Euryale ferox salisb extract for controlling postprandial blood sugar, and preparation method and application of euryale ferox salisb extract
A postprandial blood sugar and extract technology, applied in the field of extraction of natural plant active components, to achieve the effect of high active components, high activity, and simple extraction methods
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Embodiment 1
[0027] Embodiment 1: Preparation of Gorgon fruit extract
[0028] (1) Gorgon powder grinding: remove impurities such as stones and shells in the Gorgon raw material, use a pulverizer to pulverize, and sieve with a 60-mesh sieve to obtain Gorgon dry powder;
[0029] (2) Solvent extraction: according to the solid-liquid ratio (g / ml) of Gorgon dry powder / 60% acetone solution as 1 / 50, weigh 1000 g of Gorgon dry powder, add 50000 ml of 60% acetone solution, and place it in an ultrasonic-assisted extractor The extraction temperature is 55°C, and the extraction time is 50 minutes; after the extraction, centrifuge at 3000rmp / min for 10 minutes, and take the supernatant; repeat the extraction once for the precipitated part according to the above steps, and combine the two extractions;
[0030] (3) Concentration under reduced pressure: Carry out vacuum reduction and concentration treatment to the above-mentioned extract, remove the acetone therein, and obtain the aqueous solution of Gor...
Embodiment 2
[0033] Embodiment 2: Preparation of Gorgon fruit extract
[0034] (1) Gorgon powder grinding: remove impurities such as stones and shells in the Gorgon raw material, use a pulverizer to pulverize, and sieve with a 50-mesh sieve to obtain Gorgon dry powder;
[0035] (2) Solvent extraction: according to the solid-liquid ratio (g / ml) of Gorgon dry powder / 90% ethanol solution as 1 / 80, weigh 1000 g of Gorgon dry powder, add 80000 ml of 90% ethanol solution, and place it in an ultrasonic-assisted extractor The extraction temperature was 50°C, and the extraction time was 40 minutes; after the extraction, centrifuged at 2500rmp / min for 15 minutes, and the supernatant was taken; the precipitated part was extracted once again according to the above steps, and the two extractions were combined;
[0036] (3) Concentration under reduced pressure: Carry out vacuum reduction and concentration treatment to the above-mentioned extract, remove the ethanol therein, and obtain the aqueous solution ...
Embodiment 3
[0038] Embodiment 3: Preparation of Gorgon fruit extract
[0039] (1) Gorgon powder grinding: remove impurities such as stones and shells in the Gorgon raw material, use a pulverizer to pulverize, and sieve with a 60-mesh sieve to obtain Gorgon dry powder;
[0040] (2) Solvent extraction: according to the solid-liquid ratio (g / ml) of Gorgon fruit dry powder / ethyl acetate as 1 / 20, weigh 1000 grams of Gorgon fruit dry powder, add 20000 ml of ethyl acetate, and place it in an ultrasonic-assisted extractor For extraction, the extraction temperature is 60°C, and the extraction time is 60 minutes; after the extraction is completed, centrifuge at 3500rmp / min for 5 minutes, and take the supernatant; repeat the extraction once for the precipitated part according to the above steps, and combine the two extractions;
[0041] (3) Concentration under reduced pressure: Carry out vacuum reduction and concentration treatment to the above-mentioned extract, remove the ethyl acetate therein, an...
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