Antioxidant activity of Zingiber officinale Roscoe's extract, oleoresin and essential oil from Pakistan

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Title:	Antioxidant activity of Zingiber officinale Roscoe's extract, oleoresin and essential oil from Pakistan
Authors:	Saeed, M. Khalid Iqbal, Z. Mehmud, S. Ejaz, N. Waqar-u-Nisa
Keywords:	Engineering and Technology Plants (biology) Petroleum Lipidomics Laboratories Food industry Food products Educational products Contamination Chemicals Oxidation
Issue Date:	9-Apr-2009
Publisher:	IEEE ICME International Conference on Complex Medical Engineering
Abstract:	Crude extract, essential oil and oleoresin of fresh Zingeber Officinale Roscoe was studied for their antioxidant activity. Free radical scavenging activity was determined using DPPH free radical assay which based on the inhibition of the free radical 2,2-diphenyl-1-picrylhydrazyl (DPPH). Concentrations 20-100% of these were prepared and their antioxidant activity was determined by spectrophotometer at 517 nm. Results indicate that oleoresin has highest antioxidant activity (72.19% inhibition) followed by essential oil (62.15% inhibition) and crude extract (40.06% inhibition), BHA was used as control for comparison. It may consider as a good source of natural antioxidant.
URI:	http://142.54.178.187:9060/xmlui/handle/123456789/1738
ISBN:	978-1-4244-3315-5
Appears in Collections:	Proceedings

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