In this study,citric acid was used as an extracting agent to extract vitamin C from Rosa roxburghii Tratt.by the method of extraction,ultrasound-assisted extraction and microwave-assisted extraction,and the extraction amount of vitamin C was determined by ultraviolet spectrophotometer.The results showed that the ultrasound-assisted extraction method had the highest extraction rate.Under the conditions of 80 W power and 8 min of extraction time,the extraction amount of vitamin C was 35.9 mg·g-1.
关键词
刺梨/维生素C/柠檬酸/微波法/超声法
Key words
Rosa roxburghii Tratt./vitamin C/citric acid/microwave method/ultrasonic method
维普
万方数据