopolymers from polylactic acid and milk proteins. American Chemistry Society Abstracts.
RHEOLOGICAL PROPERTIES OF STARCH AND WHEY PROTEIN ISOLATE GELS - (Peer Reviewed Journal)
Carvalho, C.W., Onwulata, C.I., Tomasula, P.M. 2007. Rheological Properites of Starch and Whey Protein Isolate Gels. Journal of Food Science and Technology. 13(3):207-216.
MEXICAN QUESO CHIHUAHUA: RHEOLOGY OF FRESH CHEESE - (Peer Reviewed Journal)
Van Hekken, D.L., Tunick, M.H., Tomasula, P.M., Molina-Corral, F.J., Gardea, A.A. 2007. Mexican Queso Chihuahua: rheology of fresh cheese. International Journal of Dairy Technology. 60(1):5-12.
PACKAGING, FILMS AND COATINGS: TECHNOLOGIES AND APPLICATIONS - (Proceedings/Symposium)
Dangaran, K.L., Onwulata, C.I., Tomasula, P.M., Cherry, J.P. 2006. Packaging, films and coatings: technologies and applications. (Baltimore,MD) Meeting Abstract. http://www.sustainablebizness.com/zerowasteinitiative.htm
A STRUCTURAL STUDY OF BOVINE B-CASEIN BY CD, FLUORESCENCE, FTIR AND MOLECULAR MODELING - (Proceedings/Symposium) - (18-Jul-06)
DRYING PROPERTIES OF EXTRUDED WHEY PROTEIN CONCENTRATES AND ISOLATES - (Peer Reviewed Journal)
Nalesnik, C.A., Onwulata, C.I., Tunick, M.H., Phillips, J.G., Tomasula, P.M. 2006. Drying properties of extruded whey protein concentrates and isolates. Journal of Food Engineering.
VALIDATION OF PILOT-PLANT SCALE MICROFILTRATION TO REMOVE SPORES OF BACILLUS ANTHRACIS STERNE FROM FLUID MILK - (Abstract)
Tomasula, P.M., Datta, N., Luchansky, J.B. 2006. Validation of pilot-plant scale microfiltration to remove spores of bacillus anthracis sterne from fluid milk. Society for Industrial Microbiology Meeting (SIM). p.5.
PROTEIN-PROTEIN INTERACTIONS IN CASEIN PRECIPITATED BY PRESSURIZED CARBON DIOXIDE (C02 CASEIN) - (Abstract)
Qi, P.X., Cooke, P.H., Tomasula, P.M. 2006. Protein-protein interactions in casein precipitated by pressurized carbon dioxide (c02 casein). Nanoscale International Conference. #4b p.15.
IMPROVING PHYSICAL PROPERTIES OF CO2-PRECIPITATED CASEIN FILMS BY REDUCING PROTEIN PARTICLE SIZE - (Peer Reviewed Journal)
Dangaran, K.L., Cooke, P.H., Tomasula, P.M. 2006. Improving physical properties of co2-precipitated casein films by reducing protein particle size. Journal of Food Science. 71(4:E196-201.
PREDICTING BIOPOLYMER FILM FUNCTION USING PLASTICIZER EFFICIENCY RATINGS - (Abstract)
Dangaran, K.L., Tomasula, P.M. 2006. Predicting biopolymer film function using plasticizer efficiency ratings. IFT 2006 Ann. Meeting Book of Abstracts, 054C-06.
STRUCTURE, PROPERTIES AND APPLICATIONS OF EDIBLE FILMS AND COATINGS FROM DAIRY PROTEINS - (Abstract)
Dangaran, K.L., Qi, P.X., Tomasula, P.M. 2006. Structure, properties and applications of edible films and coatings from dairy proteins. 2006 Ann AOCS Mtg & Expo. St. Louis, MO. p. 108.
CHARACTERIZATION OF CASEIN FILMS MADE BY PRESSURIZED CARBON DIOXIDE: SALT EFFECT ON WATER SOLUBILITY - (Abstract)
Qi, P.X., Cooke, P.H., Dangaran, K.L., Tomasula, P.M. 2006. Characterization of casein films made by pressurized carbon dioxide: salt effect on water solubility. 97th AOCS Ann Meeting & Expo Book of Abstracts. p. 106
FATE OF BACILLUS ANTHRACIS (STERNE) IN PASTEURIZED WHOLE LIQUID EGG STORED AT DIFFERENT TEMPERATURES AND COOKED USING A COMMERCIAL GRILL - (Abstract)
Porto Fett, A.C., Brito, J., Tomasula, P.M., Luchansky, J.B. 2006. Fate of bacillus anthracis (sterne) in pasteurized whole liquid egg stored at different temperatures and cooked using a commercial grill. [Abstract] International Association of Food Protection's Annual Meeting. P5-38. pg. 185
USE OF HIGH PRESSURE AND SUPERCRITICAL CARBON DIOXIDE FOR PROTEIN PRODUCTION, PROCESSING AND MODIFICATION - (Abstract)
Tomasula, P.M., Van Hekken, D.L. 2006. Use of high pressure and supercritical carbon dioxide for protein production, processing and modification. 97th Annual American Oil Chemists' Society National Meeting. Book of Abstracts. P7.
