Application of Chinese yam polysaccharide in preparation of medicament for treating obesity
A technology for yam polysaccharide and obesity, which is applied in the directions of drug combination, drug delivery, and pharmaceutical formulation to achieve the effects of improving immunity, sufficient drug sources, and reducing hyperglycemia.
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Embodiment 1
[0021] Use the dried rhizome of the original Chinese yam as a raw material, remove plant impurities, weigh 1000g and pulverize it, add 2 times the amount of water to heat, the temperature is 50°C, reflux extraction twice for 2 hours, filter, combine the filtrates, and concentrate to 50% ;
[0022] Add 95% ethanol to the extraction concentrated solution to make the alcohol content of the concentrated solution reach 70%. After the precipitate appears, let it stand for 3 hours, and after the precipitate is fully precipitated, remove the supernatant to collect the precipitate;
[0023] Dry the precipitate to off-white powder to obtain the crude yam polysaccharide, which has a polysaccharide content of 54%, a protein content of 28%, and a starch content of 14%;
[0024] Add the thick yam polysaccharide into distilled water at a ratio of 1:10 by weight, mix well, add protease to act for 1 hour, then add chloroform and isoamyl alcohol at a weight ratio of 5:1, there will be a gel-lik...
Embodiment 2
[0026] Use the dried rhizome of the original Chinese yam as a raw material, remove plant impurities, weigh 1500g and pulverize it, add 5 times the amount of water to heat, the temperature is 100°C, reflux extraction 3 times for 3 hours, filter, combine the filtrates, and concentrate to 50% ;
[0027] Add 95% ethanol to the extraction concentrated solution to make the alcohol content of the concentrated solution reach 70%. After the precipitate appears, let it stand for 6 hours, and after the precipitate is fully precipitated, remove the supernatant to collect the precipitate;
[0028] Dry the precipitate to off-white powder to obtain the crude yam polysaccharide, which has a polysaccharide content of 54%, a protein content of 28%, and a starch content of 14%;
[0029] Add the thick yam polysaccharide into distilled water at a ratio of 1:10 by weight, mix well, add protease to act for 1 hour, then add chloroform and isoamyl alcohol at a weight ratio of 5:1, there will be a gel-...
Embodiment 3
[0031] Use the dried rhizome of the original Chinese yam as a raw material, remove plant impurities, weigh 1300g and pulverize it, add 4 times the amount of water to heat, the temperature is 80°C, reflux extraction twice for 2.5 hours, filter, combine the filtrates, and concentrate to 50% ;
[0032] Add 95% ethanol to the extraction concentrate to make the alcohol content of the concentrate reach 70%, let stand for 5 hours after the precipitate appears, and after the precipitate is fully precipitated, remove the supernatant to collect the precipitate;
[0033] Dry the precipitate to off-white powder to obtain the crude yam polysaccharide, which has a polysaccharide content of 54%, a protein content of 28%, and a starch content of 14%;
[0034] Add the thick yam polysaccharide into distilled water at a ratio of 1:10 by weight, mix well, add protease to act for 1 hour, then add chloroform and isoamyl alcohol at a weight ratio of 5:1, there will be a gel-like precipitate, remove ...
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