Characterization of a pericarp browning related LACCASE 14-4 from longan fruit with a focus on (epi)catechin oxidative polymerization

Bin Liu,Qiunan Zhu,Xianfang Zhou,Xuelian Zhang, Zhaoxia Dang, Shuxing Liang,Ganting Li,Zhaoqi Zhang,Fang Fang,Xuequn Pang

Postharvest Biology and Technology（2022）

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摘要

•Longan pericarp ontains high activity of browning related laccases (LACs).•LAC14-4 was purified from the pericarp and showed high activity to epicatechin.•LAC14-4 catalyzes (epi)catechin polymerization in vitro.•LAC14-4 is located in the vacuole and endoplasmic reticulum of the mesocarp cells.

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关键词

Longan,Pericarp browning,Laccase,(−)-Epicatechin,Oxidative polymerization

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