Chinese wolfberry or astragalus membranaceus polysaccharide extraction method
An astragalus polysaccharide and extraction process technology, which is applied in transmittance measurement, color/spectral property measurement, material analysis using measurement of secondary emissions, etc. There is a lack of methods and processes for rapid selection and detection of well-acting medicinal ingredients, so as to achieve the effect of improving immunity and simplifying the equipment environment.
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Embodiment 2
[0014] Embodiment 2: includes step 1: take fresh Radix Astragalus as raw material, grind it, add mass fraction 60-79% ethanol and mass fraction 1-5% citric acid solution 60:1, then add mass fraction 10-20% Positively charged resin is soaked at 30-50 degrees for 2-8 hours, blown into microbubbles of methane (to make macromolecular protein aggregate and lip-egg interface) for 10-30 minutes, step 2: stand still for 5-20 minutes and cool down to 4-12 degrees, Then collect the filtrate with micro-membrane filtration (remove grease and adjust protein structure composition), heat up to 30-50 degrees, add 5-10g sodium bicarbonate and filter with nanofiltration membrane (regulate the structural composition ratio of protein and polysaccharide), step 3 : Then backwash the filter membrane with hot water under 0.2-0.4Mpa and recover the rinse solution, add 0.05-0.5% vinyl alcohol by mass percentage, 0.1-0.3% acetic acid by mass percentage and a few drops of permanganate Potassium (to allow...
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