Guangzhou ZIO Chemical Co., Ltd. is one of the leading manufacturers and suppliers of health improving food additives dl methionine in China. Welcome to buy bulk high quality chemicals in stock here from our factory. For price consultation, contact us.
Product Parameters
|
Product name |
DL Methionine |
|
Item |
Standard |
|
Appearance |
White to yellowish powder |
|
Assay (%) |
≥99 (NT) (TLC) |
|
Infrared spectrometry |
Conformed |
|
Loss on drying (%) |
<0.2 |
|
Residue on ignition (%) |
<0.1 |
|
Heavy metal (Pb) |
<10 ppm |
|
NH4 |
< 200 ppm |
|
Transmittance(%) |
>95 (c=10, 2 N HCl, 430 nm) |
|
Cl |
< 200 ppm |
|
Sulfate (SO4) |
< 200 ppm |
|
Fe |
< 10 ppm |
|
Melting point ( ℃) |
284 (dec.)(lit.) |
|
PH Value |
5.6 ~ 6.1 (1% soln.25°C) |
Features & Application
DL methionine is a white flake crystal or powder, slightly sweet, with a special odor. It is stable against heat and air, unstable against strong acids.
1. It is a nutritional supplement. It is a restricted amino acid in plant foods such as oats, rye, rice, corn, wheat, peanut flour, soybeans, potatoes, spinach, etc. Added to the above foods to improve amino acid balance.
2. It is also a feed nutrient enhancer. Lack of methionine in livestock and poultry can cause stunting, weight loss, weakened liver and kidney function, muscle atrophy, and fur deterioration.
3. In terms of food, it is used for the strengthening of amino acids in food and the processing of food health products.
4. The taste of sea urchin is related to methionine, the sweet taste of sea urchin is related to glycine and alanine, the bitter taste is related to valine, and the umami taste is related to glutamic acid, so these amino acids can be formulated into flavoring agents.
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