1. College of Biosystems Engineering and Food Science, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Center for Food Technology and Equipment; Zhejiang Univ; Hangzhou Zhejiang 310058 P.R. China
2. Tibet Hongfa Shengtao Food Co.; Ltd., Lasa Tibet 850000 P.R. China
3. College of Life Sicences; Zhejiang Univ.; Hangzhou Zhejiang 310058 P.R. China
4. Dept. of Pharmacology and Key Lab of Ministry of Education in Fertility Preservation and Maintenance; Ningxia Medical Univ.; Yinchuan Ningxia 750004 P.R. China