Romanian Society of Pharmaceutical Sciences

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VOLATILE CONSTITUENTS FROM THE FLOWERS OF TWO SPECIES OF HONEYSUCKLE (LONICERA JAPONICA AND LONICERA CAPRIFOLIUM)

DIANA-CAROLINA ILIEŞ1, VALERIA RĂDULESCU*1, LIGIA DUŢU2

1.Department of Organic Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy “Carol Davila”, 6 Traian Vuia, Bucharest 020956, Romania
2.Department of Pharmacognosy, Faculty of Pharmacy, University of Medicine and Pharmacy “Carol Davila”, 6 Traian Vuia, Bucharest 020956, Romania

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The aim of this paper was to evaluate the chemical composition of volatile oil isolated from the flowers of Lonicera japonica and Lonicera caprifolium cultivated in Romania. One oil sample from Lonicera caprifolium and two oil samples from Lonicera japonica obtained by hidrodistillation were analysed by gas chromatography - mass spectrometry (GC-MS). The main compounds found belong to sesquiterpene hydrocarbons (germacrene D 11.26 - 33.09%) and sesquiterpene alcohols (farnesol 26.16 - 50.98%, nerolidol 1.28 - 2.63%, α-cadinol 0.68 - 2.86%). The monoterpene alcohol linalool was identified in our samples from 1.93% in Lonicera caprifolium oil to 11.64% in Lonicera japonica oil. Other quantitatively important compounds were the esters: 3-hexenyl tiglate 2.62 - 6.79%, 3-hexenyl benzoate 0.57 - 5.24%, farnesyl acetate 0.11 - 5.23%. Cis-jasmone was detected in reduced, but apreciable quantities (0.58 - 0.85%) in oil samples from Lonicera japonica.