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经验公式(希尔记法):
C21H20O10
化学文摘社编号:
分子量:
432.38
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
66651
InChI key
MYXNWGACZJSMBT-VJXVFPJBSA-N
InChI
1S/C21H20O10/c22-7-14-17(26)19(28)20(29)21(31-14)16-11(25)6-13-15(18(16)27)10(24)5-12(30-13)8-1-3-9(23)4-2-8/h1-6,14,17,19-23,25-29H,7H2/t14-,17-,19+,20-,21+/m1/s1
SMILES string
OC[C@H]1O[C@H]([C@H](O)[C@@H](O)[C@@H]1O)c2c(O)cc3OC(=CC(=O)c3c2O)c4ccc(O)cc4
grade
analytical standard
assay
≥95.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
impurities
≤12.0% water
application(s)
food and beverages
format
neat
storage temp.
2-8°C
Quality Level
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General description
异牡荆素是一种主要的黄酮类C-糖苷,是木豆叶中的主要成分。它具有抗菌和抗炎活性,抑制毛细血管通透性和镇痛特性。
Application
异牡荆素可作为分析标准品,用于通过色谱技术而对药用植物提取物中的分析物进行分离和测 。
有关合适的仪器技术的更多信息,请参阅产品′的检验报告。想要获得更多支持,请联系技术服务部。
Biochem/physiol Actions
药用植物中的植物化学成分。抗氧化剂。
Packaging
无底玻璃瓶。内含物装在插入的融合锥内。
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
An improved HPLC determination of flavonoids in medicinal plant extracts
Pietta.G.P, et al.
Chromatographia, 27(9-10), 509-512 (1989)
C Y Choo et al.
Journal of ethnopharmacology, 142(3), 776-781 (2012-06-12)
The leaves of Ficus deltoidea are used as a traditional medicine by diabetes patients in Malaysia. The objective of the study is to identify and evaluate bioactive constituents with in vivo α-glucosidase inhibition. The partitioned extracts, subfractions and pure bioactive
Jong Min Kim et al.
Chemistry & biodiversity, 5(2), 352-356 (2008-02-23)
Ellagic acid (1), 3,3'-di-O-methylellagic acid (2), 3,3',4-tri-O-methylellagic acid (3), isovitexin (4), kaempferol 3-O-beta-D-glucuronide methyl ester (5), quercetin 3-O-alpha-L-arabinopyranosyl-(1-->6)-beta-D-galactopyranoside (6), ursolic acid, pomolic acid, tormentic acid, euscaphic acid, euscaphic acid 28-O-beta-D-glucopyranoside, and maslinic acid were isolated from the AcOEt- and BuOH-soluble
Yujie Fu et al.
Journal of separation science, 31(2), 268-275 (2008-01-16)
A method based on ultrasonic extraction (USE) followed by LC-MS is presented for the determination of vitexin and isovitexin in pigeonpea extracts in this study. The influential parameters of the USE procedure were optimized, and the optimal conditions were as
Yujie Fu et al.
Journal of chromatography. A, 1139(2), 206-213 (2006-12-05)
Vitexin and isovitexin are a pair of isomeric compounds known as the major constituents in pigeonpea leaves and possess various pharmacological activities. In the present study, the preparative separation of vitexin and isovitexin with macroporous resins (Nankai Hecheng S &
实验方案
HPTLC fingerprinting enables rapid identification of passion flower with related reference materials.
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