The inhibitory activities of bacteria and quorum sensing of water-soluble polysaccharide from Phyllanthus emblica fruit were studied. The activity of antibacterial to 5 tested bacterials and the effect on violacein yield of Chromobacterium violaceum CV026 were carried out using turbidimetry. An order of the inhibitory activities of polysaccharide to 5 tested bacteria was Staphylococcus aureus ATCC25933 > Bacillus subtilis ATCC21216 > C. violaceum CV026 > S. marcescens H30 > Escherichia coli ATCC25922; Violacein yield of C. violaceum CV026 was inhibited strongest (53.47?3.10)% at the concentration of 20 mg穖L-1 emblica polysaccharide. In conclusion, the water-soluble polysaccharide of emblica has inhibitory effect of bacterial multiplication and quorum sensing.
CAO Li-li
,
WANG Fang
,
YANG He-zhong
,
LIAO Zheng-ping
,
WU Shao-hua
,
LI Yong-yu
. Inhibitory Activity of Antibacterial and Quorum Sensing of Water-soluble Polysaccharide from Phyllanthus emblica Fruit[J]. Subtropical Plant Science, 2015
, 44(04)
: 289
-292
.
DOI: 10.3969/j.issn.1009-7791.2015.04.005
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