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[Sesquiterpene hydrocarbons from grapes (author's transl)]
Zeitschrift Fur Lebensmittel-Untersuchung Und -Forschung
|January 1, 1976
Summary
Researchers identified 14 key sesquiterpene hydrocarbons in grape aroma using advanced chromatography and mass spectrometry. These compounds contribute significantly to the overall scent profile of grapes.
Area of Science:
- * Organic Chemistry: Focuses on the identification and characterization of volatile organic compounds.
- * Analytical Chemistry: Employs advanced separation and detection techniques for complex mixtures.
Context:
- * Grape aroma is a complex mixture influenced by various volatile compounds.
- * Sesquiterpene hydrocarbons are known contributors to the characteristic scents of fruits and plants.
Purpose:
- * To identify and quantify the specific sesquiterpene hydrocarbons present in grape aroma extracts.
- * To utilize gas chromatography-mass spectrometry (GC-MS) for detailed chemical analysis.
Summary:
- * Column chromatography and preparative gas chromatography were used to isolate compounds from grape aroma.
- * Gas chromatography-mass spectrometry identified 14 distinct sesquiterpene hydrocarbons, including alpha-copaene, beta-caryophyllene, and alpha-farnesene.
- * The identified compounds represent a significant portion of the grape's volatile aroma profile.
Impact:
- * Provides a detailed chemical profile of grape aroma, aiding in varietal characterization.
- * Contributes to the understanding of flavor chemistry in viticulture and enology.
- * Establishes a foundation for future research into aroma biosynthesis and manipulation.