FUNCTIONAL DRINK HPAEC-PAD PHENOLIC COMPOUNDS ANTIOXIDANTS SUGARCANE STRAW HYDROTHERMAL PRETREATMENT PENTOSE ETHANOL POST-HYDROLYSIS PEROXYL RADICAL SCAVENGER DIAFILTRATION XYLOSE CLOSTRIDIUM TERMOCELLUM SUGARCANE BAGASSE CIRCULAR ECONOMY FRACTIONATION PREBIOTICS ANNATTO SEED OIL NANOFILTRATION XYNZ VOLATILE COMPOUNDS COVALENT CONJUGATION FRUCTOOLIGOSACCHARIDES ENZYMATIC HYDROLYSIS BAMBOO CULM KINETIC STUDY BIOMASS