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passiflora_edulis [2018/08/30 12:59]
andreas
passiflora_edulis [2020/06/23 09:36] (aktuell)
andreas
Zeile 8: Zeile 8:
 3-Methylthio-hexanol as well as (Z) and (E)-2-methyl-4-propyl-1,3-oxathiane were identified as character impact compounds in a flavor concentrate of the yellow passion fruit of Hawaiian origin. \\ 3-Methylthio-hexanol as well as (Z) and (E)-2-methyl-4-propyl-1,3-oxathiane were identified as character impact compounds in a flavor concentrate of the yellow passion fruit of Hawaiian origin. \\
 [Identification and synthesis of two new organic sulfur compounds from the yellow passion fruit (Passiflora edulis f. flavicarpa)., Winter, M., Furrer, A., Willhalm, B., Thommen, W., Helvetica Chimica Acta, 59(5), 1976, 1613-1620] [Identification and synthesis of two new organic sulfur compounds from the yellow passion fruit (Passiflora edulis f. flavicarpa)., Winter, M., Furrer, A., Willhalm, B., Thommen, W., Helvetica Chimica Acta, 59(5), 1976, 1613-1620]
 +
 +The strikingly fresh-fruity ethyl (Z)‐4,7‐octadienoate and (Z)‐3,5‐hexadienyl butyrate are important aroma constituents of the purple passionfruit. \\
 +[Winter, Max, et al. "(Z)‐4,7‐Octadiensäure‐äthylester und (Z)‐Buttersäure‐3,5‐hexadienylester, zwei neue Aromastoffe der roten Passionsfrucht." Helvetica Chimica Acta 62.1 (1979): 135-139]
  
 Enantioselective synthesis starting form (E)-2-hexenol showed that (+)- and (-)-(Z)-2-methyl-4-propyl-1,3-oxathiane exhibit different organoleptic properties. Whereas the (+)-enantiomer had a estery-camphoraceous-flowery type odor, (-)-(Z)-2-methyl-4-propyl-1,3-oxathiane smelled powerful sulfury, tropical-fruit-like (th 4ppm). \\ Enantioselective synthesis starting form (E)-2-hexenol showed that (+)- and (-)-(Z)-2-methyl-4-propyl-1,3-oxathiane exhibit different organoleptic properties. Whereas the (+)-enantiomer had a estery-camphoraceous-flowery type odor, (-)-(Z)-2-methyl-4-propyl-1,3-oxathiane smelled powerful sulfury, tropical-fruit-like (th 4ppm). \\
passiflora_edulis.txt · Zuletzt geändert: 2020/06/23 09:36 von andreas