Molecular Formula | C21H20O11 |
Molar Mass | 448.38 |
Density | 1.713±0.06 g/cm3(Predicted) |
Melting Point | 256~258℃ |
Boling Point | 838.1±65.0 °C(Predicted) |
Flash Point | 296.8°C |
Solubility | Slightly soluble in water, methanol, ethanol, soluble in hot water, hot methanol and ethanol, insoluble in chloroform, ether, benzene, petroleum ether and other polar solvents. |
Vapor Presure | 8.25E-30mmHg at 25°C |
Appearance | Yellow powder |
Color | Yellow to Very Dark Yellow |
pKa | 6.10±0.40(Predicted) |
Storage Condition | Sealed in dry,2-8°C |
Stability | Hygroscopic |
Refractive Index | 1.74 |
MDL | MFCD06799436 |
Physical and Chemical Properties | Yellow crystalline powder, soluble in methanol, ethanol, DMSO and other organic solvents, derived from chrysanthemum, rehmannia glutinosa, hamstring, honeysuckle, flying, Lotus, Nelumbo nucifera, Q.. |
Hazard Symbols | Xi - Irritant |
Safety Description | 24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
RTECS | DJ3009400 |
HS Code | 29389090 |
Plant source: | Honeysuckle |
effect | luteolin has strong respiratory tract bactericidal effect, and it is the main effective ingredient in the treatment of tracheitis in Qinglan, a unique medicinal material in Xinjiang. Reduce the role of cholesterol in atherosclerosis and enhance the relaxation of capillaries. |
biological activity | Cynaroside (Luteolin 7-glucoside) is a flavonoid compound. Cynaroside is also an influenza RNA-dependent RNA polymerase inhibitor with an IC50 of 32 nM. |
use | luteolin has bactericidal, anti-inflammatory, antipyretic and analgesic effects. used for content determination/identification/pharmacological experiment, etc. Pharmacological effects: 1. Respiratory system effects: Luteolin has a strong respiratory tract bactericidal effect. It is the main effective ingredient in the treatment of tracheitis in Xinjiang's unique medicinal material Qinglan. 2. Cardiovascular effect: Reduce the role of cholesterol in atherosclerosis and enhance the relaxation of capillaries. 3. Central system function: In the experiment, it was found that luteolin can relieve the anesthetic effect of phenobarbital. |