Prediction of Acidity and Brix of Red Dragon Fruit Juice Non-destructively using Transmittance Visible Near Infrared SpectroscopyVirginie Ratu Margareth Sinaga, Reza Adhitama Putra Hernanda, Bayu Nugraha, Hanim Zuhrotul Amanah and Rudiati Evi MasithohBIO Web Conf., 167 (2025) 05005DOI: https://doi.org/10.1051/bioconf/202516705005