Now showing items 1-2 of 2
Efficiency of feronia limonia swingle branch crude extract asantioxidant
The objective of this research were to focus the antioxidant activity and separated the chemical compound of crude extract from Feronia limonia Swingle branch. After that, the optimum antioxidant of crude extract was used ...
Preparation of DPPH and Its Derivatives
Abstract This article reviews literatures concerning preparation of stable free radical DPPH (2,2-diphenyl-1-picrylhydrazyl) and its derivatives. The key intermediate playing an important role is diarylhydrazine. The article ...