Food safety and quality
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Flavouring |
L-Alanyl-L-Glutamine |
Synonym(s) |
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Latest JECFA evaluation |
2012 (Session 76) |
Status of specification |
Full |
Information required |
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Chemical name |
(2S)-5-Amino-2-[(2-aminopropanoyl)amino]-5-oxopentanoic acid |
JECFA number |
2121 |
CAS number |
39537-23-0 |
FEMA number |
4712 |
COE number |
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FLAVIS number |
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Molecular weight |
217.22 |
Chemical formula |
C8H15N3O4 |
Physical form/odour |
White crystals or crystalline powder; Weak savoury aroma |
Solubility |
Soluble in water |
Solubility in ethanol |
Very slightly soluble |
Boiling point (°C) |
NA |
Assay min % |
98% |
Acid value max |
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Refractive index |
NA |
Specific gravity |
NA |
Other requirements |
m.p. 230-232° (decompostion) |
ID Test |
IR |
Spectrum |
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