A RAPID METHOD FOR ENUMERATING SALMONELLA IN MILK POWDERS

被引：12

作者：

FLEET, GH

KARALIS, T

HAWA, A

LUKONDEH, T

机构：

[1] Department of Food Science and Technology, University of New South Wales, Kensington, New South Wales, 2033

来源：

LETTERS IN APPLIED MICROBIOLOGY | 1991年 / 13卷 / 06期

关键词：

D O I：

10.1111/j.1472-765X.1991.tb00622.x

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

A one-day procedure for enumerating Salmonella in milk powder is described. Milk powder suspension was treated with a mixture of trypsin and Tween 80, then centrifuged to give a sediment of microbial cells that was plated on the xylose lysine desoxycholate agar for the direct enumeration of Salmonella. Known populations (1-200 cfu/25 g of sample) of salmonellas inoculated into milk powder suspensions were recovered with almost 100% efficiency in each of 152 trials of the method, covering 17 different serotypes.

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页码：255 / 259

页数：5

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