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And all that we know now of this substance, yeast, and all the very strange issues to which that knowledge has led us, have simply come out of the inveterate habit, and a very fortunate habit for the human race it is, which scientific men have of not being content until they have routed out all the different chains and connections of apparently simple phenomena, until they have taken them to pieces and understood the conditions upon which they depend.
Moreover, Bail has observed the development of a Torula larger than T. cerevisioe, from a Mucor, a mould allied to Penicillium. It follows, therefore, that the Toruloe, or organisms of yeast, are veritable plants; and conclusive experiments have proved that the power which causes the rearrangement of the molecules of the sugar is intimately connected with the life and growth of the plant.
Seeds fall into the ground and grow, but these yeast spores fall into the grape juice and grow. While they are growing in the grape juice, they eat what they want from the juice; and, as they eat, they make bubbles of carbon dioxid, which, you remember, forms in our lungs and looks like air, and of another substance called alcohol.
Then strain it through a sieve, and let it stand till it is cold; after which put to it two large tea-cups of molasses, and half a pint of strong yeast. Pour it into a stone jug, and let it stand uncorked till next morning. Then pour off the thin liquid from the top, and cork the jug tightly.
Turpin, Hoffmann, and Trecul have, therefore, been based on one of these illusions which we meet with so frequently in microscopical observations. To bring about the transformation of the yeast of beer into mycoderma cerevisiae or into penicillium glaucum we must accept the conditions under which these two forms are obtained.
The same process that will raise good bread in cold weather will make sour bread in the heat of summer; different qualities of flour require variations in treatment, as also different sorts and conditions of yeast; and when all is done, the baking presents another series of possibilities which require exact attention."
When your Drink is Tunn'd, fill your Vessel full, let it work at the Bung-hole, and have a reserve in a small Cask to fill it up, and don't put any of the Drink which will be under the Yeast after it is work'd over into your Vessels, but put it by itself in another Cask, for it will not be so good as your other in the Cask.
Boil a quart of pared potatoes pour off the water, mash them, add half a pint of sweet milk, warmed, and a small table-spoonful of salt; stir well, and pour it scalding hot into a quart of flour; add cold milk enough to make it the right consistence for rising; stir in half a tea cup of yeast, and set it by to rise, it will soon be light, and is then to be made into dough, with shortened flour, as other rolls, and made out into cakes; and after standing in a warm place to become light again, which should not take long, bake with rather a quick heat.
The same process that will raise good bread in cold weather will make sour bread in the heat of summer; different qualities of flour require variations in treatment as also different sorts and conditions of yeast; and when all is done, the baking presents another series of possibilities which require exact attention.
There are so many ways of making bread of this kind that a recipe is not necessary. The amount of salt to be added depends upon individual taste. Some like to set their yeast working in part potato, part flour. Others use milk instead of water. Some add shortening. And nearly all women believe that their own bread is the best.
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