Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/14816
Title: Antioxidant activity of Hedychium spicatum Buch.- Ham. rhizomes
Authors: Sravani, T
Paarakh, Padmaa M
Keywords: Hedychium spicatum Buch.-Ham.
Antioxidant
DPPH
Gallic acid
Ascorbic acid
Phenol
Flavonoid
Issue Date: Sep-2012
Publisher: NISCAIR-CSIR, India
Series/Report no.: Int. cl. (2011.01)—A61K 36/00, A61P 17/18
Abstract: The different extracts of Hedychium spicatum Buch.-Ham. (Zingiberaceae) were evaluated for antioxidant activity by 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and reducing power determination method. Total phenol and total flavonoid content in each extracts were also determined. Gallic acid and ascorbic acid were used as reference standards. They exhibited strong antioxidant DPPH radical scavenging activity with IC50 value of 0.43, 259.1, 386.7, 414.3, 77.01 and 51.54 μg/mL for gallic acid, petroleum ether, benzene, chloroform, methanol and aqueous extracts of rhizomes of H. spicatum, respectively. The absorbance for reducing power was found to be 0.540, 0.036, 0.042, 0.046, 0.050 and 0.072 for ascorbic acid, petroleum ether, benzene, chloroform, methanol and aqueous extracts of rhizomes of H. spicatum, respectively. Total phenol content was found to be 13, 33, 24, 32 and 35 mg equivalent to gallic acid per gram of petroleum ether, benzene, chloroform, methanol and aqueous extracts of rhizomes of H. spicatum, respectively. Total flavonoid content was found to be 4.6, 7, 7.5, 34.5 and 40 mg equivalent to rutin per gram of petroleum ether, benzene, chloroform, methanol and aqueous extracts of rhizomes of H. spicatum, respectively. The strongest antioxidant activity of the methanol and aqueous extracts could be due to the presence of flavonoids and phenols.
Description: 354-358
URI: http://hdl.handle.net/123456789/14816
ISSN: 0976-0512 (Online); 0976-0504 (Print)
Appears in Collections:IJNPR Vol.3(3) [September 2012]

Files in This Item:
File Description SizeFormat 
IJNPR 3(3) 354-358.pdf180.16 kBAdobe PDFView/Open


Items in NOPR are protected by copyright, with all rights reserved, unless otherwise indicated.