一、油 1、食用油:食用植物油按其精制的程度一般分为二级油、一级油、高级烹调油和色拉油四个等级。二级油是仅仅经“脱胶”处理的油脂产品。颜色深、油烟大、酸价高,是我国正在淘汰的油品。一级油是经过“脱胶”、“脱色”、“脱酸”的产品,虽比二级油好,但色泽深黄,油烟仍大, First, the oil 1, edible oil: edible vegetable oil refined according to their level generally divided into two oil, an oil, cooking oil and salad oil four levels. Secondary oils are grease products that have been “degummed” only. Deep color, large fumes, high acid value, is China’s oil products are being eliminated. A grade of oil is “degumming”, “bleaching”, “deacidification” of the product, although better than the secondary oil, but the color dark yellow, fumes are still large,