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L-Cysteine
L-Cysteine
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Introduction

L-Cysteine is a semi-essential amino acid that can be used as a feed additive in animal nutrition. It plays a vital role in various metabolic processes and is sometimes added to animal diets to enhance their growth, health, and overall performance. Here's an introduction to L-Cysteine as a feed additive:

Function:

L-Cysteine serves several functions when used as a feed additive in animal nutrition:

  1. 1:Amino Acid Supplementation:L-Cysteine is one of the building blocks of proteins, and it's important for the synthesis of various proteins in the animal's body. When added to animal feed, it can help meet the amino acid requirements of the animal, promoting protein synthesis and overall growth.

  2. 2:Antioxidant:L-Cysteine is a precursor to the powerful antioxidant glutathione. By providing a source of cysteine in the diet, it can help animals combat oxidative stress and reduce the damage caused by free radicals.

  3. 3:Detoxification:L-Cysteine is involved in the detoxification of harmful substances in the body. It can help animals eliminate toxins more efficiently, which is particularly important in livestock production.

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  5. Item

    Specification

    Result

    Identification

    Infrared Absorption

    Conforms

    Appearance

    White crystals or crystalline powder

    Conforms

    Specific rotation [a]d 20

    +8.3°to +9.5。

    +8.8°

    State solution(Transmittance)

    Not less than 95.0%

    99.5%

    Chloride(Cl)

    Not more than 0.2%

    <0.2%

    Ammonium(NH4)

    Not more than 0.02%

    <0.02%

    Sulfate(SO4)

    Not more than 0.03%

    <0.03%

    Iron(Fe)

    Not more than 10ppm

    <10ppm

    Heavy metals(pb)

    Not more than 10ppm

    <10ppm

    Arsenic(As2O3)

    Not more than 1ppm

    <1ppm

    Other amino acids

    Not more than 0.5%

    <0.5%

    Loss on drying

    Not more than 0.5%

    0.12%

    Residue on ignition (sulfated)

    Not more than 0.5%

    <0.5%

    Assay

    98.0 to 101.0%

    99.8%

    pH

    4.5 to 5.5

    5.1

Functions and Applications

L-Cysteine can be used as a feed additive in various animal diets, including those for poultry, swine, cattle, and aquaculture. It is often included in commercial feed formulations to improve the overall health and productivity of the animals.

Benefits:The addition of L-Cysteine to animal feed can offer several benefits:

  1. 1:Improved Growth:L-Cysteine is essential for protein synthesis, which is critical for growth and development in animals.

  2. 2:Antioxidant Protection:L-Cysteine can help protect animals from oxidative stress, reducing the risk of diseases and improving overall health.

  3. 3:Detoxification:L-Cysteine aids in detoxifying the body, making it easier for animals to process and eliminate harmful substances.

  4. 4:Better Feed Efficiency:By ensuring that animals can utilize dietary protein more efficiently, L-Cysteine can lead to improved feed conversion ratios.

  5. 5:Enhanced Immune Function:A healthy diet with L-Cysteine can bolster the animal's immune system, making it more resilient to infections.

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