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HÓA HỌC THỰC PHẨM - CHƯƠNG 7 - CHẤT MÀU TP

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MAØU TAÏO THAØNH TRONG QUAÙ TRÌNH CHEÁ BIEÁN<br />

Phaûn öùng oxy hoaù Polyphenol<br />

Cô chaát phenol - chöùa voøng benzen coù 1 hay nhieàu nhoùm OH<br />

OH<br />

OH<br />

HO<br />

CH 2 CH COOH<br />

NH HO<br />

2<br />

[1] Pyrocatechol [2] Dihydroxyphenylalanin<br />

HO<br />

OH<br />

HO<br />

CH 2 CH 2<br />

NH 2<br />

OH<br />

HO<br />

COOH<br />

[3] Dihydroxyphenyl [4] Acid galic

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