Preliminary studies on Amomum species in Ninh Thuan province

ABSTRACT

Two samples Amomum from NinhThuan were investigated. They were identified as Amomum thyrsoideum Gagnep. and Amomum longiligulare T.L. Wu. The leaf-oils and fruit-oils from two varitae were analysed by GC/MS. 14 compounds were detected in the leaf-oils and 19 in the fruit-oils. The main components in the leaf-oils, from A. thyrsoideum were cis-Ocimene (39.03%) and -Pinene (41.55%), from A. longiligulare were -Pinene (22.50%) and -Pinene (61.77%). The main components of the fruit-oils were camphor (34.29-35.77% and 44.46%) and bornyl acetate (41.22-43.25%, and 26.62%). The fruits from the two varieties are rich on essential oil. The amount of oil were 3.0-3.75%