PROPERTIES OF WHEY ISOLATES EXTRUDED UNDER ACIDIC AND ALKALINE CONDITIONS - (Peer Reviewed Journal)
Onwulata, C.I., Isobe, S., Tomasula, P.M., Cooke, P.H. 2005. Properties of whey isolates extruded under acidic and alkaline conditions. Journal of Dairy Science p.89
PROCESSES FOR CREATING TEXTURIZED WHEY PROTEIN PRODUCTS - (Proceedings/Symposium)
Onwulata, C.I., Tomasula, P.M. 2006. Processes for creating texturized whey protein products. Proceedings. 4th Internatl Whey Conference.
TEXTURIZED WHEY PROTEIN (TWP) APPLICATIONS - (Abstract)
Onwulata, C.I., Tomasula, P.M., Mulvaney, S.J., Bahar, S. 2005. Texturized whey protein (twp) applications. International Whey Conf. (IWC 2005). Book Chapter. "The Wonders of Whey:Catch the Power" p221-234.
PROPERTIES OF DAIRY PROTEINS AND ALGINIC ACID GELS - (Abstract)
Onwulata, C.I., Muir, Z.E., Tunick, M.H., Tomasula, P.M. 2005. Properties of dairy proteins and alginic acid gels. ACS National Meeting AGFD 0075.
CHARACTERIZATION OF CASEIN-BASED FILMS BY TRANSMISSION ELECTRON MICROSCOPY - (Abstract)
Qi, P.X., Cooke, P.H., Tomasula, P.M., Wickham, E.D. 2005. Characterization of casein-based films by transmission electron microscopy. (Abstract). 230th ACS National Meeting. Paper No. AGFD 104.
IMPROVING FUNCTIONALITY OF WHEY PROTEIN CONCENTRATES FROM DIFFERENT SOURCES - (Peer Reviewed Journal)
Onwulata, C.I., Tomasula, P.M. 2005. Improving functionality of whey protein concentrates from different sources. Journal of Dairy Science. Vol. 1 (1) 1-8, 2006.
RHEOLOGICAL PROPERTIES OF EXTRUDED MILK POWDERS - (Abstract)
Tunick, M.H., Onwulata, C.I., Tomasula, P.M. 2005. Rheological properties of extruded milk powders. Abstract. American Chemical Society. Paper No. AGFD075.
TANGENTIAL MICROFILTRATION OF SKIM MILK FOR REMOVAL OF BACILLUS ANTHRACIS SPORES - (Abstract)
Datta, N., Tomasula, P.M., Call, J.E., Luchansky, J.B. 2005. Tangential microfiltration of skim milk for removal of bacillus anthracis spores. (abstract). American Dairy Science Assn. Mtg. Paper No. 153.
CONTINUOUS PROCESSING OF AGRICULTURAL-BASED FILMS - (Other)
Kozempel, M.F., Tomasula, P.M. 2005. Continuous processing of agricultural-based films. In: Lee, S.E., Associate Editor. Encyclopedia of Agricultural, Food, and Biological Engineering. New York, NY:Marcel Dekker. Available:http:/ www.dekker.com.
AN ASSESSMENT OF PASTEURIZATION TREATMENT OF WATER, MEDIA, AND MILK WITH RESPECT TO BACILLUS SPORES - (Peer Reviewed Journal)
Novak, J.S., Call, J.E., Tomasula, P.M., Luchansky, J.B., 2005. An assessment of pasteurization treatment of water, media, and milk with respect to bacillus spores. Journal of Food Protection. Vol.68. No.4 pg. 751-757.
EFFECT OF SEASONALITY AND PASTEURIZATION OF THE CHEESEMILK ON FUNCTIONAL PROPERTIES OF AGING MEXICAN MENNONITE CHEESE - (Abstract)
Olson, D.W., Van Hekken, D.L., Tunick, M.H., Tomasula, P.M., Molina-Corral, F.J. Gardea, A.A. 2004. Effect of seasonality and pasteurization of the cheesemilk on functional properties of aging Mexican Mennonite Cheese. (abstract). American Chemical Society 228th National Meeting. Paper No. AGFD76.
ACID PRECIPITATION USING CO2 - READY FOR COMMERCIALZATION - (Abstract)
Tomasula, P.M., Kozempel, M.F. 2004. Acid precipitation using co2 - ready for commercialization.(Abstract). 11th International Symposium & Exhibit-Supercritical Fluid Chromatography - Extaction and Processing Meeting. Paper No. 92.
