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Selenium Methionine Raw Materials Powder
Product Overview:
Due to the presence of chiral centers, seleno egg amino acids have different configurations. The physiological activity and bioavailability of selenoamino acids in different configurations vary greatly. In general, only L-configuration selenoamino acids can be absorbed and utilized by living tissues, while D-configuration or racemic selenoamino acids may be more harmful to human body. The selenoamino acids prepared by conventional chemical synthesis are generally DL-racemic compounds, which must be optically pure L-selenomethionine in order to be used as additives in food, feed and pharmaceutical applications.
Selenium Methionine Raw Materials Powder Attributes
CAS:1464-42-2
MF:C5H11NO2Se
MW:196.11
EINECS:215-977-0
Specification: 99% min Selenium Methionine
Sample:Selenium Methionine Powder
Packaging:1kg/bag, 25kg/drum
Brand: Henrikang
Appearance:White
Storage: Cool Dry Place
Shelf Life: 2 Years
Test Method: HPLC
Selenium Methionine Raw Materials Powder Details
Selenium Methionine Powder Usage and Synthesis.
DL-selenomethionine, as a natural organic selenium source in living organisms, is now gradually replacing inorganic compounds such as sodium selenite as a good source of selenium supplementation and an intermediate in the preparation of other selenium-containing drugs, and has become a focus of selenium compounds development.
Uses of Selenium Methionine.
DL-selenomethionine is a selenium-containing amino acid with a high safety profile for consumption. Studies have shown that L-seleno-methyl selenocysteine is directly converted to methyl selenide by degradation of β-catabolic enzymes, whereas L-selenomethionine is not able to participate non-specifically in proteins.
When methionine intake is restricted, a large proportion of L-selenomethionine is non-specifically incorporated into proteins in animals instead of methionine.DL-selenomethionine can be used in animals for selenium supplementation to promote body health.
In addition, DL-selenomethionine can be used as a feed additive to improve the performance and health of animals.
Chromium is an essential trace element in the organism and is the main active component of glucose tolerance factor (GTF), which indirectly regulates the metabolism of carbohydrates, fats, and proteins through insulin and directly.Chromium in DL-selenomethionine can be used as a chromium supplement to improve glucose tolerance and insulin sensitivity in animals.
It is important to note that organic and inorganic selenium are the two forms of selenium that exist, and that organic selenium is more readily absorbed and utilized by the body than inorganic selenium.DL-Selenomethionine is a form of organic selenium, which is safer and more readily absorbed by the body than inorganic selenium.
Synthesis method of Selenium Methionine.
Synthesis of crude DL-selenomethionine sodium salt: an alkali metal carbonate-containing alcoholic solvent is used as the reducing reaction medium, said alkali metal carbonate-containing alcoholic solvent is one or a combination of methanol, ethanol, propanol, isopropanol, butanol containing potassium carbonate or/and sodium carbonate, and dimethyl diselenide ether purified in step (2) is reacted with hydrazine hydrate and a catalyst at the temperature of 5~15°C for 0.5~2h Generate sodium methylselenol, hydrazine hydrate and dimethyldiselenide molar ratio of 1 to 2, and then sodium methylselenol, as well as Figure methylselenol sodium molar ratio of 1 to 1.5 α-amino-gamma-butyrolactone hydrobromide heated to 60 ~ 65 ℃ reflux reaction 6h after adding to the DL-selenomethionine meter molar ratio of 0.5 to 500 water for hydrolysis, and adjust the pH value of 5-6, dehydration to obtain DL-seleno methionine sodium salt crude product, wherein said catalyst comprises carbon powder and/or ferric chloride and has a molar ratio of 0.05 to 0.1 to dimethyl diselenide;
Product Method of Bulk Selenium Methionine Powder.