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Abstract

Ngoc Linh ginseng or Vietnamese ginseng (Panax vietnamensis Ha et Grushv.) of the Araliaceae family, a endemic plant in Ngoc Linh mountain, is the 20th type of ginseng found in the world (1985). The content of saponin of Ngoc Linh ginseng is much higher than that of other ginsengs in the world such as Panax ginseng (Korean ginseng), anax quinquefolium(American ginseng) and anax notoginseng (Chinese ginseng). Until now, from roots, rhizomes and leaves of Ngoc Linh ginseng, there are 63 saponin which were isolated and determined structures. In addition, polyacetylenes, polyphenols, fatty alcohols and amino acids were also reported. Some of them showed diverse biological activities. In this research, from Ngoc Linh ginseng leaves, six compounds were isolated and structural elucidated by 1D and 2D NMR, MS spectroscopic methods and comparison of the spectral data with those in literature. They were one triterpene, squalene (1), one quinone terpenoid, a-tocopherolquinone (2), two fatty alcohols, tetradecanol (3), docosanol (4) from the -hexane extract and a steroid glycoside, daucosterol (5) and one flavonoid, kaempferol (6) from the methanol extract. All six compounds were reported for the first time from Ngoc Linh ginseng leaves.



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Issue: Vol 5 No 4 (2021): Vol 5, Issue 4: Under publishing
Page No.: Online first
Published: Sep 18, 2021
Section: Original Research
DOI: https://doi.org/10.32508/stdjns.v5i4.1076

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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Le, K., Chu, D., Mai, K., Nguyen, H., Phan, T., Ngo, L., Nguyen, C., Tran, L., & Ton That, Q. (2021). Chemical constituents of Ngoc Linh ginseng leaves (Panax vietnamensis Ha et Grushv.). Science and Technology Development Journal - Natural Sciences, 5(4), Online first. https://doi.org/https://doi.org/10.32508/stdjns.v5i4.1076

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