Polyphenols
Mitchell, A.E., Hong, Y.-J., May, J.C., Wright, C.A. and Bamforth, C.W.. (2005) A comparison of Polyvinylpolypyrrolidone (PVPP), Silica Xerogel and a Polyvinylpyrrolidone (PVP)-silica co-product for their ability to remove polyphenols from beer. J. Inst. Brew. 111, 20-25