HÓA HỌC THỰC PHẨM - CHƯƠNG 2 - LIPID - TÔN NỮ MINH NGUYỆT
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2. Seride - saùp<br />
<strong>LIPID</strong> ÑÔN GIAÛN<br />
Ñònh nghóa<br />
Seride laø ester cuûa a. beùo baäc cao vaø caùc röôïu ñôn chöùc cao<br />
phaân töû (R = 27 – 33)<br />
R 1<br />
COOH + HOR 2 R 1<br />
COOR 2 + H 2<br />
O<br />
R1: a. palmitic, serotic, montanic, melisic,…<br />
R2: röôïu serilic, monanilic, miricilic,…<br />
Cetyl alcohol C 16 H 33 OH<br />
Stearyl alcohol C 18 H 37 OH<br />
Oleyl alcohol C 18 H 35 OH<br />
Saùp töï nhieân:<br />
50% caùc ester<br />
50% röôïu cao phaân töû, acid beùo cao phaân töû,<br />
carbua hydro, caùc chaát maøu muøi,…<br />
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