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    Home > Biochemistry News > Plant Extracts News > Grass bean flavonoids

    Grass bean flavonoids

    • Last Update: 2020-06-15
    • Source: Internet
    • Author: User
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    Extractsource: This product is a flavonoid ingredient derived from the seeds of ginger plant grass bean Alpinia katsumadai Hayata, with a total flavonoid content of more than 80%main ingredient: Yamajiang Alpinetin, content: 30% "text-style"text-align:center; " simg alt""grass bean flavonoids" src"/uploads/allimg/1611/1-1611221231N40.jpg"style: "272px"; Height: 130px; ." -to-bean -cardamoninPines PinocembrinKumatakeinBear Bamboo Kumatakeincontent: 50%.s trait) This product is pale yellow to yellow powder, soluble in methanol, ethanol, ethyl acetate, pyrethroididentification" take this product with methanol to make 0.5% solution for measurementTake the standard sage, pine, bear bamboo, soybean rice and other methanol to make the content of each ingredient is 2mg /ml solution for controlTake grass bean meal standard control of 1.0g with methanol 5 ml, ultrasonic vibration up to 10 minutes, filtration, as a control liquidTake the above three liquids each 5 sl, respectively, point on the same silicone G board, to toluene-ethyl ester-methanol (15:4:1) to expand, 100 degrees C heating to the spot clear, in the UV lamp 365nm inspection, the corresponding position of the label spots show the same color fluorescent spots, and then spray 5% iron tetrachloride ethanol solution, fluorescent spots and sunlight, compared to the standard medicinal material, the corresponding speckDry weightlessness: No more than 5.0% (Appendix IX.G)Burning Residue: No more than 0.8% (Appendix IX.J)Heavy Metals: No more than 10pprn (Appendix IX.E)"Content Determination" asmeasured by high-efficiency liquid chromatography (Appendix VI.D)chromatography condition S18 pillarflow phase: A is methanol, B is water, gradient elution detection wavelength: 300nm the number of theoretical boards p style" "text-align: center; " img alt" "grass bean lutein" src"/upload" s/allimg/1611/1-161126212500P7.jpg"style"style: "width: 545px; height: 260px; control fluid: take the mage label with methanol to make a backup of 40 sg/ml solution determination: take this product with methanol to make 0.1mg/ml solution backup the determination: take the above two liquid 5 sl each, inject the liquid chromatography to determine, and calculate the total flavonoid content : Antibacterial, anti-inflammatory, anti-tumor, anticoagulant, antioxidant storage is cool, dry and light-proof
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