Why does the absorbance of the ABTS test solution decreses extremely with PBS and Tris-HCl?

Using the ABTS method, I have made several analysis on the antioxidant activity of 4 different extracts of a food material where 4 different solvents were used (methanol, water, PBS [pH=7.4] and...

10 March 2021 9,358 3 View