Discoloration Mechanisms of Natural Rubber and Its Control

被引：10

作者：

Lv, Mingzhe ^{[1
,2
,3
]}

Fang, Lei ^{[3
]}

Yu, Heping ^{[3
]}

Rojruthai, Porntip ^{[4
]}

Sakdapipanich, Jitladda ^{[1
,2
]}

机构：

[1] Mahidol Univ, Fac Sci, Dept Chem, Salaya Campus, Phutthamonthon 73170, Nakhon Pathom, Thailand

[2] Mahidol Univ, Fac Sci, Ctr Excellence Innovat Chem, Salaya Campus, Phutthamonthon 73170, Nakhon Pathom, Thailand

[3] Chinese Acad Trop Agr Sci, Inst Agr Prod Proc Res, Zhanjiang 524001, Peoples R China

[4] King Mongkuts Univ Technol North Bangkok, Fac Sci Energy & Environm, Div Chem Ind Proc & Environm, Rayong 21120, Thailand

来源：

POLYMERS | 2022年 / 14卷 / 04期

关键词：

natural rubber; discoloration; color substances; enzymatic browning; polyphenol oxidase; Maillard reaction; HEVEA-BRASILIENSIS; POLYPHENOL OXIDASE; CARBONYL-COMPOUNDS; LATEX; APPLE; INHIBITION; PURIFICATION; CYSTEINE; PHENOLS; SYSTEMS;

D O I：

10.3390/polym14040764

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

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.

引用

页数：14

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