食品科学 ›› 2007, Vol. 28 ›› Issue (9): 180-182.

• 工艺技术 • 上一篇    下一篇

壳聚糖-麦饭石对梨果汁的澄清作用

 李增新, 高华, 杨波, 孟韵   

  1. 青岛大学师范学院化学系; 青岛大学医学院药学系; 青岛大学师范学院化学系 山东青岛266071; 山东青岛266071;
  • 出版日期:2007-09-15 发布日期:2011-11-22

Clarification of Medicinal Stone Maifanshi-Chitosan for Pear Juices

 LI  Zeng-Xin, GAO  Hua, YANG  Bo, MENG  Yun   

  1. 1.Department of Chemistry,Teachers College,Qingdao University,Qingdao 266071,China;2.Department of Medicine,Medical College,Qingdao University,Qingdao 266071,China
  • Online:2007-09-15 Published:2011-11-22

摘要: 将80目麦饭石与90%脱乙酰度壳聚糖的0.5%醋酸溶液按1:1.2质量比混合制成壳聚糖-麦饭石颗粒,用于梨果汁澄清处理。研究了不同壳聚糖脱乙酰度、壳聚糖-麦饭石添加量、梨果汁pH值、作用温度、时间等对梨果汁澄清效果的影响。确定最佳工艺参数是:澄清剂添加量10g/L,作用时间4min,作用温度为30℃左右;梨果汁的透光率80%以上,澄清效果较好。产生的滤泥用做动物饲料添加剂,对环境无污染。

关键词: 梨果汁, 壳聚糖, 麦饭石, 澄清

Abstract: A solid adsorbent was made from medicinal stone maifanshi and chitosan which can be used to clarification of pear juices.80 mm medicinal stone maifanshi was added in chitosan slurry of 90% the degree of deacetylation to prepare adsorbent which mass ratio is 1:1.2.The optimal operation conditions:the absorbent amount of addition 10 g/L,agitation time 4 min at 30 ℃ and the transparence is 80%.The filtrate slurry can be used for feed additive without environmental pollution.

Key words: pear juices, chitosan, medicinal stone maifanshi, clarification