O0641
Oroxylin A
≥98% (HPLC)
Synonym(s):
5,7-Dihydroxy-6-methoxy-2-phenyl-4H-1-benzopyran-4-one, 5,7-Dihydroxy-6-methoxyflavone;, 6-Methoxybaicalein;
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About This Item
Empirical Formula (Hill Notation):
C16H12O5
CAS Number:
Molecular Weight:
284.26
UNSPSC Code:
12352200
PubChem Substance ID:
MDL number:
InChI
1S/C16H12O5/c1-20-16-11(18)8-13-14(15(16)19)10(17)7-12(21-13)9-5-3-2-4-6-9/h2-8,18-19H,1H3
SMILES string
COc1c(O)cc2OC(=CC(=O)c2c1O)c3ccccc3
InChI key
LKOJGSWUMISDOF-UHFFFAOYSA-N
assay
≥98% (HPLC)
form
powder
color
yellow
solubility
DMSO: ≥20 mg/mL
storage temp.
2-8°C
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Biochem/physiol Actions
Oroxylin A is a flavonoid isolated from Scutellaria baicalensis, which is one of the most important medicinal herbs in traditional Korean/Chinese/Japanese medicine. It shows amelioration of Abeta(25-35) peptide-induced memory impairment.
Oroxylin A is a flavonoid isolated from Scutellaria baicalensis, which is one of the most important medicinal herbs in traditional Korean/Chinese/Japanese medicine. The amelioration of Abeta(25-35) peptide-induced memory impairment by oroxylin A is believed to be mediated via the GABAergic neurotransmitter system after a single administration, or by reductions in Abeta(25-35) peptide-induced astrocyte and microglia activations, iNOS expression, lipid peroxidation, and increased cholinergic neurotransmission after subchronic administration.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Jingtian Qu et al.
Evidence-based complementary and alternative medicine : eCAM, 2020, 9257950-9257950 (2020-02-23)
Oroxylin A, a flavonoid, is naturally produced in many medicinal plants. Our previous study identified it as a phytoestrogen. Based on this, the present study investigated its vasoconstriction reducing effects and whether the action was mediated by the estrogen receptor
Tzu-Ling Tseng et al.
PloS one, 7(10), e47403-e47403 (2012-10-17)
Successful drug treatment for sepsis-related acute lung injury (ALI) remains a major clinical problem. This study was designed to assess the beneficial effects of post-treatment of oroxylin A (OroA), a flavonoid, in ameliorating lipopolysaccharides (LPS)-induced lung inflammation and fatality. Rats
Jing Dong et al.
PLoS computational biology, 9(1), e1002869-e1002869 (2013-01-26)
Alpha-hemolysin (α-HL) is a self-assembling, channel-forming toxin produced by most Staphylococcus aureus strains as a 33.2-kDa soluble monomer. Upon binding to a susceptible cell membrane, the monomer self-assembles to form a 232.4-kDa heptamer that ultimately causes host cell lysis and
Zhijian Lu et al.
Toxicology letters, 209(3), 211-220 (2012-01-17)
Matrix metalloproteinases (MMPs) play important roles in the invasion and migration of cancer cells. In this study, we used in vitro and in vivo assays to examine the inhibitory effects of oroxylin A, one of the main bioactive flavonoid extracted
Chenrui Li et al.
Journal of pharmaceutical and biomedical analysis, 54(4), 750-758 (2010-11-06)
The current study aims to identify and quantify three flavones (baicalein, wogonin and oroxylin A) and their major metabolites (baicalin, wogonoside and oroxylin A-7-O-glucuronide) in rat plasma after oral administration of Radix scutellariae product. A simple HPLC/UV method has been
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