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Title: Antioxidant potential of n-butanol fraction from extract of Jasminum mesnyi Hance leaves
Authors: Borar, Sakshi
Punia, Priyanka
Kalia, A N
Keywords: Antihyperglycemic;Antioxidant;Jasminum mesnyi;Secoiridoids
Issue Date: Jan-2011
Publisher: NISCAIR-CSIR, India
Abstract: Methanolic extract of Jasminum mesnyi Hance leaves having antidiabetic activity was subjected to fractionation to obtain antioxidant and antihyperglycemic rich fraction. Different concentrations of ethyl acetate and n-butanol fractions were subjected to antioxidant assay by DPPH method, nitric oxide scavenging activity and reducing power assay. The fractions showed dose dependent free radical scavenging property in all the models. IC50 values for ethyl acetate and n-butanol fractions were 153.45±6.65 and 6.22±0.25 g/ml, respectively, as compared to L-ascorbic acid and rutin (as standards; IC50 values 6.54±0.24 and 5.43±0.21 g/ml, respectively) in DPPH model. In nitric oxide scavenging activity, IC50 values were 141.54±9.95 g/ml, 35.12±1.58 g/ml, 21.06±0.95 g/ml and 29.93±0.32 g/ml for ethyl acetate, n-butanol fractions, L-ascorbic acid and rutin, respectively. n-Butanol fraction showed a good reducing potential and better free radical scavenging activity as compared to ethyl acetate fraction. Potent antioxidant n-butanol fraction showed better oral glucose tolerance test (antihyperglycemic) at par with metformin (standard drug). n-Butanol fraction contained secoiridoid glycosides which might be responsible for both antioxidant and antihyperglycemic activity.
Page(s): 39-43
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.49(01) [January 2011]

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