The antibiotic preservative of peptide such as Nisin, Protamine and Lysozyme are normal protein of human or animal, so that this kind of preservative is highly safe.

• 乳酸链球菌素、鱼精蛋白、溶菌酶等肽类抗菌防腐剂为人体或动物体正常蛋白质,安全性高;