Cold-pressed, so-called virgin vegetable oils are appreciated by consumers because of their typical flavor. By application of the sensomics methodology, the structures of all key aroma compounds in virgin rape oil could be characterized for the first time, among them 2-isopropyl-3-methoxypyrazine (bell pepper-like) as well as (E,E)-2,4- and (E,Z)-2,6-nonadienal (fatty). However, in rapeseed oil, dimethyl sulfide was determined to cause an intensive cabbage-like flavor, which is generated by enzymatical degradation of S-methylmethionine. Among others, hexanal and (E)-2-hexenal were confirmed as important odorants in virgin olive oils of different origin. As part of a cooperation project, positive effects on the regulation of satiation in the human organism could be shown for both compounds for the first time.
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Cold-pressed, so-called virgin vegetable oils are appreciated by consumers because of their typical flavor. By application of the sensomics methodology, the structures of all key aroma compounds in virgin rape oil could be characterized for the first time, among them 2-isopropyl-3-methoxypyrazine (bell pepper-like) as well as (E,E)-2,4- and (E,Z)-2,6-nonadienal (fatty). However, in rapeseed oil, dimethyl sulfide was determined to cause an intensive cabbage-like flavor, which is generated by enzy...
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