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优质油菜,是指菜籽油和菜饼的品质都比普通油菜优良的油菜。目前,优质油菜主要是指“单低”和“双低”油菜。菜籽油中芥酸含量低的油菜或菜饼中硫代葡萄糖甙含量低的油菜,简称为“单低”油菜。菜籽油中的芥酸和菜饼中的硫代葡萄糖甙含量均低的油菜,简称为“双低”油菜。芥酸和硫代葡萄糖甙含量低到什么程度才算达到优质油菜的标准呢?按照国内外规定:菜籽油中的芥酸含量低于3％(普通油菜的芥酸含量高达40％～50％),或每克菜饼中的硫代葡萄糖甙含量低于30微摩尔(普
High-quality rape, rapeseed oil and vegetable cakes are better than the average quality of rapeseed. At present, prime rape mainly refers to “single low” and “double low” rape. Rapeseed oil in low erucic acid content of rapeseed or vegetable cake in low glucosinolate rape, referred to as “single low” rape. Rapeseed oil in rapeseed oil and vegetable cake in the low glucosinolate content of rape, referred to as “double low” rape. Erucic acid and glucosinolates content is low to what extent is the standard to achieve high-quality rape? In accordance with domestic and international regulations: rapeseed oil content of less than 3% (ordinary rape erucic acid content of up to 40% ~ 50 %), Or glucosinolate content per gram of cake less than 30 micromolar (Pu