Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2013 Oct 1;13:243. doi: 10.1186/1472-6882-13-243

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2013 Phang et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

The reducing power of the crude and fractionated extracts and the standards at various concentrations. The concentrations of the crude and fractionated extracts were 1000, 500, 250, 125, 62.5, 31.25 and 15.625 μg/ml. Butylated hydroxyanisole and ascorbic acid were used as the standards. Values expressed are means ± standard deviation of triplicate measurements. PM., crude methanol extract, PH., hexane fraction, PE., ethyl acetate fraction, PW., water fraction, BHA., butylated hydroxyanisole, AA., ascorbic acid.