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CHEMICAL COMPOSITIONS AND ANTIOXIDATIVE PROPERTIES OF Curcuma zedoaria Berg. FROM VIETNAM

Tran Thi Viet Hoa 1
Tran Thi Phuong Thao 1
Vu Thi Thanh Tam 1
Volume & Issue: Vol. 10 No. 4 (2007) | Page No.: 37-48 | DOI: 10.32508/stdj.v10i4.2771
Published: 2007-04-30

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

Curcuma zedoaria Berg (Zingiberaceae) has long been used as a folk medicine in Vietnam. The essential oils of its fresh and dried rhizomes were isolated by simultaneous steam-distillation. The essential oil and petroleum ether extract were investigated by GC-MS. The petroleum ether extract consisted mainly of sesquiterpenoids: Curzerene (34,27 ± 2,02%), γ-Elemene (15,23 ± 1,25%) while dominated substances in essential oil were γ Elemene ((14,18 ± 1,37)% - (18,79 ± 1,45)%), Curzerene ((14,28 ± 1,99)% - (16,67 ± 2,06)%), Germacrone (22,53 ± 2,18% - (24,28 ± 2,19)%). Antioxidant activities of the prepared essential oils, obtained by Ferric Thyocianate method, were pretty high ((74,8 ± 1,1)% - (77,8 ± 0,7)%) at the concentration of 20mg/ml while petroleum ether extract had highest activities ((61,4 ± 0,80% - (84,5 ± 1,2)%) in the concentration range 5,0-20,0mg/ml. The obtained results showed a remarkable difference in the composition of sesquiterpenoid between Curcuma zedoaria from Vietnam and from other regions.

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