Research Article

Substantial Depletion of Vicine, Levodopa, and Tyramine in a Fava Bean Protein-Based Nutritional Product

Table 2

Pyrimidine concentrations, as mg/kg, in a commercial fava bean protein isolate.

AlkaloidLot 1Lot 2Lot 3Average (RSD; lots)

Vicine282316319(6.7%)
Convicine669186(16%)
Divicine444(0%)
Isouramil51010(40%)
Sum357421419(9.0%)

The concentrations of convicine, divicine, and isouramil were estimated using the vicine standard curve (with adjustment for MW differences).