Polyphenols Kombucha The color increase of the

The color increase of the sample is directly proportional to the total sulfite concentration of the sample

which absorbs at 405 nm

Limit of linearity: 4 g/l

The hydrogen ions in the sample alter the pH of the sample/ buffer mix and can be measured spectrophotometrically with the bromophenol blue indicator

Polyphenols Kombucha The color increase of theColorimetric analysis for polyphenols determination Kit volume: 80 ml Method: Two reagent end point at 670 or 750 nm Limit of linearity: 3000 mg l Limit of detection: 60 mg l (ppm) Advantages Stable liquid reagent until the expiration date Ready to use dedicated reagent Liquid calibrator included in the kit Phenol components significantly enhance the antioxidant properties, color and mouthfeel of red wines. The importance of these phenol components in