Discoloration Mechanisms of Natural Rubber and Its Control

文献类型: 外文期刊

第一作者: Lv, Mingzhe

作者: Lv, Mingzhe;Sakdapipanich, Jitladda;Lv, Mingzhe;Sakdapipanich, Jitladda;Lv, Mingzhe;Fang, Lei;Yu, Heping;Rojruthai, Porntip

作者机构:

关键词: natural rubber; discoloration; color substances; enzymatic browning; polyphenol oxidase; Maillard reaction

期刊名称:POLYMERS ( 影响因子:4.967; 五年影响因子:5.063 )

ISSN:

年卷期: 2022 年 14 卷 4 期

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收录情况: SCI

摘要: Color is an important indicator for evaluating the quality of natural rubber (NR). Light-colored standard rubbers are widely used in high-grade products and have high economic value. This paper first introduces the history and test standards of the standard light-colored rubber. The origin of color deepening in NR processing, color substances, and its biosynthetic pathway are reviewed. Then, the discoloration mechanism of NR is studied from the perspectives of enzymatic browning (caused by polyphenol oxidase and polyphenols) and non-enzymatic browning (including Maillard reaction and lipid oxidation). Finally, the strategies to control the discoloration of NR will be described.

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