Optimization of Microwave-Assisted Extraction Process for Production of Polyphenol-Rich Crude Extract from Cinnamomum iners Leaves. - Tanruean, Keerati; Luangkamin, Suwaporn; Srisurat, Thanarak; Bunmusik, Wasitthi; Suttiarporn, Panawan (Applied Sciences (2076-3417), 2025)