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牛初乳乳清制备工艺研究

周盛华 刘晓飞 赵红宇 朱洪艳 李学琳

乳业科学与技术2012,Vol.35Issue(6):14-16,3.
乳业科学与技术2012,Vol.35Issue(6):14-16,3.

牛初乳乳清制备工艺研究

Preparation of Colostrum Whey

周盛华 1刘晓飞 2赵红宇 1朱洪艳 1李学琳1

作者信息

  • 1. 黑龙江康普生物科技有限公司,黑龙江哈尔滨150025
  • 2. 哈尔滨商业大学食品工程学院,黑龙江哈尔滨150076
  • 折叠

摘要

Abstract

Colostrum whey was prepared from defatted bovine colostrum using acid precipitation of casein. Based on acid type and strength and changes in IgG activity, the optimal conditions for acid precipitation of casein were determined as follows: defatted milk was adjusted with 0.8 mol/L lactic acid to pH 4.3 and diluted with water to a dry matter concentration of 10% followed by heating in 45 ℃ water bath for 15 min and centrifugal separation at 4000 r/min for 5 min. Only 3.05% of the IgG activity was found for the prepared whey.

关键词

牛初乳/乳清/酪蛋白

Key words

colostrum/whey/casein

分类

轻工纺织

引用本文复制引用

周盛华,刘晓飞,赵红宇,朱洪艳,李学琳..牛初乳乳清制备工艺研究[J].乳业科学与技术,2012,35(6):14-16,3.

基金项目

国家“863”计划项目 ()

乳业科学与技术

OACSTPCD

1671-5187

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