Customization: | Available |
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CAS No.: | CAS 72-19-5 |
Formula: | C4h9no3 |
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Threonine is an important nutritional enhancer, which can strengthen grains, pastries and dairy products. Like tryptophan, threonine can restore human fatigue and promote growth and development. In medicine, because the structure of chemicalbook threonine contains hydroxyl groups, it has a water holding effect on human skin, combines with oligosaccharide chains, plays an important role in protecting cell membrane, and can promote phospholipid synthesis and fatty acid oxidation in vivo.
Used in biochemical research, as an amino acid nutrition medicine in medicine, mainly used to treat anemia. Use amino acid medicine. Mainly used in amino acid infusion, comprehensive amino acid preparation, food nutrition enhancer. Lack of threonine can cause loss of appetite, weight loss, fatty liver, testicular atrophy, staining changes in the anterior pituitary cells and affect bone development. Adverse reactions taboo: when an adult instills 22.5g once, it can cause fever, headache and other adverse reactions.
Nutritional supplements. In addition to supplementing L-lysine, cereal protein is also L-threonine. This is because although the content of L-threonine is high, the combination of threonine and peptide in protein is difficult to hydrolyze, and it is difficult to digest and absorb. It is also used to prepare amino acid infusion and comprehensive amino acid preparations.
Threonine is used in medicine, chemical reagent, food fortifying agent, feed additive and so on. In particular, the amount of feed additives is growing rapidly, and it is often added to the feed of underage piglets and poultry, and is the second limited amino acid in pig feed and the third limited amino acid in poultry feed.
Test items |
Standard |
Assay |
98.5~101.5% |
Identification |
Infrared absorption |
Specific Rotation[a]D25° |
+14.9°~ +17.3° |
PH |
5.5~7.0 |
Loss on drying |
≤0.2% |
Residue on ignition |
≤0.4% |
Chloride |
≤0.05% |
Sulfate |
≤0.03% |
Iron |
≤0.003% |
Heavy Metals |
≤0.0015% |
Product Name | Product Name | Product Name |
L-Methionine 63-68-3 | D-Methionine 348-67-4 | DL-Methionine 59-51-8 |
L-Threonine 72-19-5 | D-Threonine 632-20-2 | DL-Threonine 80-68-2 |
L-Tryptophan 73-22-3 | D-Tryptophan 153-94-6 | DL-Tryptophan 54-12-6 |
L-Isoleucine 73-32- 5 | D-lsoleucine 319- 78-8 | DL-lsoleucine 443-79-8 |
L-Valine 72-18-4 | D-Valine 640-68-6 | DL-Valine 516-06-3 |
L-Lysine 56-87-1 | D-Lysine 923-27-3 | DL-Lysine 70-54-2 |
L-Lysine Hcl 657-27-2 | D-Lysine Hcl 7274 -88-6 | DL-Lysine Hcl 70-53-1 |
L-Alanine 56-41-7 | D-Alanine 338-69-2 | DL-Alanine 107-95-9 |
L-Aspartic Acid 56- 84-8 | D-Aspartic Acid 1783- -96-6 | DL-Aspartic Acid 617-45-8 |
L-Malic acid 97-67-6 | D-Malic Acid 636-61-3 | DL-Malic Acid 6915-15-7 |
L-Phenylalanine 63-91-2 | D-Phenylalanine 673-06-3 | DL-Phenylalanine150-30-1 |
L-Serine 56-45-1 | D-Serine 312 -84-5 | DL-Serine 302-84-1 |
L-Arginine 74-79-3 | D-Arginine157-06-2 | L-Arginine Hcl 1119-34-2 |
L-Proline 147-85-3 | D Proline 344- 25-2 | DL-Proline 609-36-9 |
L-Tyrosine 60-18-4 | D-Tyrosine 556-02-5 | DL-Tyrosine 556-03-6 |
L-Leucine 61-90-5 | D-Leucine 328-38-1 | DL-Leucine 328-39-2 |
L-Cysteine 52-90-4 | D-Cysteine 921-01-7 | DL-Cysteine 3374- 22-9 |
L-Citrulline 372-75-8 | N-acetyl-L-cysteine 616-91-1 | DL-Citrulline 627-77-0 |
L-Glutamic Acid 56- -86-0 | N-acetyl-L-leucine 1188-21-2 | DL-Glutamic Acid 617-65-2 |
L-Norvaline 6600 -40-4 | N-acetyl-L-tyrosine 5537-55-3 | DL-Norvaline 760-78-1 |
L-Histidine 71-00-1 | Acetyl L-Carnitine 5080-50-2 | D-Citrulline 13594-51-9 |
L-Glutamine 56- 85-9 | N-acetyl-L-alanine 97-69-8 | D-Glutamic Acid 138-16-9 |
L-Glycine 56- -40-6 | N-acetyl-L-carnosine 56353-15-2 | D-Norvaline 2013-12-9 |
L-Pyroglutamic acid 56-86-0 | Citrulline Malate 54940-97-5 | L-Carnitine 541-15-1 |
L-Asparagine 70-47-3 | Ornithine Aspartate 3230-94-2 | L-Carnosine 305 -84-0 |
L-Theanine 3081-61-6 | Arginine Aspartate7675-83-4 | L- Hydroxyproline 618-27-9 |