L-Glutamic acid

L-Glutamic acid (CAS 56-86-0), also recognized by its E-number E620, is a naturally occurring amino acid used commercially as a flavor enhancer and pH buffer.

Where is L-Glutamic acid used?

• Food and beverage: umami taste in seasoning blends
• Soups and processed foods: free acid form preferred over its sodium salt
• Pharmaceuticals: intermediate in synthesis of active ingredients and peptide APIs
• Infusion solutions: precise amino acid profiling
• Cosmetics and personal care: humectant and skin-conditioning agent in moisturizers, serums, and hair care products
• Feed and fermentation: nitrogen source and metabolic precursor in microbial culture media
• It serves as a precursor in the synthesis of glutamate salts including monosodium glutamate.

Commercial specifications

• Grades: FCC, USP, AJI97
• Purity typically 99% or above
• Bulk supply in multi-kilogram bags through to metric ton quantities