Profile Image

Yaohua "Betty" Feng

Department of Food Sciences 

  • Assistant Professor of Food Science
Nelson Hall of Food Science (NLSN) Room 3171
745 Agriculture Mall Drive
West Lafayette, IN 47907

Dr. Betty Feng's research lab website:


Ph.D., Food Science, University of California, Davis

M.S., Food Sensory Science, University of California, Davis

B.S., Food Engineering, South China University of Technology, China


Dr. Feng is dedicated to the research and extension of pre- and post-harvest interventions to enhance microbial safety of foods. She uses interdisciplinary tools to investigate gaps in food safety practice compliance and develop novel food safety strategies to empower food handlers and consumers to behavioral change. She is also interested in mitigating microbial contamination in food production by using innovative processing technologies and designing culturally tailored educational interventions. 


Member Institute of Food Technologist (IFT)

Member International Associations of Food Protection (IAFP)

Current Graduate Students and Research Lab Members

Tressie Barrett

Han Chen

Awards & Honors

(2019) The National Excellence in Multistate Research Award. The Association of Public and Land-Grant Universities (APLU) and the U.S. Department of Agriculture’s National Institute of Food and Agriculture (NIFA).

(2019) National multistate collaboration award. the National Extension Association of Family and Consumer Sciences.

(2007) Undergraduate Leadership Award. South China University of Technology.

(2007) JinYao Scholarship. South China University of Technology.

(2007) Department Undergraduate Scholarship. South China University of Technology.

(2009) "Cup of Challenge" for College Student Research Innovative Award. South China University of Technology.

(2013) Jastro-Shield Research Award. University of California.

(2015) First Place Student Poster Presentation. California Department of Public Health.

(2016) Faculty Travel Award. California State University.

(2017) USDA NIFA Postdoctoral Research Fellowship. United States Department of Agriculture.

Selected Publications

Bruhn, C. (2019). Motivators and barriers to cooking and refrigerator thermometer use among consumers and food workers. Journal of Food Protection, 82(1), 128-50. doi:0.4315/0362-028X.JFP-18-245

Ramos, T., Shankar, S., & Bruhn, C. (2019). Meat irradiation technology usage: Challenges and recommendations from expert interviews. Journal of Food Protection Trends, 39(1), 84-93.

Yeung, H. F., Bruhn, C., Blackburn, M., Granthavorn, A., Martin, A., Mendoza, C., . . . Feng, Y. (2019). Evaluation of in-person and on-line food safety education programs for community volunteers. Food Control, 99, 34-9. doi:10.1016/j.foodcont.2018.12.021

Bruhn, C., & Marx, D. (2016). Evaluation of different food safety education interventions. British Food Journal, 118.4, 762-776. doi:10.1016/j.foodcont.2018.12.021

Bruhn, C., & Marx, D. (2016). Evaluation of the effectiveness of food irradiation messages. Journal of Food Protection Trends, 36.4, 272-283.

Bruhn, C. (2016). Food safety education for people with diabetes and pregnant women: A positive deviance approach. Food Control, 66, 107-115. doi:10.1016/j.foodcont.2016.01.039

Gutierrez-Salmon, A., Angulo, O., & Wichchukit, M. (2015). Data from ‘words only’ and ‘numbers only’ 9-point hedonic scales are not interchangeable for serial monadic as well as rank-rating protocols: Aspects of memory and culture. Journal of Food Quality and Preference, 41, 12-19. doi:10.1016/j.foodqual.2014.11.004

O'Mahony, M. (2017). A cross-cultural study of American and Chinese consumers’ use of hedonic scales: Comparison of range shrinkage between 9-point hedonic scales and R-index ranking. Journal of Food Quality and Preference, 60, 1388-144. doi:10.1016/j.foodqual.2017.04.004

Department of Food Science, 745 Agriculture Mall Drive, West Lafayette, IN 47907, (765) 494-8256

© Purdue University | An equal access/equal opportunity university | Integrity Statement | Copyright Complaints | Maintained by Agricultural Communication

Trouble with this page? Disability-related accessibility issue? Please contact us at so we can help.

Sign In