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ULTRASOUND AND PRESSURE ASSISTED METHOD FOR EXTRACTING PECTIN RICH IN RG-I
ULTRASOUND AND PRESSURE ASSISTED METHOD FOR EXTRACTING PECTIN RICH IN RG-I
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机译:超声波和压力辅助法提取富含RG-I的果胶
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摘要
The present disclosure discloses a method for extracting pectin rich in RG-I, in particular to an ultrasound and pressure assisted method for extracting pectin rich in RG-I. The main process includes: dispersing sieved citrus peel powers in alkaline solution containing sodium borohydride (20 to 50 mM); performing an ultrasound and pressure combined treatment on the above solution at 25 to 40° C., the treatment conditions include: static pressure of 0.2 to 0.4 MPa, ultrasonic intensity of 0.5 to 3.5 W/mL, and treatment time of 20 to 40 min; centrifuging the ultrasonically processed solution to remove residues, and sequentially carrying out precipitation with ethanol (50% to 80% v/v), precipitant dialysis (3000 to 3500 Da), and vacuum freeze drying on the extracted solution to obtain pectic polysaccharide.
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