Process for abstracting momordica grosvenori polysaccharide
An extraction method and Luo Han Guo technology can be used in drug combination, allergic diseases and other directions, which can solve the problem of not being able to obtain Luo Han Guo polysaccharide, etc., and achieve the effects of saving raw materials, less investment and high yield
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Embodiment 1
[0029] Take 1 kg of mature fresh Luo Han Guo, and use the first method to extract the polysaccharides from Luo Han Guo:
[0030] (1) Momordica grosvenori is crushed;
[0031] (2) Add 5 kg of water, heat to boiling and soak for 1.5 hours, filter with a 250-mesh filter, continue to extract the slag, and extract 3 times in total, and combine the extracts;
[0032] (3) The extract was subjected to column chromatography with D101 or D102 or AB-8 macroporous resin to obtain a leakage liquid a and an eluent b, and the eluent was purified and dried to obtain 100 g of mogroside;
[0033] (4) The leakage liquid a is sequentially sent into the separation membrane under the working pressure of 0.15Mpa by the pressure pump, the molecular weight is 5000 Daltons, and the Luo Han Guo fiber, protein, pectin and polysaccharide in the Luo Han Guo are intercepted and separated to obtain the Luo Han Guo polysaccharide concentrate;
[0034] (5) Add ethanol to the polysaccharide concentrate of Luo ...
Embodiment 2
[0037] Take 1 kg of dried Luo Han Guo and use the second method to extract the polysaccharides from Luo Han Guo:
[0038] (1) Momordica grosvenori is crushed;
[0039] (2) Add 10 kg of water, heat to boiling and soak for 1.5 hours, filter with a 200-mesh filter, continue to extract the slag, and extract 3 times in total, and combine the extracts;
[0040] (3) The molecular weight that is sent to the separation membrane sequentially through the pressure pump under the working pressure of 0.1Mpa is 5000 Daltons, intercept and separate the Luo Han Guo cellulose, protein, pectin, polysaccharide in Luo Han Guo, and obtain the Luo Han Guo polysaccharide concentrate;
[0041] (4) Add ethanol to the concentrate until the alcohol content is 85%, let it sit and filter, centrifuge and precipitate, and obtain 6 grams of polysaccharide product, with a yield of 0.6%;
[0042] (5) The solution after membrane separation is separated by column chromatography with D101 or D102 or AB-8 macropor...
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