1-Methylcyclopropene Inhibits Postharvest Browning of Lentinus edodes by Regulating Energy Metabolism

doi:10.7506/spkx1002-6630-20211217-202

FOOD SCIENCE ›› 2022, Vol. 43 ›› Issue (13): 192-198.doi: 10.7506/spkx1002-6630-20211217-202

• Packaging & Storage • Previous Articles

1-Methylcyclopropene Inhibits Postharvest Browning of Lentinus edodes by Regulating Energy Metabolism

HUANG Xinli, HAN Yanchao, CHEN Hangjun, FANG Xiangjun, WU Weijie, LIU Ruiling, GAO Haiyan

(Key Laboratory of Post-harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Key Laboratory of Postharvest Preservation and Processing of Fruits and Vegetables, China National Light Industry, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China)

Published:2022-07-27

Abstract

Abstract: This study investigated the effect of 1-methylcyclopropene (1-MCP) treatment on the browning and energy metabolism of Lentinus edodes, and explored the relationship between energy metabolism and browning in order to provide a theoretical basis for the development of postharvest preservation technologies for Lentinus edodes. The effects of 1-MCP fumigation at three concentrations of 0.25, 0.50 and 0.75 mg/L on the color and respiration and energy metabolism related enzyme activities of postharvest Lentinus edodes were studied. It was shown that 1-MCP could effectively reduce the browning degree of Lentinus edodes cap. After 1-MCP treatment, the respiration of Lentinus edodes was inhibited, and the respiratory intensity decreased. At the same time, 1-MCP treatment could inhibit the increase in polyphenol oxidase (PPO) activity. The energy charge level of 1-MCP-treated Lentinus edodes increased significantly during storage, and the fruiting bodies maintained high succinate dehydrogenase (SDH) activity, cytochrome c oxidase (CCO) activity and adenosine triphosphatase (ATPase) activity. Based on the experimental results, we conclude that 1-MCP can delay the browning of Lentinus edodes cap by regulating the respiration of Lentinus edodes, reducing PPO activity, maintaining the energy level of the fruiting bodies and affecting the enzyme activities related to energy metabolism.

Key words: Lentinus edodes; 1-methylcyclopropene; browning; energy metabolism

CLC Number:

TS205.9

HUANG Xinli, HAN Yanchao, CHEN Hangjun, FANG Xiangjun, WU Weijie, LIU Ruiling, GAO Haiyan. 1-Methylcyclopropene Inhibits Postharvest Browning of Lentinus edodes by Regulating Energy Metabolism[J]. FOOD SCIENCE, 2022, 43(13): 192-198.

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1-Methylcyclopropene Inhibits Postharvest Browning of Lentinus edodes by Regulating Energy Metabolism

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