We studied the fresh-keeping techniques in Changshu Jiaohua-chicken in this paper.First,we studied the effects of single type preservation in Changshu Jiaohua-chicken,selected the best preservation.Then nisin,sodium lactate and potassium sorbate were used through cross-linking test,the effects of multiple type preservation were studied by measuring the amount of microorganism and organoleptic investigation at different storage time.The results showed that: the shelf-life of Changshu Jiaohua-chicken could be...