中国农业科学 ›› 2004, Vol. 37 ›› Issue (10): 1555-1559 .

• 畜牧.兽医.资源昆虫 • 上一篇    下一篇

超声处理对羔羊皱胃酶提取活性的影响

张富新,李林强   

  1. 陕西师范大学食品工程系
  • 收稿日期:2004-01-06 修回日期:1900-01-01 出版日期:2004-10-20 发布日期:2004-10-20
  • 通讯作者: 张富新

Effect of Ultrasonic Treatment on the Extracting Activity of Kid Rennet

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  1. 陕西师范大学食品工程系
  • Received:2004-01-06 Revised:1900-01-01 Online:2004-10-20 Published:2004-10-20

摘要: 以2~3周龄羔羊皱胃为原料,利用超声提取法研究了超声强度,提取时间,提取液NaCl浓度,皱胃与提取液比例以及提取液pH对羔羊皱胃酶(kid rennet)提取活性的影响。结果表明,超声强度是影响羔羊皱胃酶提取活性的主要因素,其次为NaCl浓度,提取时间和皱胃与提取液比例。在超声强度为30 W·cm-2下提取40 min,提取液NaCl浓度为8%,pH为3,皱胃与提取液比例为1∶15时,羔羊皱胃酶提取活性最高。

关键词: 超声提取, 羔羊皱胃酶, 皱胃酶活性, 影响因素

Abstract: Using 2-3 weeks kid abomasa as material, the ultrasound intensity, extraction time, NaCl concentration and pH value in extracting solution and ratio abomasum to extracting solution were studied by ultrasounic method. The results showed that the main factor affecting kid rennet activity during extraction was ultrasound intensity / then NaCl concentration, extraction time and ratio absomasum to extracting solution in order. Kid rennet activity reached peak with ultrasound intensity 30 W·cm-2, extraction time 40 min, NaCl concentration 8%, pH value 3, ratio abomasum to extracting solution.1:15.

Key words: Ultrasound extraction, Kid rennet, Rennet activity, Influencing factors