2 adjectives to describe rennets

Place milk in a test tube, add a drop or two of commercial rennet, and place the tube in a water-bath at about 100 degrees

INGREDIENTS.To every pint of new milk allow 2 dessertspoonfuls of brandy, 1 dessertspoonful of sugar, and 1-1/2 dessertspoonful of prepared rennet; thick cream, pounded cinnamon, or grated nutmeg.

2 adjectives to describe  rennets