饲料添加剂

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蛋氨酸
CAS :59-51-8Other Names:DL-Methionine MF:C5H11NO2S EINECS No.:200-432-1 Place of Origin:China (Mainland) Type:Feed Grade Amino Acids

Introduction

English name DL-Methionine
English alias DL-2-Amino-4-(methylthio)butyric acid; DL-Methoionine; 3-Methyl Amino Propionitrile; (+/-)-2-Amino-4-(methylthio)butyric acid~H-DL-Met- OH
Formula C5H11NO2S; CH3SCH2CH2CH(NH2)COOH
Molecular Weight 149.21
CAS No.59-51-8
Appearance: white flaky crystal or powder;
Solution clarity: colorless clarification;
Content (dry basis): 99.4%;
PH value: 5.9 (1% aqueous solution);
Heavy metal (in terms of Pb): ≤ 0.001%;
Heating loss: ≤0.07%;
Burning residue: ≤0.06%;
Chloride (in terms of Cl): ≤ 0.02%;
Cobalt sulfate (calculated as SO4): ≤0.02%;

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Function

1. Dl Methionine can be used as nutional supplement. DL-methionine has the same effect with L-methionine, but DL-methionine is cheaper.

2. Dl Methionine can be formulated as a flavoring agent.

3. Dl Methionine has a protective role of the liver. Methionine has effects of anti cirrhosis, fatty liver, and a variety of acute, chronic, viral, jaundice liver.

4. Dl Methionine has a myocardial protective effect.

5. Dl Methionine has an antidepressant effect.

6. Dl Methionine has a blood pressure lowering effect.

7. Dl Methionine has an antivirus poison eradicates effect.

8. Dl Methionine is the feed nutrition enhancer.Livestock and poultry lack of methionine, can lead to stunted growth, weight loss, liver and kidney function abate, muscle atrophy, fur, metamorphism and so on.Add 1 kg methionine, feed of 50 kg fish meal nutrition value.Feed in the general content of 0, 05 % to 0.2%.

Specification

Appearance

White to yellowish powder

Purity

98% min

Loss on drying

< 0.2%

Heavy metals (as Pb)

< 10 PPM

Ignition residue

< 0.1%

Ph

5.6 ~ 6.1 (1% soln. 25 ° C)

Transmittance           > 95%

> 95%

CL

< 200 PPM

SO4

< 200 PPM

NH4

< 200 PPM

Fe

< 10 PPM

Other amino acids

< 0.2% (TLC)

Water

0.5% or less

Arsenic Arsenic (As)

3 PPM or less

Cadmium Cadmium (Cd)

1 PPM or less

Mercury Mercury (Hg)

1 PPM or less

Lead Lead (Pb)

10 PPM or less

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