Preparation method for extracting water-soluble polyose from black pine needles according to decompression inner-boiling method
A technology for decompressing internal boiling, water-soluble polysaccharide, applied in the field of plant active ingredient extraction, can solve the problems of polysaccharide decomposition, low polysaccharide yield, affecting product quality, etc., and achieves the effect of less toxic side effects and broad application prospects
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[0021] The present invention will be further described below.
[0022] The preparation method of extracting the water-soluble polysaccharide of black pine needles by internal boiling under reduced pressure in the example of the present invention comprises the following steps:
[0023] (1) Put the black pine needles in a constant temperature drying box, the temperature of the drying box is controlled at 40° C., and the drying time is 24 hours. After being pulverized by a pulverizer, 80 mesh screening is carried out;
[0024] (2) Weigh 1g of pretreated pine needle powder, place it in a self-made simple glass device, and evenly wet it with 2ml of ethanol for 30min, so that the ethanol can fully penetrate the material;
[0025] (3) Reduce the negative pressure suction gauge pressure to -0.080MPa, decompress suction to the surface to generate slight boiling bubbles, and filter;
[0026] (4) Extract the black pine needle polysaccharide solution with 20 times the volume of hot water...
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