Among the processes for the expedition or more perfect performance of the change of condition may be cited: —
Riley, March 5, 1850, converts corn meal into glucose under pressure in a boiling solution of sulphuric acid: water, 1,000 gallons; acid, 25 pounds.
Reitsch, February 3, 1852.
The saccharine matter of wort evaporated to a viscid mass.
Hoffman, May 25, 1858.
Meal treated with dilute sulphuric acid and steam under pressure of 350° Fah. Decant and evaporate.
Hawkes, February 3, 1863.
Wort of malt boiled with decoction of hops; cane-sugar added; boiled to a thick sirup; add gelatine, and can.
Weiderfeld, April 28, 1863.
Meal steeped in water impregnated with gases resulting from dry distillation of sulphuric acid; wood charcoal; crystallized soda.
Goessling, May 10, 1864.
Corn soaked, bruised between rollers; soaked in repeated waters, to prevent fermentation.
Knead, pass through sieve, wash; treat with caustic potash, then with acid and steam