产胞外多糖的乳酸菌的简便筛选与鉴定

被引：24

作者：

田丰伟

丁虎生

丁纳

赵建新

张灏

陈卫

机构：

[1] 江南大学食品学院

来源：

食品与发酵工业 | 2008年 / 03期

关键词：

乳酸菌; 胞外多糖; 筛选; 鉴定; 菌落拉丝;

D O I：

10.13995/j.cnki.11-1802/ts.2008.03.026

中图分类号：

TS201.3 [食品微生物学];

学科分类号：

082203 ;

摘要：

乳酸菌胞外多糖具有优良的功能性质。根据产胞外多糖乳酸菌的性质,开发了菌落拉丝法作为产胞外多糖乳酸菌的简便初筛方法。以分离菌落在MRS筛选培养基上的拉丝长度为初筛指标,以胞外多糖产量(硫酸-苯酚法)为复筛指标,从自然发酵酸乳和自然发酵蔬菜中分离得到了3株胞外多糖产量较高的乳酸菌,经API细菌鉴定系统鉴定,分别被鉴定为短乳杆菌BT0898、植物乳杆菌NYC30和鼠李糖乳杆菌YHOC137。

引用

页码：15 / 19

页数：5

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