H2O2 significantly accelerated pericarp browning of harvested longan fruit.
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H2O2 significantly reduced activities of SOD, CAT and APX in longan pericarp.
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H2O2 significantly decreased contents of AsA, GSH and carotenoid in longan pericarp.
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H2O2 significantly increased rate of O2radical dot− production and MDA content in longan pericarp.
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H2O2-induced browning of longan pericarp due to reducing capacity of scavenging ROS