青岛医学院张声辉教授等人研制出“壳聚糖衍生物”作果蔬保鲜剂,近日通过了专家鉴定。该保鲜剂是以虾蟹壳为原料提取的壳聚糖及衍生物为主剂,再辅以其它助剂而制成。其效果优于国际名牌产品——英国的森柏尔保鲜剂,具有国际先进水平。 Professor Zhang Shenghui Qingdao Medical College and others developed “chitosan derivatives ” as a fruit and vegetable preservative, recently passed the expert identification. The preservative is prepared from shrimp and crab shells as raw materials and chitosan derivatives as the main agent, supplemented by other additives. The effect is better than the international famous brand products - British Senboer preservative, with the international advanced level.