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New Hopane Triterpenes and Antioxidant Constituents from Potentilla fulgens

IR@CSIR-IHBT

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Title New Hopane Triterpenes and Antioxidant Constituents from Potentilla fulgens
 
Creator Jaitak, V
Kaul , V K
----,, Himlata
Kumar, Neeraj
Singh , Bikram
Dhar, J
Sharma, O P
 
Subject Natural Product Chemistry
 
Description Phytochemical investigation of the aerial parts of Potentilla fulgens L. led to the isolation of two new triterpenes, potentene A (1) and potentene B (2). In addition, three known compounds afzelchin-4 alpha -> 8 ''-catechin (3), epiafzelchin (4) and rutin (5) were isolated. The structures of all these compounds were elucidated by extensive spectroscopic and chemical evidence. Compounds 3, 4, and 5 exhibited significant 1,1,diphenyl-2-picrylhydrazyl radical scavenging activity, with IC(50) values of 1.21, 2.88 and 5.20 mg/mL, respectively; the known standard antioxidant, vitamin C, had a value of 0.44 mg/mL.
 
Date 2010
 
Type Article
PeerReviewed
 
Identifier Jaitak, V and Kaul , V K and ----,, Himlata and Kumar, Neeraj and Singh , Bikram and Dhar, J and Sharma, O P (2010) New Hopane Triterpenes and Antioxidant Constituents from Potentilla fulgens. Natural Product Communication, 5 (10). pp. 1561-1566.
 
Relation http://ihbt.csircentral.net/641/