L-lysine is an amino acid that is essential for health. However, it cannot be manufactured naturally in the human body like other types of amino acids. Therefore, L-lysine is considered as one of the eight essential amino acids.
Product name: L-Lysine base
specific rotation: +25.0-+27.0
chloride: 0.10% max
ammonium: 0.02% max
iron: 10ppm max
heavy metals (Pb): 10ppm max
arsenic: 1ppm max
loss on drying: 5.0% max
residue on ignition: 0.5% max
assay: 98% min
http://www.premiumingredient.com/index.php?_m=mod_product&_a=view&p_id=289
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