BREAD-MAKING.
Panification, or bread-making, consists of the following processes, in the case of Wheaten Flour. Fifty or sixty per cent. of water is added to the flour, with the addition of some leavening matter, and preferably, of yeast from malt and hops. All kinds of leavening matter have, however, been, and are still used in different parts of the world: in the East Indies, “toddy,” which is a liquor that flows from the wounded cocoa-nut tree; and in the West Indies, “dunder,” or the refuse of the distillation of rum. The dough then undergoes the well-known process called kneading. The yeast produces fermentation, a process which may be thus described:—The dough reacting upon the leavening matter introduced, the starch of the flour is transformed into saccharine matter, the saccharine matter being afterwards changed into alcohol and carbonic acid. The dough must be well “bound,” and yet allow the escape of the little bubbles of carbonic acid which accompany the fermentation, and which, in their passage, cause the numerous little holes which are seen in light bread.
The yeast must be good and fresh, if the bread is to be digestible and nice. Stale yeast produces, instead of vinous fermentation, an acetous fermentation, which flavours the bread and makes it disagreeable. A poor thin yeast produces an imperfect fermentation, the result being a heavy, unwholesome loaf.
When the dough is well kneaded, it is left to stand for some time, and then, as soon as it begins to swell, it is divided into loaves; after which it is again left to stand, when it once more swells up, and manifests for the last time the symptoms of fermentation. It is then put into the oven, where the water contained in the dough is partly evaporated, and the loaves swell up again, while a yellow crust begins to form upon the surface. When the bread is sufficiently baked, the bottom crust is hard and resonant if struck with the finger, while the crumb is elastic, and rises again after being pressed down with the finger. The bread is, in all probability, baked sufficiently if, on opening the door of the oven, you are met by a cloud of steam, which quickly passes away.
One word as to the unwholesomeness of new bread and hot rolls. When bread is taken out of the oven, it is full of moisture; the starch is held together in masses, and the bread, instead of being crusted so as to expose each grain of starch to the saliva, actually prevents their digestion by being formed by the teeth into leathery poreless masses, which lie on the stomach like so many bullets. Bread should always be at least a day old before it is eaten; and, if properly made, and kept in a cool dry place, ought to be perfectly soft and palatable at the end of three or four days. Hot rolls, swimming in melted butter, and new bread, ought to be carefully shunned by everybody who has the slightest respect for that much-injured individual—the Stomach.
Aërated Bread.—It is not unknown to some of our readers that Dr. Dauglish, of Malvern, has recently patented a process for making bread “light,” without the use of leaven. The ordinary process of bread-making by fermentation is tedious, and much labour of human hands is requisite in the kneading, in order that the dough may be thoroughly interpenetrated with the leaven. The new process impregnates the bread, by the application of machinery, with carbonic acid gas, or fixed air. Different opinions are expressed about the bread; but it is curious to note, that, as corn is now reaped by machinery, and dough is baked by machinery, the whole process of bread-making is probably in course of undergoing changes which will emancipate both the housewife and the professional baker from a large amount of labour.
In the production of Aërated Bread, wheaten flour, water, salt, and carbonic acid gas (generated by proper machinery), are the only materials employed. We need not inform our readers that carbonic acid gas is the source of the effervescence, whether in common water coming from a depth, or in lemonade, or any aërated drink. Its action, in the new bread, takes the place of fermentation in the old.
In the patent process, the dough is mixed in a great iron ball, inside which is a system of paddles, perpetually turning, and doing the kneading part of the business. Into this globe the flour is dropped till it is full, and then the common atmospheric air is pumped out, and the pure gas turned on. The gas is followed by the water, which has been aërated for the purpose, and then begins the churning or kneading part of the business.
Of course, it is not long before we have the dough, and very “light” and nice it looks. This is caught in tins, and passed on to the floor of the oven, which is an endless floor, moving slowly through the fire. Done to a turn, the loaves emerge at the other end of the apartment,—and the Aërated Bread is made.