Product

L-Levodopa (Fermentation)



Product Introduction-----L-Levodopa(L-DOPA)

L-Levodopais produced by method of Fermentation process which is a green and environmental line. It can be better to relief the environment press than chemical synthesis.


Product specification-----L-Levodopa(L-DOPA)

Item

Standard

Appearance

White to slightly cream coloured, crystalline powder

Identification

A.IR

B.Chemical reaction

C.Chemical reaction

D.Chemical reaction

Solubility

Slightly soluble in water,pratically insoluble in alcohol and in ether,freely soluble in 1M hydrochloric acid and sparingly soluble in 0.1M hydrochloric acid.

Appearance of solution

Not more intensely coloured than reference solution BY6

pH

4.5~7.0

Related substances

Single impurity ≤0.5%

Specific rotation

-1.27°~-1.34°

Bulk density

≥0.40gm/cc

Tapped Density

≥0.60gm/cc

Loss on drying

Not more than 1.0%

Particle size

100% pass through 80 mesh

Heavy metals

Not more than 10ppm

Mercury

Not more than 0.1ppm

ArsenicAs

Not more than 1ppm

Lead

Not more than 3ppm

IronFe

Not more than 10ppm

Cadmium

Not more than 1ppm

Ash

Not more than 0.1ppm

Assay

99.0%101.0%

GMO/BSE Status

Not genetically modified organism. Free of BSE.

Storage

Store in tight containers,in a cool dry area.


Introduction:

l-DOPA, also known as levodopa and l-3,4-dihydroxyphenylalanine, is an amino acid that is made and used as part of the normal biology of some plants and animals, including humans. Humans, as well as a portion of the other animals that utilize l-DOPA, make it via biosynthesis from the amino acid l-tyrosine. l-DOPA is the precursor to the neurotransmitters dopamine, norepinephrine (noradrenaline), and epinephrine (adrenaline), which are collectively known as catecholamines. Furthermore, levodopa itself mediates neurotrophic factor release by the brain and CNS. levodopa can be manufactured and in its pure form is sold as a psychoactive drug with the INN levodopa;As a drug, it is used in the clinical treatment of Parkinson's disease and dopamine-responsive dystonia.


Function:

Levodopa is the precursor to dopamine.   Most commonly, clinicians use levodopa as a dopamine replacement agent for the treatment of Parkinson disease.   It is most effectively used to control bradykinetic symptoms apparent in Parkinson disease.   The drug can also be used for postencephalitic parkinsonism and symptomatic parkinsonism due to carbon monoxide intoxication.



Our advantage:

           Leading peptide manufacturer in China

           High Technology Enterprise Award

           GMP standard workshop

           High purity cosmetic peptide

           Competitive price and excellent service

           Shorter production cycle

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