Dr. Liu teaches the following food science courses in the School of Exercise and Nutritional Sciences at San Diego State University:
- NUTR 401 Advanced Science of Foods
- NUTR 405 Experimental Food Science and Technology Laboratory
- NUTR 499/798 Special Studies
In addition, Dr. Liu co-teaches several courses associated with the Center for Better Food Futures:
- CAL 400 Transnational Approaches to Sustainable Food Futures
- ENV S 496 Indigenous to Urban Agriculture
- ENV S 498A/B Senior Seminar in Environmental Sciences