Identification of odor-active compounds in the flower of American wisteria (Wisteria frutescens ’Amethyst Falls’)

Key Points

• This research aims to identify the odor-active compounds contributing to the scent of the American wisteria flower 'Amethyst Falls'.
• Utilized headspace sampling techniques including dynamic headspace and twister methods.
• Conducted gas chromatography (GC) analysis and gas chromatography-mass spectrometry (GC/MS) to analyze the collected scents.
• Focused on flowers during their blooming stage.
• Identified major odor-active compounds as 4-mercapto-4-methyl-2-pentanone, linalool, and eugenol.
• Confirmed that these compounds significantly contribute to the flower's green floral scent.