Sell L-Tryptophan

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Shijiazhuang Haitian Fine Chemicals CO. , Ltd which is a leading manufacturer of amino acids for food grade and pharmaceutical grade in China. And we have gained the certification of ISO9001 . L-Trytophan complies with USP24 and AJI92. With the packing 25kg/drum . Its main usage as follows:
1. Used as nutrition supplement, it can be assorted with lysine, methionine and threonine to strengthen amino acid,0.02% of L-Tryptophan and 0.1% of lysine are added to corn products, can improve effects of protein.
2. Used as antioxidant
3. Mainly used as amino acid nutritious transfusion.