Effect of Chitosan on ROS Metabolism and Post-harvest Preservation in Fresh Tremella fuciformis

doi:10.16333/j.1001-6880.2015.10.013

Abstract

Abstract: The effects of chitosan treatment on the disease resistance,the content of the active oxygen metabolism of Fresh Tremella fuciformis were investigated.Fresh T.fuciformis were treated with 0.3% chitosan.The results showed that chitosan processing significantly reduced disease index of fresh T.fuciformis (P<0.05); O₂^-·, H₂O₂ and ASA content was increased in the early storage;PPO,SOD,CAT,APX,PPO activity was enhanced,only POD activity was decreased by treatment.In conclusion,chitosan treatment can eliminate reactive oxygen species (ROS),enhance disease resistance and delay the ripening and senescence in fresh T.fuciformis.

Key words: chitosan, fresh Tremella fuciformis, preservation, reactive oxygen species metabolism

CLC Number:

TS253.3

LUO Yang1, YANG Yong1,3*, WU Zheng1, DENG Li-li2, CHEN Gang1, TAN Hong-jun1,3, ZHAN Yong1, SHI Wen-juan3. Effect of Chitosan on ROS Metabolism and Post-harvest Preservation in Fresh Tremella fuciformis[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2015, 27(10): 1753-1758.

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Effect of Chitosan on ROS Metabolism and Post-harvest Preservation in Fresh Tremella fuciformis

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