tailieunhanh - Báo cáo " A new natural source of Camphor from Cinnamomum longepetiolatum Costerm. apud Phamh. in Vietnam "

Essential oil of Cinnamomum longepetiolatum Costerm. apud Phamh. Obtained by hydro distillation. The essential oil yield was in fresh leaves. The chemical composition of this oil was study by GC and GC/MS. Twelve compounds were identified representing of this oil with camphor as major constituent (). Eleven other compounds were found with lower content. The results of this study shows that Cinnamomum longepetiolatum Costerm. apud Phamh. was a new natural source of camphor in Vietnam. . | VNU Journal of Science Natural Sciences and Technology 24 2008 211-213 A new natural source of Camphor from Cinnamomum longepetiolatum Costerm. apud Phamh. in Vietnam Tran Dinh Thang 1 Do Ngoc Dai 1 Do Quang Huy2 Nguyen Xuan Dung2 1Vinh University Hung Dung Vinh Nghe An College of Science VNU 334 Nguyen Trai Hanoi Vietnam Received 5 March 2007 Abstract. Essential oil of Cinnamomum longepetiolatum Costerm. apud Phamh. Obtained by hydro distillation. The essential oil yield was in fresh leaves. The chemical composition of this oil was study by GC and GC MS. Twelve compounds were identified representing of this oil with camphor as major constituent . Eleven other compounds were found with lower content. The results of this study shows that Cinnamomum longepetiolatum Costerm. apud Phamh. was a new natural source of camphor in Vietnam. Keywords Cinnamomum longepetiolatum Lauraceae Essential oil camphor. 1. Introduction Lauraceae farmily has about 45 genera and 2000-2500 species distributed in tropical and subtropical regions of the world but mostly in tropical Southeastern Asia and Neotropical America. This family was very important in the economic use because it contains much more economic trees such as Cinnamomum camphora C. parthenoxylon C. glanduliferum etc. all yield camphor and essential oil which was the source for perfume and useful natural resources for terpenes which were commercially important chemicals in the flavor fragrances and pharmaceutical industries. The fruits of Cinnamomum Litsea Lindera Corresponding author. Tel. 84-4-8583905. E-mail huydq@ Syndiclis Cryptocarya Actinodaphne contain abundant oil and fat which ware very useful for industry. The timber of Cinnamomum Phoebe and other genera was very valuable. The bark of Cinnamomum cassia and the root of Lindera aggregata were the famous drug in traditional medicine. The fruit of Persea americana is a kind of nutritious fresh fruit. The leaves of Laurus nobilis Cinnamomum .