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Temp on polyphenol (tannins strawberry) quantification using potassium permanganate titration (Lowenthal permanganate)
Pol...
Red extract needs to be diluted down for IA study
Indicator change from blue to greenish yellow
Procedure:
Potassium perma...
End point
Total polyphenol (mg/L TA) = (X – Y) x 4.157 x conc KMnO4 (N) x 10000
(1.5 - 0.2) x 4.157 x 0.02 x 10000 = 1080m...
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