Isolation of sterols from sunflower oil deodorizer distillate

被引：30

作者：

Carmona, Maria A. ^{[1
]}

Jimenez, Carlos ^{[2
]}

Jimenez-Sanchidrian, Cesar ^{[1
]}

Pena, Fernando ^{[2
]}

Rafael Ruiz, J. ^{[1
]}

机构：

[1] Univ Cordoba, Dept Quim Organ, E-14071 Cordoba, Spain

[2] SOS Corp Alimentaria SA, Lab Cent Analisis, Alcolea 14610, Spain

来源：

JOURNAL OF FOOD ENGINEERING | 2010年 / 101卷 / 02期

关键词：

Deodorizer distillate; DOD; Sterol; Sunflower oil; PHYTOSTEROLS; PURIFICATION; TOCOPHEROLS; RECOVERY;

D O I：

10.1016/j.jfoodeng.2010.07.004

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A new method for isolating sterols from sunflower oil deodorizer distillate (DOD) was developed. The most salient feature of which is that, unlike most alternatives, it requires no distillation. Briefly, the method uses methanol in the presence of p-toluenesulphonic acid as catalyst to convert free fatty acids and acyl glycerides in DOD into fatty acid methyl esters (FAMES). The resulting glycerin and excess reagents are removed by washing with water and, finally, the product is cooled in the absence of solvents to obtain sterols in 92 +/- 2% purity. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：210 / 213

页数：4

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