天然沸石负载壳聚糖对陈醋的澄清作用  

Clarification of Natural Zeolite Attached by Chitosan to Aged Vinegar

作　　者：李增新[1] 段春生[1] 薛淑云[1] 

机构地区：[1]青岛大学师范学院化学系,山东青岛266071

出　　处：《食品科学》2006年第10期126-128,共3页Food Science

摘　　要：根据天然沸石上可以吸附阳离子,壳聚糖在酸性溶液中带有正电荷的特性,将120目天然沸石与90%脱乙酰度壳聚糖的0.5%醋酸溶液按1:1.2质量比混合制成制成固体澄清剂,用其处理陈醋。最佳工艺条件是:陈醋中澄清剂添加量1.5%、作用时间5min、作用温度为室温;得到了黑紫色、透明的高档陈醋,且放置6个月无沉淀。产生的滤泥作为农田肥料和动物饲料添加剂,对环境无污染。According the properties of natural zeolite and chitosan, a solid adsorbent was made from natural zeolite and chitosan. 120mm natural zeolite was added in chitosan slurry of 90% the degree of deacetylation to prepare adsorbent which mass ratio is 1：1.2. The absorbent can be used to treat aged vinegar. The optimal operation conditions are： the absorbent amount of addition 1.5%, mixing time 5rain, at room temperature. After treated by the adsorbent, the vinegar was easily filtered and had a highquality with amber color and transparence. The vinegar product could be stored for 6 months without any sediment problem. The filtrate slurry can be used for fertilizer and feed additive without environmental pollution.

关 键 词：陈醋 壳聚糖 天然沸石 澄清 吸附 

分 类 号：TS202.3[轻工技术与工程—食品科学]