STABILITY STUDY OF POLYPHENOLS EXTRACTED FROM THE LEAF SHEATH OF RED SORGHUM (SORGHUM CAUDATUM) FROM BENIN. Journal title: International Journal of Advanced Research (IJAR) Authors: Agbangnan Dossa cokou pascal, Gboha?da virginie, Koudoro yaya alain, Wotto Dieudonne valentin, Sohou... Subject(s):