In this work. the influence of chamomile on the content of tannin in the blended green and black teas is investigated by the titrimetric method. which relies on the assessment of tannin oxidation by potassium permanganate with the indicator indigo carmine. The standard procedure of titration was altered in such a way that the dilution of filtrate used during the investigation was decr... https://lecoureures.shop/product-category/course-a-pied-accessoires-nutrition-gels/