CHEMICAL COMPOSITION OF ESSENTIAL OIL FROM THE LEAVES AND BRANCHES OF  TAIWANIA CRYPTOMERIOIDES HAYATA  IN LAO CAI PROVINCE

Trần Huy Thái; Nguyễn Thị Hiền; Đinh Thị Thu Thủy; Đào Việt Hùng; Vũ Thị Thu Lê

doi:10.34238/tnu-jst.5228

CHEMICAL COMPOSITION OF ESSENTIAL OIL FROM THE LEAVES AND BRANCHES OF TAIWANIA CRYPTOMERIOIDES HAYATA IN LAO CAI PROVINCE

About this article

Received: 03/11/21 Revised: 29/11/21 Published: 30/11/21

Authors

1. Tran Huy Thai, Institute of Ecology and Biological Resources – VAST
2. Nguyen Thi Hien, Institute of Ecology and Biological Resources – VAST
3. Dinh Thi Thu Thuy, Institute of Natural Products Chemistry – VAST
4. Dao Viet Hung, TNU – University of Agriculture and Forestry
5. Vu Thi Thu Le , TNU – University of Agriculture and Forestry

Abstract

The essential oils from the leaves and branches of the Taiwania cryptomerioides was collected in Van Ban district, Lao Cai province, Vietnam and was obtained by steam distilation and the yield of essential oils was 0.14% and 0.18% from air-dry material. It is pale yellow and lighter than water. By using GC/MS analysis, there are 47 constituents from leaves were identified and accounting 97.37% of essential oil. The main constituents were α-pinene (36.84%), limonene (27.04%), α-terpinyl acetate (3.44%), spathulenol (3.48%) and δ-cadinene (1.83%); there are 44 constituents from branches were identified and accounting 97.41% of essential oil. The main constituents were α-pinene (44.24%), limonene (27.19%), α-terpinyl acetate (2.64%), spathulenol (2.58%), epi-α-cadinol (1.34%). This is the first study on the chemical constituents of essential oils from the leaves and branches of Taiwania cryptomerioides in Vietnam.

Keywords

Oil; Taiwania; Cryptomerioides Hayata; α-pinene; Limonene; α-terpinyl acetate; Lao Cai

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DOI: https://doi.org/10.34238/tnu-jst.5228

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