[Indigo for differentiation of hard and soft grains in dietary pasta].
D004396:Coloring Agents; D004032:Diet; D002523:Edible Grain; D006244:Hardness; D006801:Humans; D007203:Indigo Carmine; D029883:Indigofera; D014908:Triticum
D004396:Coloring Agents; D007203:Indigo Carmine
DYES; GRAIN