5638. l-Lysine l-Glutamate

Nomenclature

CAS number: 5408-52-6
l-Glutamic acid l-lysine salt.
C11H23N3O6; mol wt 293.32.
C 45.04%, H 7.90%, N 14.33%, O 32.73%.
H2N(CH2)4CH(NH2)COOH.HOOC(CH2)2CH(NH2)COOH.

Description and references

Prepd from dl-lysine and l-glutamic acid as an intermediate in the resolution of dl-lysine: Emmick, Rogers, US 2556907; US 2657230 (1951, 1953 both to du Pont).

Derivative

Monohydrate.

Properties

Crystals, [α]22 +3.73° (12% in water).

Use

As a flavor and nutritive additive to food: GB 882163 (1961 to Stamicarbon N.V.).