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as we know many papers expalin that quercetin, rutin, or catechin usually is used as standart for determination flavanoid in tea. I have question, is it possible to use gallic acid as standart...
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We try to make determination total polyphenol and chlorophyll from younger leaf until mature leaves (from first leaf until 4th leaf). is there any correlation between total polyphenol and...
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I've tried incubation-like fermentation to cocoa bean. This method according to Biehl et al (1982) or Biehl et al. (1985). The cocoa bean incubation at medium acetic acid with duration about 24...
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