Food Additives, Food Ingredients Supplier - Foodchem

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


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L-Leucine, CAS# 61-90-5, is a hydrophobic amino acid manufactured through chemical synthesis, available as white powder. L-Leucine is widely used as nutritional supplements. It is affirmed by US FDA as GRAS(generally recognized as safe) and widely accepted as safe food additive in many countries with E number E641. As a professional supplier and manufacturer of food additives, Foodchem International Corporation has been supplying quality L-Leucine and L-Isoleucine 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
Specific rotatory power[α] D20+14.9º 16º
Residue on ignition≤0.10%
Iron salt[Fe]≤10 ppm
Heavy metal[Pb]≤10 ppm
Arsenic salt≤1 ppm
Ammonium salt[NH4]≤0.02%
Other amino acid≤0.20%
Loss on drying≤0.20%
Content98.5 100.5%

Available Grade of L-Leucine

  • Food Grade: L-Leucine is widely used as nutritional supplement in food and beverage industries. Foodchem's food grade L-Leucine 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-Leucine we provide has been strictly tested under Kosher, Halal, HACCP and ISO standards and proved to be safe for using as food additive.

    Storage&Handling Precaution

    Storage: L-Leucine should be Kept in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.
    Handling Precaution: Handling of L-Leucine 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-Leucine

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