目前市场上存放食油的容器多为金属桶、玻璃瓶、塑料桶等。有关专家提出,用金属容器最安全,既不进氧又不进光,油不易被氧化;而玻璃瓶、塑料桶在这方面都有欠缺,尤其是塑料桶装油,非常容易被氧化,并可生成有毒物质。另外,用不同的容器存放食用油的保质期也不相同,一般采用金属桶 Currently on the market for cooking oil containers are mostly metal barrels, glass bottles, plastic barrels and so on. Experts said that the safest use of metal containers, neither into the oxygen and not light, the oil is not easily oxidized; and glass bottles, plastic buckets in this area are lacking, especially in plastic barrels of oil, very easy to be oxidized, and Can produce toxic substances. In addition, the shelf life of edible oil stored in different containers are not the same, the general use of metal barrels