Liebig and Pasteur were in agreement on the point that fermentation is intimately connected with the presence of yeast in the fermenting liquid, but their explanations concerning the mechanism of fermentation were quite opposed.
When heat is required, it is sometimes supplied by means of fermenting dung, or dung and leaves, or tanner's bark, but it is much more economically provided by hot-water pipes.
This access is especially desirable as regards the store-yards and framing ground, where fermenting manures and tree leaves for making up hot beds, coals or wood for fuel and ingredients for composts, together with flower-pots and the many necessaries of garden culture, have to be accommodated.
The liberated energy takes the form of heat, which raises the temperature of the fermenting wort.
For lager-beer cellars and fermenting rooms, for bacon-curing cellars, and for similar purposes, brick walls with single or double air spaces are used, and sometimes a space filled with silicate cotton or other insulating material.
This method obtains when yeast is vigorously fermenting a saccharine solution.
This shameful discomfiture quickened all the suspicion and jealousy fermenting in France.
From Naples, after visiting Pompeii, he returned to Paris, his mind fermenting with poetical images and projects, few of which he was destined to realize.
When the heat of the original bed subsides, linings of fermenting dung must be added, and these must be kept active by occasional turnings and the addition of fresh material as often as required.
This Messianic expectation had been a fermenting leaven since the great days of Judas Maccabaeus.