Lactose

Lactose:  Sugar of milk or milk sugar; a crystalline sugar present in milk, and separable from the whey by evaporation and crystallization. It has a slightly sweet taste, is dextrorotary, and is much less soluble in water than either cane sugar or glucose. Formerly called lactin.

definition provide by  Webster's Revised Unabridged Dictionary (1913)

Valley Queen produced Lactose

Valley Queen produces approximately 70 thousand pounds of lactose daily.  This lactose is then shipped to various customers to be used in baby formula and candy.