Address: Gaoxin Road, Xian, Shaanxi, China (Mainland)
Phone: +86-29-83182005
Levodopa Extract
Other Name: L-DopaChemical Name: L-Tyrosine, 3-hydroxy-Molec. Struct.:M.F. & M.W.: C9H11NO4;197.19Physical properties: clear to white odorless and tasteless crystal or crystalline powder; needle like crystal (in water; M.P.: 276-278, 284-286; [a]13D: -13.1 degree (C=5.12, 1N hydrochloric acid); readily soluble in dilute hydrochloric acid and formic acid; soluble in water (65mg/44ml); almost insoluble in ethanol, benzene, chloroform and acetyl acetate.Plant Source: Vicia faba L.; Mucuna cochin-chinensis(Lour) A.Cheval., seed; M.semporvirens Hemsl., seed; M.birdwoodiana Tuteh., seed; Stizolobium caprtatum (Sweet) O.Kuntze.Funtions and Applications: One of the precursors for in vivo synthesis of noradrenalin and dopamine, it can raise the level of dopamine in brain tissue. As Parkinson`s disease is caused by deficiency of dopamine in brain, it is used clinically for the treatment of the disease. It can ease the symptom (exogenous dopamine cannot overcome blood-brain barrier to be effective); also effective to similar simptom caused by Mn or Co poisoning; some therapeutical effect to hepatic coma caused by acute hepatic failure. Toxicity: oral LD50 (mg/kg): mice 3650, rats >40000, rabbit 609.
We manufacture below products:Matrine: 95%& 98% gradeSalicin: 98%Rosavin: 1% 2% 3% grade.If you would like to know more about the products, its specification and/or tecnical data, do not hesitate to c
Ginger P. ENaringin dihydorochalcone: Grade >90%Sesamin: Grade >90%If you would like to know more about the products, its specification and/or tecnical data, do not hesitate to contact us
Puerarin grade: Grade >90%Fisetin: 5% 30% etcGingerols: 2.5% 5% gradeLuteolin: Grade >90%If you would like to know more about the products, its specification and/or tecnical data, do not hesitate to c
We provide best qulaity quercetinChem. Name: 4h-1-benzopyran-4-one, 2- (3, 4-dihydroxyphenyl) -3, 5, 7-trihydroxy>with lowest price.Quercetin can be used as additives for health food and pharmaceutica
Salidroside 1%,2% 3% gradeChicoric acid 90 gradePolydatin 20%-90% gradeIf you would like to know more about this product, its specification and/or tecnical data, do not hesitate to contact us
Soyisoflavone grade: Grade >40%Apigenin:98%Baicalin: Grade >98%Esculin:98%If you would like to know more about the products, its specification and/or tecnical data, do not hesitate to contact us
Provide below plant extracts with best price and quality:Osthol, Protodioscin, paeonol,All high purity, good quality.For more information pls contact us.
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