公开(公告)号：EP2241615A1

公开(公告)日：2010-10-20

申请号：EP09708024.6

申请日：2009-02-03

申请人： Snow Brand Milk Products Co., Ltd.

发明人： AZUMA, Naoki ,  WATANABE, Masayuki ,  UENO, Hiroshi ,  YOSHIOKA, Toshimitsu

IPC分类号： C12N1/20

CPC分类号： C12N1/04

摘要： The present invention provides a method of preparing frozen or lyophilized microbial cells which can inhibit damages or death of microbial cells and have high viabilities in freezing or lyophilizing process.
A method of preparing frozen or lyophilized microbial cells having high viabilities, characterized by using a permeate which is obtained by filtering milk or whey with ultra-filtration (UF) membrane, as a protecting agent at the time of freezing or lyophilizing.

摘要翻译： 本发明提供一种制备冷冻或冻干的微生物细胞可以抑制损害或微生物细胞的死亡，并且具有在冷冻或冻干过程的高存活率的方法。 制备具有高存活率，通过使用渗透所有这一切是通过过滤乳或乳清用超过滤（UF）膜，如在冷冻或冻干时的保护剂为特征的获得冷冻或冻干的微生物细胞的方法。