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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 ...
Effect of chitosan on antioxidant contents and resistance of rice blast disease in sung yod phatthalung rice
This research was aimed to study the effect of chitosan on total polyphenol contents, anthocyanin contents, antiradical properties and resistance of rice blast disease in Sung Yod Phatthalung rice (Oryza sativar L.) ...