A method for extracting raspberry dried fruit flavonoids
A technology for dried fruit and raspberry, applied in the field of extracting flavonoids from dried raspberry fruit, can solve the problems of high cost and short shelf life of fresh raspberry fruit, and achieve the effects of efficient extraction, shortening extraction time and improving extraction rate.
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[0042] The present invention will be further described below in conjunction with embodiment.
[0043] The invention provides a method for extracting raspberry dried fruit flavonoids, comprising the following steps:
[0044] S1: Put the dried raspberry fruit that has been artificially destemmed into a pulverizer for crushing, and after repeated crushing, put the powder in a sealed bag for storage to obtain a dried raspberry fruit powder sample;
[0045] S2: Accurately weigh 3g of raspberry dried fruit powder sample, put it into a beaker, add 2mg / mL pectinase under the condition of 30:1 liquid-to-material ratio, and then put the solution into a constant temperature water bath at 50°C and let it stand 40min;
[0046] S3: Take out the solution, put it into a flash extractor, and carry out 2 extraction treatments under the conditions of extraction time 25S and extraction power 75V;
[0047] S4: After the extraction, the solution is evenly distributed in two centrifuge test tubes. A...
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