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Kerry E. Kaylegian, Ph.D.

  • Dairy Foods Research & Extension Associate
Kerry E. Kaylegian, Ph.D.
324 Rodney A. Erickson Food Science Building
University Park, PA 16802
Email:
Work Phone: 814-867-1379

Areas of Expertise

  • Dairy Food Processing & Quality
  • Dairy Food Safety
  • Sensory Analysis of Dairy Products
  • Dairy Foods Extension
  • Artisanal Cheese

Education

  1. Ph.D., Cornell University, Food Science, 2006
  2. M.S., University of Wisconsin-Madison, Food Science, 1991
  3. B.S., University of Wisconsin-Madison, Food Science, 1985

Research Interests

My program focuses on providing technical support and delivering outreach programs to improve the safety and quality of dairy products.

I direct and lecture in short courses on dairy HACCP, preventive controls and food safety, cheese making, dairy basics for artisan processors, pasteurizer operations, cultured products manufacture, and fundamentals of food science. Additionally I assist with the ice cream  and sanitation short courses, and custom workshops.

My current research is on focused on helping artisanal and small-scale cheesemakers improve the quality and safety of their cheeses. One project is on developing tools for a systematic approach of defining measurable quality parameters, monitoring raw materials, process and finished product variation, and determining which variable have the most impact to allow cheesemakers to make consistent and improved cheeses, and help with troubleshooting. Another project will begin in Fall 2016 to develop tools to help raw milk cheesemakers in conducting hazard analyses and risk assessments to meet the new FSMA requirements.

My other area of interest is the functional and nutritional properties of milk fat as an ingredient, with an emphasis on milk fat fractionation. I have history of research in this area, but am not conducting active research on milkfat or milkfat fractions at this time.

I have a strong interest in the sensory evaluation of dairy products. I am an international cheese and dairy product judge, coach of the Penn State Collegiate Dairy Products Evaluation Team, Chair of the Pennsylvania Farm Show Cheese Competition, and adivsor to the Penn State Cheese Club.

Awards

Julius Bauerman Lectureship Award, 2016, Philadelphia Section of the Institute of Food Technologists

American Dairy Science Foundation Scholar Award in Dairy Foods, 2015, American Dairy Science Association

Marie Kelso Memorial Award, 2014, Pennsylvania Manufacturing Confections Association

Recent Publications

Syrko, J., and K. E. Kaylegian. 2015. Developing a Contemporary Dairy Foods Extension Program:  A Training and Technical Resource Needs Assessment of Pennsylvania Dairy Foods Processors. Journal of Extension.  53(5):http://www.joe.org/joe/2015october/rb1.php.

Rico, D. E., E. R. Marshall, J. Choi, K. E. Kaylegian, C. D. Dechow, and K. J. Harvatine. 2014. Within-milking variation in milk composition and fatty acid profile of Holstein dairy cows. J. Dairy Sci. 97:4259-4268.

Kaylegian, K. E. 2014. Milk-derived Ingredients for Confections. Manufacturing Confectioner. 94:33.

Kaylegian, K. E., D. A. Dwyer, J. M. Lynch, D. E. Bauman, J. R. Fleming, and D. M. Barbano. 2009. Impact of Fatty Acid Composition on the Accuracy of Mid-infrared Fat Analysis of Farm Milks. J. Dairy Sci. 92:2502-2513.

Kaylegian, K. E., J. M. Lynch, J. R. Fleming, and D. M. Barbano. 2009. Influence of Fatty Acid Chain Length and Unsaturation on Mid-infrared Milk Analysis. J. Dairy Sci. 92:2485-2501.

Kaylegian, K.E., R. Moag, D. M. Galton, and K. J. Boor. 2008. Raw milk attitudes and consumption practices among New York state dairy producers. J. Food Prot. Trends. 28:184-191.

Kaylegian, K. E., J. M. Lynch, J. R. Fleming, and D. M. Barbano. 2007. Lipolysis and proteolysis of modified and producer milks used for calibration of mid-infrared milk analyzers. J. Dairy Sci. 90:602-615.

Kaylegian, K. E., J. M. Lynch, G. E. Houghton, J. R. Fleming, and D. M. Barbano. 2006. Modified versus producer milk calibrations: mid-infrared analyzer performance validation. J. Dairy Sci. 89:2833-2845.

Kaylegian, K. E., G. E. Houghton, J. M. Lynch, J. R. Fleming, and D. M. Barbano. 2006. Calibration of infrared milk analyzers: modified milk versus producer milks. J. Dairy Sci. 89:2817-2832.

Research Interests

Food Engineering and Processing

Primary research and outreach interests are dairy chemistry and processing. Technical support and access to the pilot plants to increase the partnership between the food industry and the Department of Food Science.