第三章 食用油脂掺伪鉴别检验
DESCRIPTION
第三章 食用油脂掺伪鉴别检验. 第一节 食用植物油脂的种类. 豆油 : 以大豆为原料,经预处理、蒸炒、压榨、过滤、精炼等工序制成的食用油脂。 大豆油中含 棕榈酸 7-10% ,硬脂酸 2-5% ,花生酸 1-3% ,油酸 22-30% ,亚油酸 50-60 ,亚麻油酸 5-9% 。大豆油的脂肪酸构成较好,它含有丰富的亚油酸,有显著的降低血清胆固醇含量,预防心血管疾病的功效,大豆中还含有多量的 维 生素 E 、维 生素 D 以及丰富的卵磷脂,对人体健康 均非常 有益。. 花生油: 优质花生油色泽淡黄至棕黄色,清晰透明,具有花生油固有的香味和滋味,无任何异味 . - PowerPoint PPT PresentationTRANSCRIPT
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