EFFECT OF AGING ON THE PROTEOLYTIC AND RHEOLOGICAL PROPERTIES OF MENNONITE-STYLE CHEESES FROM CHIHUAHUA, MEXICO - (Abstract)
Van Hekken, D.L., Tunick, M.H., Tomasula, P.M., Molina-Corral, F.J., Gardea, A.A. 2004. Effect of aging on the proteolytic and rheological properties of Mennonite-style cheeses from Chihuahua, Mexico. American Dairy Science Assn. Annual Mtg. Paper T287.
EFFECT OF PASTEURIZATION ON ELIMINATION OF FOOT-AND-MOUTH DISEASE VIRUS (FMDV) IN NATURALLY INFECTED COW'S MILK - (Abstract)
Tomasula, P.M., Gregg, D.A., Baxt, B., Rodriguez, L.L., Kozempel, M.F., Konstance, R.P. 2004. Effect of pasteurization on elimination of foot-and-mouth disease virus (FMDV) in naturally infected cow's milk. (abstract).International Food Technologists Meeting. Paper No. 46-3.
FLOW CHARACTERISTICS OF A PILOT SCALE HIGH TEMPERATURE SHORT TIME PASTEURIZER - (Peer Reviewed Journal)
Tomasula, P.M., Kozempel, M.F. 2004. Flow characteristics of a pilot-scale high temperature, short time pasteurizer. (abstract). J. of Dairy Science. 87:2761-2768.
WHEY TEXTURIZATION: A WAY FORWARD - (Trade Journal)
Onwulata, C.I., Tomasula, P.M. 2004. Whey Texturization:A Way Forward. Food Technology. p.50-54.
DRYING PROPERTIES OF EXTRUDED WHEY PROTEIN CONCENTRATES AND ISOLATES - (Peer Reviewed Journal)
Nalesnik, C.A., Onwulata, C.I., Tomasula, P.M. 2007. Drying properties of extruded whey protein concentrates and isolates. Journal of Food Engineering. 80:688-694.
USE OF TEXTURIZED WHEY PROTEINS IN EXPANDED SNACKS - (Abstract)
Onwulata, C.I., Tomasula, P.M. 2005. Use of texturized whey proteins in expanded snacks. (abstract). 2nd International Symposium on Spray Drying. Paper No. 65-a.
CHARACTERIZATION OF SEMI-HARD CHEESE FROM CHIHUAHUA, MEXICO - (Abstract)
Van Hekken, D.L., Tunick, M.H., Tomasula, P.M., Molina-Corral, F.J., Gardea, A.A. 2004. Characterization of semi-hard cheese from Chihuahua, Mexico. International Dairy Federation Symposium:Cheese Ripening, Characterization, and Technology, Prague, Czech Republic.
A CONTINUOUS PROCESS FOR BIODEGRADABLE CASEINATE FILMS - (Abstract)
Kozempel, M., Tomasula, P.M. 2004. IFT Annual Meeting. A continuous process for biodegradable protein films. Abstract No. 67-F.
DEVELOPMENT OF A SEMI-CONTINUOUS PROCESS FOR CO2-PRECIPATED-CASEIN FILMS - (Abstract)
Kozempel, M.F., Tomasula, P.M. 2004. Development of a semi-continuous process for co2-precipated-casein. [abstract]. 228th National American Chemical Society Meeting. Paper No. 15.
THE EFFICIENCY OF CONVENTIONAL PASTERURIZATION TEMPERATURES ON BACILLUS ANTHRACIS (STERNE) SPORES IN WATER, MEDIA, AND MILK - (Abstract)
Novak, J.S., Call, J.E., Wallace, F.M., Tomasula, P.M., Luchansky, J.B. 2004. The efficiency of conventional pasterurization temperatures on Bacillus anthracis (Sterne) spores in water, media, and milk [Abstract]. International Association for Food Protection Annual Meeting. P167.
DEVELOPMENT OF A CONTINUOUS PROCESS TO MAKE CASEIN FILMS - (Peer Reviewed Journal)
KOZEMPEL, M.F., TOMASULA, P.M. DEVELOPMENT OF A CONTINUOUS PROCESS TO MAKE CASEIN FILMS. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. 2004. V. 52(5). P. 1190-1195.
MINIMIZING VARIATIONS IN FUNCTIONALITY OF WHEY PROTEIN CONCENTRATE FROM DIFFERENT SOURCES - (Peer Reviewed Journal)
Onwulata, C.I., Konstance, R.K., Tomasula, P.M. 2004. Minimizing variations in functionality of whey protein concentrates from different sources. J. Dairy Sci. 87:749-756.

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Last Modified: 10/04/2008
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