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Evaluation of Antimicrobial Ability and Isolation of Strains
from Xinjiang
“
Life Nutrient Liquid
冶
ZHAO Ting
1
,摇 UBUL·Kadir
2
,摇 ZHAI Lei
1
,摇 BAI Feirong
1
,摇 CHENG Chi
1,*
(1郾
China National Research Institute of Food and Fermentation Industries
,
China Center of
Industrial Culture Collection
,
Beijing
100015,
China
;
(2郾
Xinjiang ALDOS Biological Development Co. Ltd.
,
Urumqi
830000,
China
)
Abstract
: Evaluation of antimicrobial ability of Xinjiang unique functional beverage “ life nutrient liquid冶
on five kinds of common food鄄borne pathogenic bacteria and 5 kinds of common probiotics in food indus鄄
try. At the same time, microbe strains were separated and purified from this functional beverage. Results
showed 30 滋L “ life nutrient liquid冶 had antibacterial property for all 5 kinds of pathogenic bacteria:
Sal鄄
monella enterica
subsp.
Enterica
,
Escherichia coli
EHEC O157: H7,
Shigella flexneri
,
Staphylococcus
aureus
, and
Pseudomonas eruginosa
, and the inhibitory zone diameters were 10郾 5 mm, 12郾 0 mm, 12郾 0
mm, 12郾 5 mm, and 10郾 0 mm, respectively. For 4 kinds of probiotics:
Lactobacillus plantarum
subsp.
Plantarum
,
Lactobacillus delbrueckii
subsp.
bulgaricus
,
Bifidobacterium infantis
, and
Bifidobacterium ani鄄
malis
subsp.
lactis
, the beverage has no obvious antibacterial properties except
Streptococcus thermophi鄄
lus
, which the inhibitory zone diameter was 27郾 0 mm. Three different gram鄄negative rod鄄shaped bacteria,
a gram鄄positive rod鄄shaped bacterium and a fungus which produced reddish brown soluble pigment were
isolated from the beverage. The fungus was preliminary identified as
Monascus
sp. The test results provid鄄
ed a basic reference data for the systematically functional research of Xinjiang unique functional beverage
“ life nutrient liquid冶 .
Key words
: antimicrobial ability; separation and purification; Xinjiang; functional beverage
(
责任编辑
:
李
摇
宁
)
35
第
33
卷 第
2
期
摇 摇 摇 摇 摇 摇 摇 摇 摇
赵
摇
婷等
:
新疆
“
生命营养液
冶
抑菌能力评价及其菌种分离纯化
