氨基酸

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缬氨酸
CAS No.:72-18-4 Other Names:Valine MF:C5H11NO2 EINECS No.:117.15 Place of Origin:Jiangsu, China (Mainland) Type:Vitamins, Amino Acids and Coenzymes Grade Standard:Food Grade, Medicine Grade

1. L-Valine is an essential amino acid for increasing cognitive function and smoothing nervous system fuction.

2. L-Valine is also needed for muscle metabolism, tissue repair and the maintenance of a proper nitrogen balance in the body.
3. L-Valine is found in very concentrated levels in muscle tissue.
4. L-Valine is also good for correcting the type of amino acid deficiencies that can be caused by drug.

L-valine is one of the eight essential amino acids for human body, which could be used in the preparation of compound amino acid infusions, synthesis polypeptide drugs and food antioxidant etc. It is widely used in blood-brain barrier, hepatic coma, chronic liver cirrhosis, and renal failure treatment, inborn errors of metabolism of dietary treatment, sepsis, and postoperative treatment of patients with diabetes, as well as in medicine speeding up the healing of surgical wounds and in nutritional supportive care of patients with cancer. In addition, it is also used in preparation of infusions high in branched-chain amino acids(such as 3H infusion,etc.) and oral liquid(such as liver-an dry syrup, etc.).


Application

1.Feed Grade Valine:

Valine is an essential and indispensable nutrient for pigs and poultry like lysine, theonine, methionine and tryptophan. In practical European formulas, it is usually considered as the fifth limiting amino acid. As it cannot be sythesized in the body, it needs supplementation from the diets. Valine is a branched chain amino acid along with leucine and isoleucine, involved in many important biological functions. It can help to improve the milk yield for lactating sow and enhance animal's immune.Besides, Valine can improve the feed conversation rate and amino acid efficacy.


2.For Food Grade Valine:

L- valine is a branched chain amino acid, along with leucine and isoleucine, which are essential to repaire tissue, regular blood glucose and provide energy for human body, especially for vigorous exercise. Therefore, it can be used for sports drink. Besides, Valine can also be used as a food additive in bakery to improve flavor of food.


3.For Medicine Grade Valine:

As one of amino acid infusions, valine can be used to treat some liver disease. Besides, valine is one of the precusor substances for synthesis of new drugs.

Item

Specification

Result

Test Method

Active Ingredeints




Assay

98.5%

99.5%

HPLC

Physical Control




Identification

Positive

Conforms

TLC

Appearance

white crystalline powder

Complies

Visual

Odor

Characteristic

Complies

Organoleptic

Taste

Characteristic

Conforms

Organoleptic

Sieve Analysis

100% pass 80 mesh

Complies

80 Mesh Screen

Loss on Drying

5% Max

3.37%

5g/105C /5hrs

Solubility Solubility

in water

Conforms

Visual

Ash

3% Max

2.84%

2g/525C/5hrs

Chemical Control




Sulphate

0.5% Max

Complies

2g/525C/5hrs

Insolubles In Ethanol

10ppm Max

5.3ppm


Ethanol Resides

0.2% Max

Complies


Arsenic (As)

NMT 2ppm

Conforms

Atomic Absorption

Cadmium(Cd)

NMT 1ppm

Conforms

Atomic Absorption

Lead (Pb)

NMT 2ppm

Conforms

Atomic Absorption

Chlorate (Cl)

NMT 1ppm

Conforms

Atomic Absorption

Phosphate Organics

NMT 1ppm

Conforms

Gas Chromatography

Heavy Metals

20ppm Max

Complies

Atomic Absorption

Pesticides Residues

NMT 1ppm

Conforms

Gas Chromatography


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