Inhibitory activity of tea polyphenol and Hanseniaspora uvarum against Botrytis cinerea infections

Letters in Applied Microbiology
H M LiuB X Deng

Abstract

To investigate the effect of tea polyphenol (TP) and Hanseniaspora uvarum alone or in combination against Botrytis cinerea in grapes and to evaluate the possible mechanisms involved. TP alone was effective in controlling grey mould in grape at all concentrations. TP at 0.5 and 1.0% in combination with H. uvarum (1 x 10(6) CFU ml(-1)) showed a lower infection rate of grey mould. TP at 0.01% or above significantly inhibited the spore germination of B. cinerea. TP at 0.1% showed inhibition ability on mycelium growth of B. cinerea. The addition of TP did not affect the growth of H. uvarum in vitro and significantly increased the population of H. uvarum in vivo. TP exhibited an inhibitory effect against B. cinerea and improved the biocontrol efficacy of H. uvarum. The inhibitory effects of spore germination and mycelial growth of B. cinerea and the increased populations of H. uvarum in vivo may be some of the important mechanisms of TP. The results suggested that TP alone or in combination with biocontrol agents has great potential in the commercial management of postharvest diseases of fruits.

References

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Jul 13, 2006·Biochemical and Biophysical Research Communications·Bong Joo ParkKosuke Takatori

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Citations

May 25, 2015·Biotechnology Letters·Xiaoping Yang, Xiaodong Jiang
Mar 3, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Yuheng Yang, Tong Zhang

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