Determination of Volatile Components of Citrus Flowers and Leaves Growing in Hatay, Türkiye
2024
Şirin Dönmez
Species belonging to the genus Citrus are produced and traded in large amounts around the world. In addition to the consumption of citrus fruits as food due to their high vitamin C content, their use in many areas has become widespread with the development of the plant-based products industry. In this study, the amount and structure of volatile components of leaves and flowers of 5 different citrus species (Citrus aurantium, Citrus limon, Citrus paradisi, Citrus reticulata, and Citrus sinensis) were determined using the solid phase micro extraction. Monoterpene hydrocarbons and their oxygenated derivatives were identified as the most abundant chemical component groups. Limonene was the dominant compound in Citrus limon flowers (36.5%), leaves (22.5%) and Citrus paradisi flowers (22.4%). Linalool, and sabinene were the other major components. Linalool was determined at 50.5% in flowers and 73.3% in leaves of Citrus aurantium. Moreover, sabinene had a high amount in Citrus sinensis flowers (19.7%), leaves (24.7%), and in Citrus paradisi (27.4%) leaves. Apart from these dominant components, γ-terpinene (13.9%) and p-cymene (25.4%) were detected in Citrus reticulata flowers and leaves in an important amount. It was seen that the leaves and flowers of Citrus species gathered from Hatay province were an important source of limonene and linalool compounds.
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