L-Tyrosine

L-Tyrosine is a semi-essential amino acid, however essential under certain metabolic circumstances like phenylketonuria. It improves concentration, mood, and attention, reduces appetite and delays fatigue. L-Tyrosine is used in rejuvenating or reenergizing formulas. Tyrosine is an amino acid that is the precursor to the neurotransmitters norepinephrine and dopamine, which regulate mood. Norepinephrine also suppresses appetite and helps to reduce body fat and, with iodine, forms active thyroid hormones. Deficiency can lead to low mood (hence to poor concentration), low blood pressure and body temperature, and restless leg syndrome. Tyrosine is involved in the metabolism of the amino acid phenylalanine, and has been used successfully for headaches, stress reduction, anxiety, and to support individuals dealing with chemical addictions. Persons taking MAO (monoamine oxidase) inhibitors for depression should not take tyrosine, because the combination may lead to sudden, dangerous rise in blood pressure.

L-Tyrosine is a direct precursor to Thyroxine, a primary thyroid hormone, as well as Adrenaline and Nor-adrenaline. Thyroxine has been found to increase metabolic rate and control growth rate. L-Tyrosine is a necessary amino acid in the production of neurotransmitters including epinephrine, norepinephrine, and dopamine. L-Tyrosine also appears to have a mild stimulatory effect on the central nervous system. Tyrosine, like phenylalanine, is a an amino acid that is the precursor to the neurotransmitters norepinephrine and dopamine, which regulate mood. Norepinephrine also suppresses appetite and helps to reduce body fat and, with iodine, forms active thyroid hormones. Deficiency can lead to low mood (hence to poor concentration), low blood pressure and body temperature, and restless leg syndrome. Tyrosine is involved in the metabolism of the amino acid phenylalanine, and has been used successfully for headaches, stress reduction, anxiety, and to support individuals dealing with chemical addictions. Persons taking MAO (monoamine oxidase) inhibitors for depression should not take tyrosine, because the combination may lead to sudden, dangerous rise in blood pressure.

Description: White crystals or crystalline powder , tasteless.

Molecular formula: C9H11NO3
Molecular weight: 181.19
CAS registry number: 60-18-4

Specifications:

Item\Specifications

AJI92

USP24

FCC4

Assay

Specific rotation[a] D 20º

Transmittance (T 430 )

Chloride(CL)

Ammonium(NH 4 )

Sulfate(SO 4 )

Iron(Fe)

10ppm max.

30ppm max.

Heavy metals

10ppm max.

15ppm max.

10mg/kg max.

1ppm max.

1.5ppm max.

Other amino acids

Conforms

Not detectable

Loss on drying

Residue on ignition

Package: Fibre drum double polyethylene bags inside (25kgs) with 40cm×60cm.
Storage: Cool,dry,dark in closed containers,recommended limit 1 years.

Continue reading here: Vitamin B3 Niacin, Nicotinic Acid, Nicotinamide

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