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IJC-B Vol.49B [2010] >
IJC-B Vol.49B(06) [June 2010] >


Title: Constituents of Nepeta clarkei Hook.f. and their antioxidant activity
Authors: Bisht, D S
Padalia, R C
Joshi, S C
Tewari, A
Mathela, C S
Keywords: Nepeta clarkei
Lamiaceae
coleon U 12-methyl ether
p-benzochinone
labda-14-en-8,13-diol
ursolic acid
-sitosterol
stigmasterol
Issue Date: Jun-2010
Publisher: CSIR
Abstract: Three diterpenoids p-benzochinone, labda-14-en-8,13-diol, coleon U 12-methyl ether, a triterpenoid ursolic acid and two sterols have been isolated and identified from the roots of Nepeta clarkei Hook.f. The antioxidant activities of four isolates have also been determined, of which, coleon U 12-methyl ether and p-benzochinone have shown good DPPH scavenging activity with IC50 value 0.045 mg/mL and 0.059 mg/mL, respectively.
Page(s): 807-811
Source:IJC-B Vol.49B(06) [June 2010]

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