quercetin 98% HPLC
Model Number: q006
Product Origin: china
Brand Name: guxuan
Other Price Terms: USDFOB
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Product Origin: china
Brand Name: guxuan
Other Price Terms: USDFOB
Payment Terms:
Supply Ability:
Minimum Order:
Delivery Lead Time:
Quality/Safety Certifications:
Quercetin hypericum ascyron L extract
Other Name: Meletin, Sophretin
Chem. Name: 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-
M.F. & M.W.: C15H10O7, 302.23
Physical Property: yellow needle like crystal (dihydrate in dilute ethanol); dehydrate at 95-97 ; M.P.: 314 (dissociate); solubility: 1g in 290ml anhydrous ethanol, or 23ml of glacial acetic acid; yellow alkaline solution; almost insoluble in water; very bitter taste in ethanol; UV (EtOH, max) nm(log ): 258(2.75), 375(2.75) CNMR(DMSO-d6) : 146.9(C2), 135.8(C3), 175.9(C4), 156.2(C5), 98.3(C6), 164.0(C7), 93.5(C8), 160.8(C9), 103.1(C10), 122.1(C1'), 115.2(C2'), 145.1(C3'), 147.7(C4'), 115.7(C5'), 120.1(C6')
Plant Source: Quercus iberica, skin and leaves ; Dysosma veitehii(Hemsl.et Vils.) Fu; Hypericum ascyron L., full plant; Apocynum lancifolium Rus., leaves.
Functions and applications: fairly good expectorant and antitussive; some antiasthmatic effect; lowering of blood pressure, reducing the brittalness of capillary vessel, lowering blood lipid, dilation of coronary artery, increasing the flow in coronary artery. For the treatment of chronical bronchitis, accessory treatment of coronary heart diseases and hypertension [. Toxicity: oral dose, mice: LD50 at 160mg/kg.
Other Name: Meletin, Sophretin
Chem. Name: 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-
M.F. & M.W.: C15H10O7, 302.23
Physical Property: yellow needle like crystal (dihydrate in dilute ethanol); dehydrate at 95-97 ; M.P.: 314 (dissociate); solubility: 1g in 290ml anhydrous ethanol, or 23ml of glacial acetic acid; yellow alkaline solution; almost insoluble in water; very bitter taste in ethanol; UV (EtOH, max) nm(log ): 258(2.75), 375(2.75) CNMR(DMSO-d6) : 146.9(C2), 135.8(C3), 175.9(C4), 156.2(C5), 98.3(C6), 164.0(C7), 93.5(C8), 160.8(C9), 103.1(C10), 122.1(C1'), 115.2(C2'), 145.1(C3'), 147.7(C4'), 115.7(C5'), 120.1(C6')
Plant Source: Quercus iberica, skin and leaves ; Dysosma veitehii(Hemsl.et Vils.) Fu; Hypericum ascyron L., full plant; Apocynum lancifolium Rus., leaves.
Functions and applications: fairly good expectorant and antitussive; some antiasthmatic effect; lowering of blood pressure, reducing the brittalness of capillary vessel, lowering blood lipid, dilation of coronary artery, increasing the flow in coronary artery. For the treatment of chronical bronchitis, accessory treatment of coronary heart diseases and hypertension [. Toxicity: oral dose, mice: LD50 at 160mg/kg.
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XUANCHENG BAICAO PLANTS INDUSTRY AND TRADE CO.,LTD
zhiguo bi
xuancheng economic developing zone.anhui.china
242000
86-563-2621078
86-563-2621028
www.ec21.com/bizhiguo
zhiguo bi
xuancheng economic developing zone.anhui.china
242000
86-563-2621078
86-563-2621028
www.ec21.com/bizhiguo
