Glacier water composite extract utilizing radix gentianae, phyllanthus emblica and meconopsis quintuplinervia regel and preparation method and application of glacier water composite extract
A technology of compound extract and Meconian wormwood is applied in the directions of skin care preparations, medical preparations containing active ingredients, pharmaceutical formulations, etc. problems, to shorten the extraction time, optimize the extraction effect, and reduce the loss of active ingredients
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Embodiment 1
[0032] Gentiana (whole herb), emblica (fruit) and Meconopsis meconopsis (whole herb) with a water content of less than 5% are taken respectively and pulverized to pass through an 80-mesh sieve.
[0033] Take 10 g of pulverized medicinal materials and mix them, add 600 mL of glacier water, immerse and stir at room temperature for extraction at a stirring speed of 400 rpm to obtain an extract. The extraction time was 10, 20, 30, 40, 50 min respectively. Centrifuge and take the supernatant.
[0034] The glacier water is taken from Dorje Qudeng Nima Spring in the Himalayas (5128 meters above sea level). The deuterium content in the glacier water is 134ppm, pH=7.4, does not contain bromate, and contains the following components: Sr 2+ 0.2~0.5mg / L, K+ 0.5~10.0mg / L, Na + 1.0~5.0mg / L, Ca 2+ 14.0~30.0mg / L and Mg 2+ 2.0-10.0 mg / L; and glacier water does not contain insoluble solids or suspended matter, and the total soluble solids content is 80-100 mg / L.
[0035] In addition, an eq...
Embodiment 2
[0040] Example 2 total flavone extraction rate
[0041] With Al(NO 3 ) 3 -NaNO 2 -NaOH method was used to calculate the extraction rate of total flavonoids, and quercetin was used as a standard for detection.
[0042] Preparation of standard curve: Add 50 μL 5% NaNO to 300 μL quercetin standard solution with different concentrations 2 solution, after mixing, place it at room temperature for 6min, then add 50μL of 10% Al(NO 3 ) 3 After mixing, place it at room temperature for 6 minutes, then add 400 μL of 4% NaOH solution and 100 μL of distilled water, mix it and leave it at room temperature for 15 minutes, make 3 copies of quercetin standard solution with the same concentration in parallel, measure the OD value at 500 nm, and use each concentration Average OD of quercetin standard solution 500 values as a standard curve.
[0043] Preparation and detection of sample solution to be tested: take 300 μL sample solution, add 50 μL 5% NaNO 2 solution, after mixing, place i...
Embodiment 3
[0049] Example 3 total polyphenol leaching rate
[0050] The leaching rate of total polyphenols was calculated by the Folin-Ciocalteu method, and gallic acid was used as a standard for detection.
[0051] Preparation of standard curve: Add 0.5 mL of 10% Folin-Ciocalteu reagent to 0.1 mL of gallic acid standard solution of different concentrations, mix, and add 0.4 mL of 7.5% Na 2 CO 3 Solution, after mixing, place it at room temperature for 60min, make 3 parallel gallic acid standard solutions of the same concentration, measure the OD value at 765nm, take the average OD of the gallic acid standard solution of each concentration 765 values as a standard curve.
[0052] Preparation and detection of the sample solution to be tested: Take 0.1 mL of the sample solution obtained in Example 1, add 0.5 mL of 10% Folin-Ciocalteu reagent, mix, and add 0.4 mL of 7.5% Na 2 CO 3 Solution, after mixing, place it at room temperature for 60min, parallel 3 parts, measure the OD value of ...
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