alexa Quinic acid derivatives from Pimpinella brachycarpa exert anti-neuroinflammatory activity in lipopolysaccharide-induced microglia.


Journal of Plant Biochemistry & Physiology

Author(s): Lee SY, Moon E, Kim SY, Lee KR

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Abstract Five new quinic acid derivatives (1-5), together with 10 known quinic acid derivatives (6-15), were isolated from the MeOH extract of Pimpinella brachycarpa (Umbelliferae). Their structures were established on the basis of spectroscopic analyses including extensive 2D NMR studies (COSY, HMQC and HMBC). Isolated compounds 1-15 were evaluated for their inhibitory activities on nitric oxide (NO) production in an activated murine microglial cell line. Compounds 2, 3, 8 and 11 significantly inhibited NO production without high cell toxicity in lipopolysaccharide (LPS)-activated BV-2 cells, a microglia cell line (IC50=4.66, 12.52, 9.04 and 12.11 μM, respectively). Copyright © 2013 Elsevier Ltd. All rights reserved. This article was published in Bioorg Med Chem Lett and referenced in Journal of Plant Biochemistry & Physiology

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