Lactase based preparations for mixture into foodstuff; lactose (raw material); lactase (raw material); lactose for industrial purposes; lactase for industrial purposes; lactase-preparations for industrial purposes; chemicals for use in the food industry; chemical substances for preserving foodstuffs; artificial sweeteners [chemical preparations]; lactose for the food industry; lactase for the food industry; gluten for the food industry; casein for the food industry; flour and starch for industrial purposes; milk ferments for the food industry; enzyme based fertilizers; fertilizers; plant growth regulating preparations; protein [raw material], enzymes and enzyme preparations for use in the food industry; enzymes and enzyme preparations for industrial purposes; chemicals used in industry