L-arginine is a white diamond crystal or monoclinic crystal flakes, odorless, bitter taste; soluble in water, very slightly soluble in ethanol, insoluble in ether.
L-arginine used in biochemical research, various types of viral hepatitis hepatic coma and alanine aminotransferase abnormalities class, but also for nutritional supplements; flavoring agent; for pharmaceutical raw materials and food additives. L-arginine is essential to maintain growth and development of infants and young children of amino acids. It is in the middle of ornithine cycle metabolites, can promote transformation of ammonia into urea, thus reducing ammonia levels. It is also the main component of sperm proteins that promote sperm production, sperm motility to provide the energy effect.