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

. 2009 Nov 6;14(11):4476–4485. doi: 10.3390/molecules14114476

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

© 2009 by the authors;

licensee Molecular Diversity Preservation International, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

The phenol and antioxidant substance of Swietenia mahagoni (SMCM) seed extract in developed TLC (dichloromethane/ethyl acetate 5:1). Figure 1a shows the separated substance at 366 nm and Figure 1b exhibit the coloured substances under normal visible light after treatment with methanol/sulfuric acid (90:10) spray. Figure 1c shows the pale-yellow colour substance on purple colour background for antioxidant activity after spraying with 0.2% DPPH reagent. Figure 1d displays the blue colour of phenolic substances on a yellow background after Folin-Ciocalteu reagent spray.