Scented leaf flavonoids
-
Last Update: 2020-06-12
-
Source: Internet
-
Author: User
Search more information of high quality chemicals, good prices and reliable suppliers, visit
www.echemi.com
Extract source: This product is the flavonoid ingredient extracted from the leaves of tur pinia arguto Seemof the provincial oil-based plant, with a total flavonoid content of 80%main ingredients: wild paint tree glycoeRhoifolin, content: 40%p style"text-align: center; " img alt" "mountain incense leaf flavonoids" src"/uploads/allimg/1701/2-1F1GJ953259.style"style: 449px; Height: 251px;"Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard field paint tree sideside, yangme flheicsin, virgin glycoside and other methanol to make each containing 1mg/ml solution for controlTake the standard control of the mountain incense leaf 1.0g with methanol 30 ml, ultrasonic extraction for 30 minutes, the filter concentrates to 1 ml for controlTake the above three liquids each 6 sl, respectively, the same silicone G-O.5 % NaOH thin plate, to ethyl acetate-butylketone-acid-water (6:3:1:1), spray5% aluminum tetrachloride ethanol solution, UV lamp 365nm inspectionThe corresponding position of the standard speckle appears the same color fluorescent spots, compared to the standard medicinal spots, the corresponding rate of 60%Dry weightlessness: No more than 3.0% (Appendix IX.G)burning residue: No more than 0.4% (Appendix IX.J)Heavy Metals: No more than 10ppm (Appendix IX.E)"Content Measurement" according to high-efficiency liquid chromatography (Appendix VI.D) determinationchromatography condition C18 columnmobile phase: methanol 0.5% phosphoric acid (43:57)detection wavelength: 336nmthe number oftheory boards is 3000control fluid: take wild paint treeside standard with 50% methanol to make a 20 sg/ml solution backuptest solution: Take this product plus 50% methanol to make a 40 sg/ml solution backupthe determination: take the above two-liquid 10 sl injection liquid chromatography, and calculate the total flavonoid contentfunction slower blood pressure, antioxidant, anti-tumorstorage is cool, dry and light-proof
This article is an English version of an article which is originally in the Chinese language on echemi.com and is provided for information purposes only.
This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of
the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed
description of the concern or complaint, to
service@echemi.com. A staff member will contact you within 5 working days. Once verified, infringing content
will be removed immediately.