Vinegar

Definition and stakes

Portrait of Friedrich Christian Accum Friedrich Christian Accum,  Culinary Chemistry

“ The antiseptic power of vinegar is employed with advantage in domestic economy for preserving from decay a variety of fruits, roots, leaves, and other parts of vegetables, which by a species of refinement and luxury, are often considered as condiments to improve the relish of several kinds of food. Their qualities, no doubt, depends almost entirely on the vinegar, spice, or salt imbibed by them.
The art of preparing vinegar pickles consists in impregnating the vegetable substances with the strongest vinegar, to which are usually added a portion of common salt, and the most heating spices.
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Source: Gutenberg

Arnold James Cooley,  Cooley's Cyclopædia of Practical Receipts and Collateral Information in the Arts…

“ Pickling in vinegar. In this method the substances, rendered as dry as possible by exposure to the air, are placed in glass or stoneware jars (not salt-glazed) , or wooden vessels, when strong vinegar, either cold or boiling hot, is poured over them, and the vessel at once closely corked or otherwise covered up, and preserved in a cool situation. Meat is occasionally thus treated; vegetables frequently so. See Pickle.
Potting in oil. In this case salad or olive oil is substituted for vinegar (see above) , and is always used cold.
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Source: Gutenberg

Mrs. Cornelius,  The Young Housekeeper's Friend

“ Four quarts of cider vinegar, five pounds of sugar, a quarter of a pound of cinnamon, and two ounces of clove, to seven pounds of fruit. Scald the vinegar and sugar together, and take off the scum; add the spices and boil it up again, and pour it immediately upon the fruit. Scald the vinegar twice more at intervals of three or four days, and cover the jar close after it is poured in.
A less expensive way is found to be very good. Put four pounds of sugar to eight of fruit, half the quantity of spice, a spoonful of salt, and one also of powdered allspice.
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Source: Gutenberg

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