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Title: Sterols and flavonol glycosides from Melothria purpusila
Authors: Langoljam, Reena D
Kongbrailatpam, Brajeshwari D
Laitonjam, Warjeet S
Issue Date: Jun-2005
Publisher: CSIR
IPC Code: Int.Cl.7 C 07 A 61 K 35/00
Abstract: Two sterols have been isolated from the chloroform extract of Melothria purpusila and are widely used in Manipur for curing jaundice, as ergosta-7.22-dien-3,5 ,6-triol 1 and 3-O--D-glucopyranosyl-ergosta-7,22-dien-5 ,6-diol 2. The n-butanol extract fractionated from methanol extract yields flavonol glycosides 3-5 after eluting with solvents of different polarities. These compounds have been identified as quercetin 4'-O-β-D-galactoside 3, kaempferol 3-O--D-glucosyl (1→2)--D-glucoside 4, and quercetin 3-O--D-glucosyl (1→2)--D-galactoside 7-O--D-glucoside 5.
Page(s): 1291-294
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(06) [June 2005]

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