Edible oils-rapeseed oil, soybean oil and peanut oil are heated in air at 270-280 ℃respectively. The volatile condensates are collected and analyzed by means of GC/MS. Eithercrotonaldehyde or 2-methylacrolein is foun...Edible oils-rapeseed oil, soybean oil and peanut oil are heated in air at 270-280 ℃respectively. The volatile condensates are collected and analyzed by means of GC/MS. Eithercrotonaldehyde or 2-methylacrolein is found respectively in the condensates of rapeseed oil andsoybean oil. Neither crotonaldehyde nor 2-methylacrolein is found in the condensates of peanut oil.Mechanism of formation of crotonaldehyde is discussed.展开更多
文摘Edible oils-rapeseed oil, soybean oil and peanut oil are heated in air at 270-280 ℃respectively. The volatile condensates are collected and analyzed by means of GC/MS. Eithercrotonaldehyde or 2-methylacrolein is found respectively in the condensates of rapeseed oil andsoybean oil. Neither crotonaldehyde nor 2-methylacrolein is found in the condensates of peanut oil.Mechanism of formation of crotonaldehyde is discussed.