HÓA HỌC THỰC PHẨM - CHƯƠNG 7 - CHẤT MÀU TP
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CAÙC CHAÁT MAØU TÖÏ NHIEÂN<br />
Carotenoid<br />
Thöïc vaät<br />
Dieäp luïc cuûa moâ xanh, che laáp bôûi chorophyll<br />
Haøm löôïng carotenoid haàu nhö gioáng nhau ôû caùc loaïi laù<br />
β-carotene 25 – 30% toång löôïng<br />
lutein 45%<br />
violaxanthin 15%<br />
neoxanthin 15%<br />
α-carotene, α vaø β-cryptoxanthin, zeaxanthin,<br />
atheraxanthin, lutein-5,6-epoxdide,…<br />
Trong caùc moâ thöôøng khoâng coù phaûn öùng quang hôïp<br />
taïo ra maøu vaøng, cam vaø ñoû cho hoa traùi
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