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5-dibromo-2- pyr- idylazo)-N-ethyl-N-sulfopropylaniline (PAESA)
Free sulfite in the sample reacts with 4
When catechins are polymerized
Enzymatic method for D-gluconic acid / D-gluconolactone determination
Dedicated reagents ready for use
Total Sulfite Kombucha 5-dibromo-2- pyr- idylazo)-N-ethyl-N-sulfopropylaniline (PAESA)Colorimetric analysis for total sulfite determination Kit volume: 200 ml Method: Two reagent differential at 405 nm Limit of linearity: 400 mg l Limit of detection: 1 mg l (ppm) Advantages Stable liquid reagent until the expiration date Ready to use dedicated reagent Liquid calibrator included in the kit Sulfite is the main preservative of wines and musts, due to its antiseptic properties on yeasts and bacteria; it also has antioxidant properties.
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