The author analyses the different harmful substances of edible oils, such as rancid oil, overused frying oil and rough oil produced by the oil press without being refined.

• 针对食用油脂中的酸败油脂、反复使用的煎炸油、未经精炼的机榨毛油，分析了它们中所含有的各种有害物质以及对人体健康造成的严重危害。