1. College of Life Science Langfang Normal University Langfang P. R. China
2. Hebei Key Laboratory of Animal Diversity Langfang P. R. China
3. Langfang Key Laboratory of Food Nutrition and Safety Langfang P. R. China
4. Langfang Key Laboratory of Microbial Fermentation Langfang P. R. China
5. College of Chemistry and Materials Science Langfang Normal University Langfang P. R. China