食用油的质量主要表现在色泽、气味、透明度、滋味等各个方面,鉴别油的优劣可以从看、闻、听、尝、问五个方面入手。色泽品质好的豆油为深黄色;菜籽油为黄中带点绿或金黄色;花生油为淡黄色或浅橙色;色拉油呈透明、无色或淡黄色。如果生产过程中加入了色素或杂质等,油品颜色就会改变。气味用手指沾一点油,抹在手掌心,搓后闻其气味,品质好的油,应 The quality of edible oil is mainly manifested in various aspects such as color, smell, transparency, taste and so on. Identifying the pros and cons of oil can start with the following five aspects: seeing, smelling, hearing, tasking and asking. Good color and quality of soybean oil is dark yellow; rapeseed oil yellow or green with a little yellow; peanut oil is light yellow or light orange; salad oil was transparent, colorless or light yellow. If the production process by adding pigments or impurities, oil color will change. Smell a little finger oil, wipe in the palm of your hand, smell the smell after rubbing, good quality oil should be