Changes in fatty acids composition during seed growth and physicochemical characteristics of oil extracted from four safflower cultivars

被引：0
|
作者：
A.B. Rahamatalla
E.E. Babiker
A.G. Krishna
A.H. EL Tinay
机构：
[1] East Nile College,Department of Food Science and Technology, Faculty of Agriculture
[2] University of Khartoum,Department of Lipid Technology
[3] Food Research Institute,undefined
来源：
Plant Foods for Human Nutrition | 2001年 / 56卷
关键词：
Fatty acids; Physicochemical characters; Safflower; Seed oil; Sudan;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Fatty acid contents at different stages ofmaturity and physicochemical characteristics of oilextracted from mature seeds of four safflowercultivars (S208, S400, S541, and S303) were studied. Results indicated that for all cultivars bothsaturated and unsaturated fatty acid contentsfluctuated with seed growth and development. Palmiticacid content decreased up to day 20 after which itstarted to increase for the S400, S541, and S303cultivars, while for S208 it progressively decreased.Stearic acid fluctuated with seed growth anddevelopment. Oleic acid showed slight changes withseed growth and development, while linoleic aciddecreased with seed growth and development for theS400, S541, and S303 cultivars while for S208 afterday 30, it started to increase significantly. For allcultivars, glyceride contents varied among thecultivars with maximum values of 97.70, 2.80 and0.20 for tri-, di- and monoglycerides, respectively. Physicochemical investigation of mature seed oilsshowed that the color, density, refractive index, free fatty acids, peroxide value, saponificationvalue and unsaponifiable matter were similar for allcultivars while viscosity, iodine value, and acetoneinsoluble matter varied among the cultivars.
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页码：385 / 395
页数：10
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