W328502

L-Glutamic acid

FCC

• Synonym(s): (S)-2-Aminopentanedioic acid, Glu
• Linear Formula: HO₂CCH₂CH₂CH(NH₂)CO₂H
• CAS Number: 56-86-0
• Molecular Weight: 147.13
• FEMA Number: 3285
• Beilstein: 1723801
• EC Number: 200-293-7
• MDL number: MFCD00002634
• UNSPSC Code: 12164502
• eCl@ss: 32160406
• PubChem Substance ID: 24901609
• NACRES: NA.21

Properties

• biological source: corn
• Quality Level: 400
• grade: Kosher
• reg. compliance: FCC; FDA 21 CFR 172.320; FDA 21 CFR 182.1045
• Assay: 98.5-101.5% dry basis (perchloric acid titration)
• form: powder or crystals
• optical activity: [α]20/D +32°, c = 10 in 2 M HCl
• mp: 205 °C (dec.) (lit.)
• solubility: water: soluble 8.64 g/L at 25 °C
• density: 1.54 g/cm³ at 20 °C
• cation traces: As: ≤3 ppm; Cd: ≤1 ppm; Hg: ≤1 ppm; Pb: ≤5 ppm
• application(s): flavors and fragrances
• food allergen: no known allergens
• Organoleptic: baked
• SMILES string: N[C@@H](CCC(O)=O)C(O)=O
• InChI: 1S/C5H9NO4/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10)/t3-/m0/s1
• InChI key: WHUUTDBJXJRKMK-VKHMYHEASA-N
• Gene Information: human ... CCR2(1231) , GRIA1(2890) , GRIA2(2891) , GRIA4(2893) , GRIK1(2897) , GRIK2(2898) , GRIK3(2899) , GRIK5(2901) , GRIN2B(2904) , GRM2(2912) , SLC1A1(6505) , SLC1A2(6506) ; rat ... Gria1(50592) , Grik1(29559) , Grik2(54257) , Grik4(24406) , Grin2a(24409) , Grm1(24414) , Grm2(24415) , Grm3(24416) , Grm4(24417) , Grm5(24418) , Grm6(24419) , Grm7(81672) , Slc1a2(29482)

Description

General description

L-Glutamic acid is an amino acid mainly used as a flavor enhancer in the food industry. It occurs naturally in kelp. L-Glutamic acid is said to impart umami-like taste in ready-to-drink (RTD) green tea.

Biochem/physiol Actions

An excitatory amino acid neurotransmitter that is an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA).

Disclaimer

For R&D or non-EU Food use. Not for retail sale.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves