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Abstract

Introduction: Only chemical study on the lichen Parmotrema dilatatum was found so far in the world. The lichen Parmotrema dilatatum widely distributed in Lam Dong province, Vietnam has been studied about the isolation and elucidation of several metabolites.


Methods: Phytochemical study on the polar fractions of this lichen was carried out by using various chromatographic methods including thin-layer chromatography and normal phase silica gel chromatography.


Results: Eight phenolic compounds were isolated. The chemical structures of isolated compounds were unambiguously elucidated by NMR spectroscopy and comparison with the data in the literature. These are 8'-O-methylsalazinic acid, salazinic acid, 8'-O-methylprotocetraric acid, diffractaic acid, lecanorin, lecanoric acid, isolecanoric acid, and diorcinolic acid.


Conclusion: Among them, 8'-O-methylsalazinic acid was found as a new natural product.


 



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Article Details

Issue: Vol 22 No 1 (2019): Under publishing
Page No.: 114-119
Published: Jan 26, 2019
Section: Health Sciences - Research article
DOI: https://doi.org/10.32508/stdj.v22i1.1010

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Creative Commons License

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
Duong, H. (2019). Phenolic compounds from Pamotrema dilatatum growing in Lam Dong province. Science and Technology Development Journal, 22(1), 114-119. https://doi.org/https://doi.org/10.32508/stdj.v22i1.1010

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