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PRODUCT DESCRIPTION

Threonine, an organic compound with the chemical formula C4H9NO3, has a spin, is an essential amino acid and is mainly used in pharmaceuticals, chemical reagents, food fortification agents, feed additives and so on.

Threonine is an important nutrient fortifier that can fortify cereals, pastries, and dairy products, and like tryptophan has the effect of relieving human fatigue and promoting growth and development. In medicine, because of the hydroxyl group in the structure of threonine, it has a water-holding effect on human skin, and combines with oligosaccharide chain, which plays an important role in the protection of cell membranes, and promotes the synthesis of phospholipids and the oxidation of fatty acids in the body. Its preparation has the medicinal efficacy of promoting human development and anti-fatty liver, and it is a component in the compound amino acid infusion. At the same time, threonine is a raw material for the manufacture of a class of highly effective hypoallergenic antibiotics - monoamylin.


Assay (perchloric acid titration)≥ 99.0 %
Identity (IR-spectrum)passes test
Appearancewhite to almost white, fine powder
Appearance of solution (1 mol/l, water)clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1mol/l)-15.4 to -16.4
Heavy metals (as Pb)≤ 0.001 %
NH₄ (Ammonium)≤ 0.01 %
Foreign amino acids≤ 0.3 %
Other ninhydrine positive substances≤ 0.1 %


Material list certificate

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葡萄糖酸钠COA-琳海
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产品内页

Company Introduction

Shandong Linhai International Trade Co., Ltd. manufactures environmentally friendly, safe, and high-performance specialty polymer materials. Our main products include reagents, organic compounds (DTPA, EDTA, diethylene glycol, and p-hydroxyacetophenone), inorganic compounds, polymer materials, and food additives.
We possess advanced production equipment and a technical team with extensive industry experience and expertise. We have established a strict production management system and are certified to ISO9001 quality management systems.
We prioritize product safety, environmental protection, and social responsibility. Our core products comply with food contact material standards and regulations issued by major countries and regions worldwide, including those issued by the National Health Commission of China, the U.S. Food and Drug Administration, the Ministry of Health, Labour, and Welfare of Japan, and the European Commission. These products meet the increasingly stringent safety and environmental requirements of food contact materials and medical supplies.
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