Ultrasound-Assisted Deep Eutectic Solvent Extraction of Total Alkaloids from Eupatorium lindleyanum: Process Optimization and Preservation Application in Postharvest Grapes
A green efficient deep eutectic solvent (DES)-based system was developed for total alkaloid extraction from Eupatorium lindleyanum DC. and evaluated for postharvest grape preservation. Among 18 DESs, choline chloride–citric acid (2:1, molar ratio) showed the highest extraction efficiency. Box–Behnken design and respons...