Optimization of bioactive compound extraction from tobacco stem (Nicotiana tabacum L.)Titik Budiati, Putri Adila, Siti Djamila, Aditya Wahyu Winadi Atmajaya and Syaiful BahriBIO Web Conf., 210 (2026) 02005DOI: https://doi.org/10.1051/bioconf/202621002005