1. College of Food Science; Sichuan Agricultural Univ.; Yucheng District, Ya'an Sichuan China
2. Dept. of Chemical Engineering, Univ. of Seville; Seville Spain
3. Inst. of Food Research, Norwich Research Park; Colney Norwich NR4 7UA U.K
4. Chengdu Longquanyi District Center for Disease Control and Prevention; Longquanyi District, Chengdu Sichuan China
5. Key Laboratory of Meat Processing of Sichuan; Chengdu Univ.; Chengdu 610106 China