Under these conditions 34.5 mg of Acys from 100 g of fresh fruits ( T Acy, expressed as cyanidin-3-glucoside), approximately 78.13% of the total red pigments, could be obtained by UAE. ![]() The optimized conditions of UAE were as follows: ratio of solvents to materials was 4:1 (ml/g), extraction time was 200 s, and ultrasonic power was 400 W. A central composite rotate design (CCRD) was used to obtain the optimal conditions of ultrasound-assisted extraction (UAE), and the effects of operating conditions, such as the ratio of solvents to materials, ultrasonic power and extraction time, on the extraction yield of Acys were studied through response surface methodology (RSM). Heritage) by ultrasound-assisted process (UAP) was studied. The extraction of Acys from red raspberry ( Rubus idaeus L. ![]() ![]() Anthocyanins (Acys) are naturally occurring compounds that impart color to fruit, vegetables and plants.
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