Among these are the gradual disappearance of various kinds of grain as one advanced towards the north; the use of fermented liquors made from corn and honey; and the habit of threshing out their corn in large covered barns, instead of on open threshing-floors as in Greece and Italy, on account of the want of sun and abundance of rain.
Unlike the modern Hindus, the Aryans of the Veda ate beef, used a fermented liquor or beer made from the soma plant, and offered the same strong meat and drink to their gods.
Pasteur first formulated the idea that bacteria are responsible for the diseases of fermented liquids; the corollary of this was a demand for pure yeast.
The first-mentioned chemist proposed the following formula to represent the change which takes place when sugar is fermented: - Ca-11206 = 2CO 2 2C2H60.
The beds are formed of horse-droppings which have been slightly fermented and frequently turned, and may be made 2 or 3 ft.