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HÓA HỌC THỰC PHẨM - CHƯƠNG 7 - CHẤT MÀU TP

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CAÙC CHAÁT MAØU TÖÏ NHIEÂN<br />

Carotenoid<br />

Taïo ra maøu vaøng, cam vaø ñoû<br />

Coù khoaûng hôn 600 loaïi carotenoid toàn taïi trong töï nhieân<br />

38 trong soá ñoù coù hoaït tính tieàn vitamin A<br />

R<br />

R<br />

β - γ - ε - κ - φ - χ - ψ -<br />

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<br />

<br />

Tan trong daàu<br />

Heä noái ñoâi lieân hôïp, khoâng beàn vôùi caùc taùc nhaân<br />

oxy hoaù nhö nhieät ñoä, oxy khoâng khí, aùnh saùng, …<br />

Thöôøng gaëp laø carotene, licopene, xanthophyll

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