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L Threonine Feed Grade
Posted at: TradersCity --> Offers to Sell and Export
Posted on: Mon 14 Jan, 2008 2:01 am
1. Structure and Properties
Name: L-Threonine (b-hydroxyl-a-aminobutyric acid)
CAS NO: 72-19-5
Structural Formula:
Molecular weight: 119.12
Properties: White orthorhombic or crystalline powder. Odorless, Slightly-sweet taste. It melts and decomposes at 253 degree C It decomposes with dilute alkali at high temperature.it decmposes gradually with acid.Soluble in water Insoluble in ethanol,ether or chloroform.Isoelectric point is PH 6.16.
2. Usage
Threonine is an important kind of analeptic which fortifies cereal,pastry and dairy products.Like tryptophan,it rejuvenates human bodies and promotes the growth of infants.When applied in pharmaceutical field,threonine can moisten human skins due to the hydroxy in its structure.Combined with oligose,it protects human cell membranes,and accelerates the synthesis of phosphatide and the oxidation of fatty acid.With a medicinal effect of preventing fatty liver,threonine preparation works as a component of compound amino acid injection,Meanwhile,threonine can be used for the production of monobactams,one of high-effect and low-allergy antibiotics.
As amino acid for forge,threonine is widely added in the forage for newborn pig,covering pig,poultry,shrimp,eel and so.It can:
--Keep the balance of amino acids in the forage and stimulate the growth of the animals;
--Improve the meat quality;
--Increase the nutritive value of forage raw materials which have low amino acid digestibility;
--Apply to the production low-protein forage;
--Cut down the cost of raw materials for forage;
--Decrease the nitrogen content in the excrement and urine of animals so that the release of ammonia is slowed and the ammonia concentration is kept low in animal shed.
3. Specification
Appearance White or light-brownCrystal or powder
Loss on drying 1.0%Ma
Residues on ignition 0.5% Max
Assay 98.5%Min
Specific rotation -26.7 -29.6 degree C
Heavy metals 10PPM Max
Arsenic 2PPM Max
PH 5.0-6.5
4. Packing
25kg in a compound bag.
（20MT /FCL,18MT without pallet）
Best Regards./ Frank Fang
Hangzhou Fly IMP. & EXP. CO.,LTD
14F, WuKuang Mansion ,North ZhongShan Road.Hangzhou.Zhejiang
Tel:0086 0571 88360525
Mobile phone: 0086 013588477542
Fax: 0086 0571 85354597
Email: fangbin1@hzcnc.com,
Frank_fang@flyexport.com
Http://www.flyexport.net
_________________
Contact Name: Henry Fang
Company Name: Hongkong Henry Industry Co., Ltd
Email: Henry_fang@henryindustry.com
Tel: 0086013588477542
Fax: 0086057187913115
Street Address: Room 402, Building 20,
Dingan Yuan Hangzhou, Zhejiang, China
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Posted By Fangbin
Country:  China
Member Since: 11 January 2008
Total Leads: 2
Business focus: Itaconic Acid, L-threonine
  
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