tailieunhanh - Báo cáo " Chemical composition of the leaf oil of Litsea glutinosa (Lour.) C. B. Rob. from Ha Tinh province "

VNU Journal of Science, Natural Sciences and Technology 26 (2010) 161-164 Fresh leaves of Litsea glutinosa (Lour.) C. B. Rob. from Ha Tinh were steam distilled to produce an oil in yield. The essential oil was analysis by a combination of capillary GC and GC/MS. Seventy eight compounds were detected in the oil, of which more than were terpenoids. The major components were (E)-β-ocimene (), β-caryophyllene () and bicyclogermacrene (). | VNU Journal of Science Natural Sciences and Technology 26 2010 161-164 Chemical composition of the leaf oil of Litsea glutinosa Lour. C. B. Rob. from Ha Tinh province Nguyen Thi Hien1 Tran Dinh Thang2 Do Ngoc Dai3 Tran Huy Thai3 1 Faculty of Biology Vinh University 182 Le Duan Vinh Nghe An Vietnam Faculty of Chemistry Vinh University 182 Le Duan Vinh Nghe An Vietnam 3 Institute of Ecology and Biological Resources Vietnamese Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam Nhận ngày 1 tháng 3 năm 2010 Abstract. Fresh leaves of Litsea glutinosa Lour. C. B. Rob. from Ha Tinh were steam distilled to produce an oil in yield. The essential oil was analysis by a combination of capillary GC and GC MS. Seventy eight compounds were detected in the oil of which more than were terpenoids. The major components were E -P-ocimene P-caryophyllene and bicyclogermacrene . Keywords Litsea glutinosa Lauraceae essential oil composition E -P-ocimene P-caryophyllene bicyclogermacrene. 1. Introduction The genus Litsea is a member of the Lauraceae and comprises more than 400 species which are distributed widely throughout tropical and subtropical Asia Australia North America to subtropical South America 73 species have been recorded in China most of them located in south and southwest warm regions 1 45 species have been found in Vietnam until now 2 . Litsea glutinosa is an evergreen mediumsized tree. Its barks and leaves are used as a demulcent and mild astringent for diarrhea and dysentery the roots are used for poulticing Corresponding author. Tel. 84-38-3855697. E-mail daidn23@ sprains and bruises and the oil extracted from the seeds is used in the treatment of rheumatism 3 . Some psychopharmacological actions of the essential oil of Litsea glutinosa Lour. C. B. Rob. have been studies by Menon K. M. et al. 4 . Effect of essential oil of Litsea glutinosa Lour. C. B. Rob. on cardiovascular system and isolated tissues have been .