trans,trans-2,4-ヘプタジエナール 化学特性,用途語,生産方法
外観
うすい黄色～褐色透明液体
説明
2,4-Heptadienal retards or prevents the development of "off-flavors" in auto-oxidizing fats and oils. May be prepared by reduction
with LiAlH4 of the dienoic acid prepared by the Doebner synthesis,
followed by oxidation with Mn02 of the resulting dienol to the
corresponding dienol; by the method of Marshall and Whiting.
化学的特性
clear yellow liquid
天然物の起源
Reported found as a volatile component in boiled chicken, in peas by enzymatic formation from lipids, as the odorous component in Vaccinium macrocarpon; additional products in which 2,4-heptadienal has been reportedly identifed include soybean oil, black-tea aroma (trans- and cis-form); bilberry aroma (Vaccinium myrtillus); frozen peas, sunfower oil, autooxidized lard, salted salmon, sturgeon caviar and salmon roe; the trans,trans-form has been reported found among the volatile favor components of potato chips and tomato Also reported found in natural sources including cranberry, guava, melon, blackberry, avocado, cabbage, raw or cooked potato, tomato, butter, lean fsh, smoked fsh, chicken fat, cooked chicken, beef fat, tea, cooked beef, lamb and pork, peanut oil, peanut butter, mango, caulifower, broccoli, tamarind, fgs, corn tortillas, lemon balm, oysters, crayfsh, clams, mate and Virginia tobacco
定義
ChEBI: A heptadienal in which the two double bonds are located at positions 2 and 4 (the E,E-geoisomer).
一般的な説明
2,4-Heptadienal is a specific marker of oxidative rancidity. It is also a potential algal metabolite.
trans,trans-2,4-ヘプタジエナール 上流と下流の製品情報
原材料
準備製品