Food Additives, Food Ingredients Supplier - Foodchem

FOODCHEM is the L-Threonine supplier and manufacturer, engaged in the export and wholesale of L-Threonine for more than 10 years. The MOQ of L-Threonine is 500 kgs, if you need only a small amount, please contact the local distributor of L-Threonine. Any suggestions and questions about the L-Threonine, please send Email to, we will reply within 24 hours.


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L-Threonine, CAS# 72-19-5, is a amino acid manufactured through fermentation, available as White to light brown, crystal powder. L-Threonine is widely used as nutrition supplements. It is widely accepted as safe food additive in many countries. As a professional supplier and manufacturer of food additives, Foodchem International Corporation has been supplying quality L-Threonine to customers all over the world for over 10 years. If you have any questions or wish to receive a quote, please feel free to reach us by email: or by phone: +86 21 2206 3075. Our sales person will get back to you in 1 working day.

  • Specification
  • FAQ
  • In-Depth
L-threonine food grade
ApperanceWhite  Crystalline powder
IdentificationMeets the requirements
Assay  %98.5-101.5
Lead ≤ mg/kg5
Loss on Drying ≤ %0.2
Specific rotation[a]D20°-26.5°~ -29.0°
Residue on Ignition ≤ %0.1
L-threonine feed grade
AppearanceWhite or sandy beige crystal powder, no obvious purity
IdentificationCorresponds to standard
C4H9NO3 Content(dry basis) ≥%98.5
Specific Rotation [a] D20-25.0°- -29.0°
Loss on drying ≤ %0.5
Residue on Ignition  ≤%0.5
Arsenic (As AS) ≤Mg/Kg2.0
Heavy Metals(As Pb) ≥ Mg/Kg30

Available Grade of L-Threonine

  • Food Grade: L-Threonine is widely used as nutritional supplement in food industries. Foodchem's food grade L-Threonine is available as fine powder(>98.5% purity).
  • Feed Grade: Foodchem's feed grade L-Threonine is available as fine powder(>98.5% purity).
  • Quality Control

    At Foodchem International Corporation, we apply strict quality control process to all our products. All L-Threonine we provide has been strictly tested under HACCP and ISO standards and proved to be safe for using as food additive.

    Storage&Handling Precaution

    Storage: L-Threonine should be stored in a cool and dry place.
    Handling Precaution: Handling of L-Threonine should only be performed by personnel trained and familiar with handling of organic chemicals. Avoid skin and eye contact and breathing in dust. Avoid handling which leads to dust formation.

    Application and Uses of L-Threonine

    L-Threonine is a amino acid widely used as nutrition supplements in food production. As a nutrition supplements, L-Threonine can be used in a wide variety of industries including: food production, pharmaceutical, and various other industries.
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