Isolation, Identification and Exopolysaccharide-producing Ability of Lactic Acid Bacteria from Viili

doi:10.7506/spkx1002-6630-200919061

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (19 ): 263-267.doi: 10.7506/spkx1002-6630-200919061

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Isolation, Identification and Exopolysaccharide-producing Ability of Lactic Acid Bacteria from Viili

GUO Liang1 TAN Qiang-lai1 WAN Cui-xiang1 XU Feng1 WEI Hua1,* ZENG Ming2

1. State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
2. National Institute for the Control of Pharmaceutical and Biological Products, Beijing 100050, China

Received:2009-06-09 Online:2009-10-01 Published:2010-12-29
Contact: WEI Hua E-mail:hua_wei114@yahoo.com.cn

Abstract

Abstract:

Two exopolysaccharide (EPS)-producing lactic acid bacterial isolates (strains I and II) isolated from viili were identified by 16S rDNA sequence alignment and biochemical and physiological identification with API 50 CHL kits and their EPS-producing abilities were studied. Strains Ⅰand Ⅱ were identified as Lactobacillus paracasei ssp. paracasei and Lactobacillus delbrueckii ssp. bulgaricus, and the EPS yields in skimmed milk fermented by them were 111.7 and 106.5 mg/L, respectively.

Key words: viili, exopolysaccharide, lactic acid bacteria, 16S rDNA

CLC Number:

Q939.9

GUO Liang1 TAN Qiang-lai1 WAN Cui-xiang1 XU Feng1 WEI Hua1,* ZENG Ming2. Isolation, Identification and Exopolysaccharide-producing Ability of Lactic Acid Bacteria from Viili[J]. FOOD SCIENCE, 2009, 30(19 ): 263-267.

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Isolation, Identification and Exopolysaccharide-producing Ability of Lactic Acid Bacteria from Viili

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