Food safety and quality: details

Flavouring	Glutamyl-valyl-glycine
Synonym(s)	L-gamma-glutamyl-L-valyl-glycine
Latest JECFA evaluation	2018 (Session 86)
Status of specification	Full
Information required
Chemical name	(2S)-2-Amino-5-({(2S)-1-[(carboxymethyl)amino]-3-methyl-1-oxobutan-2-yl}amino)-5-oxopentanoic acid
JECFA number	2123
CAS number	38837-70-6
FEMA number	4709
COE number
FLAVIS number
Molecular weight	303.31
Chemical formula	C12H21N3O6
Physical form/odour	Solid off-white powder; Light savoury almost yeastlike aroma
Solubility	Soluble in water
Solubility in ethanol	Practically insoluble
Boiling point (°C)	NA
Assay min %	>95%
Acid value max
Refractive index	NA
Specific gravity	NA
Other requirements	m.p. 200-204º (decomposition)
ID Test	MS HNMR
Spectrum