Plum flavonoids
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Last Update: 2020-06-12
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Source: Internet
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Author: User
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Extraction Source: This product is rose-coplant plum Prunus mume (Sieb.) Sieb.et the flavonoids extracted from the buds of Zuce., with a total flavonoid content of more than 80%main ingredient: Reedin Rutin, content: 40%p style"text-align: "center;" src"/uploads/allimg/1701/2-1F1141249331X.png"style"style:313px; Height: 141px; : QuercetinQuercetinQurcitrinCh10rogenic acidcontent: 40%.s" is a pale yellow to tawny powder, soluble in methanol, ethanol, pyrithione"Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard reed, quercetin, chlorogenic acid and methanol to make each ingredient content of 1 mg/ml solution for controlTake plum standard control of 1.0g with methanol 30 ml, ultrasound extraction for 30 minutes, the filter concentrates to 1 ml for controlTake the above three liquid each 10 sl, respectively, point on the same silicone G board, a point two board(1) is expanded with ethyl acetate-methanol-hydroric acid (13:2.5:1:0.02) and examined under UV lamp 365nm(2) to ethyl acetate-acetic acid-water (8:1:1), spray5% aluminum trichloride ethanol solution, UV lamp 365nm under inspectionthe above two plates, the corresponding position of the standard speckle appears the same color fluorescent spots, compared to the standard medicinal spots, the corresponding rate of 60%Inspection: No more than 3.0% (Appendix IX.G)Burning Residue: No more than 0.3% (Appendix IX J) Heavy metals: no more than 10ppm (Appendix IX.E) "Content determination) according to the high-efficiency liquid chromatography (appendix VI.D) to determine chromatography conditions C18 column the kinetic phase: methanol-1% ice acetic acid (32:68) detection wavelength: 257nm the number of theoretical plates 2000 control solution: test fluid: take this product with methanol to make 0.25 mg/ml solution backup the determination: take the above two liquid 10 sl injection liquid chromatography, and calculate the total flavonoid content Function: Antibacterial, anti-inflammatory, anti-spasm, bile, anti-diabetic cataracts storage is cool, dry and light-proof
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