Metabolite Profiling of Rice Bran from Four Rice Varieties as a Potential Feedstock for Biovanillin Production: A UV-Vis, FTIR-ATR, and Chemometric ApproachRiyana Sunardi, Fauzan Azima, Ratni Ratni, Fitria Indah Permata Sari, Diana Sylvi, Siti Farida Kurnia Harlina Dewi, Novizar Nazir, Nappasawan Liamnimitr and Daimon SyukriBIO Web Conf., 189 (2025) 01014DOI: https://doi.org/10.1051/bioconf/202518901014