Die Bedeutung von Oxidationsprodukten ungesättigter Kohlenwasserstoffe für die sensorischen Eigenschaften von Lebensmittelverpackungen. 1.Mitteilung: Sauerstoffabkömmlinge der 1-Alkene

Investigated were the odor thresholds, gas-chromatographic retention indices, and mass spectra of unbranched 1-alken-3-ones, 1-alken-3-ols, and 2-alkenals. Some of the compounds of these substance classes, e.g., 1-hepten-3-one and 2-nonenal, could be identified as the main components of the odor occasionally given off by polyethylene-containing packaging materials. Because only a few compounds at extremely low concentration are responsible for packaging odor, a correlation between the total amount of volatile trace components or individual unidentified GC peaks and the sensory properties of packaging materials of this type is not reliable.