Nghiên cứu tách chiết caffeine từ hạt cà phê bằng phương pháp trích ly dung môi có hỗ trợ vi sóng

Abstract

The process of extracting caffeine from coffee beans was carried out with two solvents: ethyl acetate and water with microwave assistance. Water solvents had better caffeine extraction results, caffeine extraction efficiency reached 84% after 40 minutes. Coffee beans after decaffeination (decaf coffee) were roasted, ground and sensorily evaluated. Initial results showed that decaf coffee was of good quality.

Keyword: Caffeine, Microwave-assisted extraction, Decaf coffee