Method for extracting sphallerocarpus gracilis polysaccharide through complex enzyme method
A technology of compound enzymatic method and compound enzymatic hydrolysis, applied in the field of extraction of yellow ginseng polysaccharide, can solve problems such as large organ damage
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Embodiment 1
[0022] (1) Microwave extraction: Take the perennial yellow ginseng, dry it at 60°C for 12 hours, pulverize it with a pulverizer, and pass it through a 60-mesh sieve; add water according to the ratio of solid to liquid at 1:30g / mL, adjust the pH value to 5, and set the temperature at 60°C , microwave power is 200W, microwave extraction 10min;
[0023] (2) Double-enzyme extraction: adjust the stirring speed to 1200r / min, first hydrolyze with 1.5% of yellow ginseng mass cellulase (50,000 U / g) for 4 hours, and then use 0.3% yellow ginseng mass papain (650,000 U / g) / g) Hydrolyze for 4 hours, inactivate the enzyme at 90°C for 10 minutes, and cool to room temperature to obtain the extract;
[0024] (3) Concentration and precipitation: Centrifuge the extract at 4500 r / min for 10 minutes, take the supernatant, and filter twice with double-layer filter paper, at a pressure of 0.07Mpa, concentrate under reduced pressure at 60°C until the volume is 1% of the volume of the extract. / 5, ad...
Embodiment 2
[0028] (1) Microwave extraction: Take the perennial yellow ginseng, dry it at 60°C for 12 hours, pulverize it with a pulverizer, and pass it through a 60-mesh sieve; add water according to the ratio of solid to liquid at 1:34g / mL, adjust the pH value to 5.5, and set the temperature at 55°C , microwave power is 220W, microwave extraction 8min;
[0029] (2) Double-enzyme extraction: adjust the stirring speed to 800r / min, first hydrolyze with 1.5% of yellow ginseng mass cellulase (50,000 U / g) for 3.5 hours, and then use 0.3% yellow ginseng mass papain (650,000 U / g) was hydrolyzed for 3.5 hours, the enzyme was inactivated at 92°C for 12 minutes, and cooled to room temperature to obtain the extract;
[0030] (3) Concentration and precipitation: Centrifuge the extract at 4500 r / min for 12 minutes, take the supernatant, and filter twice with double-layer filter paper under a pressure of 0.08Mpa. Concentrate under reduced pressure at 65°C until the volume is 1% of the volume of the ex...
Embodiment 3
[0034] (1) Microwave extraction: Take the perennial yellow ginseng, dry it at 60°C for 12 hours, pulverize it with a pulverizer, and pass it through a 60-mesh sieve; add water according to the ratio of solid to liquid at 1:38g / mL, adjust the pH value to 6.5, and set the temperature at 58°C , the microwave power is 250W, and the microwave extraction is 12min;
[0035] (2) Double-enzyme extraction: adjust the stirring speed to 1000r / min, first hydrolyze with 1.5% of yellow ginseng mass cellulase (50,000 U / g) for 3 hours, and then use 0.3% yellow ginseng mass papain (650,000 U / g) / g) Hydrolyze for 3 hours, inactivate the enzyme at 94°C for 15 minutes, and cool to room temperature to obtain the extract;
[0036] (3) Concentration and precipitation: Centrifuge the extract at 4000r / min for 15min, take the supernatant, and filter twice with double-layer filter paper, at a pressure of 0.09Mpa, concentrate under reduced pressure at 70°C until the volume is 1 / of the volume of the extra...
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