1970 Volume 34 Issue 3 Pages 464-472
A series or γ-and δ-lactones could be found in the thermal oxidative products of normal saturated acids, aldehydes, and alcohols (C9, C10, and C12, respectively) heated at 180°C in the presence of 0.1% KMnO4. Their lactones were identified by gas chromatography, infrared spectroscopy, and mass spectroscopy. And they could be detected also in the volatile compounds occurred by heating of C10 acid, aldehyde, and alcohol mixed with pork fat. So it was expected that lactones in meat fat flavor described in the earlier papers could be secondary products converted from saturated acids, aldehydes, and alcohols formed by oxidative degradation of meat fats. This process was presumed to be one of the mechanisms of the lactone formation.
It was discussed that lactones might he derived through mono or dihydroperoxides of acids, aldehydes, and alcohols.
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