Ultrasonic-assisted Extraction of Polysaccharides from Carambola Leaves
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Abstract:
In this research, polysaccharides were extracted from carambola leaves by adopting the ultrasonic-assisted extraction technique. The influence of extraction times, solid-liquid ratio, temperature, ultrasonic power and radiation time on the extraction yield of carambola leaves polysaccharides was investigated. By using the orthogonal array L9(34), the optimum extraction conditions of carambola leaves polysaccharides were determined as: solid-liquid ratio 1:50, temperature 65 ℃, ultrasonic power 450 W and radiation time 35 min, under which the extraction yield of carambola leaves polysaccharides reached 18.89 mg/g.
