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油菜生产在提高产量的同时,对品质的要求越来越受到人们的重视,改善油菜品质已成为发展油菜生产的根本生路。所谓优质油菜,包含的内容较多,如高油分.低纤维素,低亚麻酸等。但当前按国际的通例,主要是指:低含量芥酸的菜籽油及低含量硫代葡萄糖甙的菜籽饼,简称“双低”油菜。菜籽油是甘油与十多种脂肪酸缩合而成的甘油脂。其脂肪酸主要有棕榈酸,亚油酸,油酸,亚麻酸,芥酸等。普通油菜籽合亚油酸约9%,油酸约25%,芥酸约45%。对人体有营养成分的主要是亚油酸和油酸。其碳链较短,分子量较小,是18个碳原子的不饱和脂肪酸,人体吸收快,特别是亚油酸,是合成人体内花生四
Rapeseed production has been paid more and more attentions to the quality requirements while improving the yield. Improving the quality of the rapeseed has become the fundamental way to develop the rapeseed production. The so-called high-quality rape, contains more content, such as high oil, low-cellulose, low-linolenic acid. However, the current international practice, mainly refers to: low content of erucic acid rapeseed oil and low content of glucosinolate rapeseed cake, referred to as “double low ” rape. Rapeseed oil glycerol and more than 10 kinds of fatty acids from the condensation of glycerol. The main fatty acids are palmitic acid, linoleic acid, oleic acid, linolenic acid, erucic acid and so on. About 9% of common rapeseed linoleic acid, oleic acid about 25%, erucic acid about 45%. Nutrients on the human body is mainly linoleic acid and oleic acid. Its short carbon chain, smaller molecular weight, is 18 carbon atoms of unsaturated fatty acids, the body absorbs fast, especially linoleic acid, is the synthesis of human peanut four