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A. Schwertner Palma
A. Ricci
G.P. Parpinello http://orcid.org/0000-0002-1439-8035
A. Versari


DPPH, FTIR, PLS, tannins


Fourier transform infrared (FTIR) spectroscopy measurements were used for the prediction of commercial tannins antioxidant capacity, i.e. DPPH, through Partial-least squares (PLS) regression. Plot of the leave-one-out full cross-validated PLS predicted scavenging activity values (DPPH %) showed a good correlation (r= 0.82), proving FTIR succeeded to rapidly provide information on commercial tannins antioxidant capacity.
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