推荐回答(4个)
植物油是由不饱和脂肪酸和甘油化合而成的化合物,广泛分布于自然界中,是从植物的果实、种子、胚芽中得到的油脂。如花生油、豆油、亚麻油、蓖麻油、菜子油等。植物油的主要成分是直链高级脂肪酸和甘油生成的酯,脂肪酸除软脂酸、硬脂酸和油酸外,还含有多种不饱和酸,如芥酸、桐油酸、蓖麻油酸等。植物油主要含有维生素E、K、钙、铁、磷、钾等矿物质、脂肪酸等。植物油中的脂肪酸能使皮肤滋润有光泽 。
植物油分类:
1.食用植物油脂:人类的膳食中需要保证油脂的含量。如果人体长时期摄入油脂不足,体内长期缺乏脂肪,即会营养不良、体力不佳、体重减轻,甚至丧失劳动能力。食用植物油脂是人类的重要副食品,主要用于烹饪、糕点、罐头食品等,还可以加工成菜油、人造奶油、烘烤油等供人们食用。
2.工业用植物油脂:其用途极为广泛,是肥皂、油漆、油墨、橡胶、制革、纺织、蜡烛、润滑油、合成树脂、化妆品及医药等工业品的主要原料。
3.植物油脂是国际市场上重要商品之一,随着我国改革开放和国民经济发展,进出口植物油脂的品种和数量都在逐年增加。出口植物油有豆油、花生油、菜籽油、棕榈油、蓖麻油等 ,主要输往日本、朝鲜、蒙古、荷兰、俄罗斯等国家。进口植物油有豆油、菜籽油、椰子油、棕榈油、亚麻油、蓖麻油等,主要来自美国、巴西、荷兰、菲律宾、印度、新加坡、马来西亚等国家。
由以上信息可知,植物油是从植物中提取的油脂,而植物油包括食用植物油脂即
食用植物油。
食用植物油的种类很多, 有花生油、菜籽油、大豆油、棉籽油和葵花籽油等.。 花生油是从花生仁中提取的油脂, 有的地方称生油, 一般呈淡黄色或橙黄色, 色泽清亮透明. 花生油沫头呈白色, 大花泡. 具有花生油固有的气味和滋味. 菜籽油是从菜籽中提取的油脂, 习惯称为菜油. 一般生菜籽油呈金黄色, 油沫头发黄稍带绿色, 花泡向阳时有彩色. 具有菜籽油固有的气味, 尝之香中带辣. 大豆油是从大豆中提取的油脂, 亦称豆油. 一般呈黄色或棕色. 豆油沫头发白, 花泡完整, 豆腥味大, 口尝有涩味. 棉籽油是从棉籽中精炼提取的油脂. 一般呈橙黄色或棕色, 沫头发黄, 小碎花泡, 口尝无味. 葵花籽油是从向日葵籽中提取的油脂. 油质清亮, 呈淡黄色或者黄色, 气味芬芳, 滋味纯正。
你可以到淘宝网上找圣基有机植物油,他家油很多种,各国的油都有,,他对油的用法很是了解,你可以去看看
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