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vinegar |
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vinegar, sour liquid consisting mainly of acetic acid and water, produced by the action of bacteria on dilute solutions of ethyl alcohol derived from previous yeast fermentation fermentation, process by which the living cell is able to obtain energy through the breakdown of glucose and other simple sugar molecules without requiring oxygen. Fermentation is achieved by somewhat different chemical sequences in different species of organisms.
..... Click the link for more information. . The coloring and flavoring are characteristic of the alcoholic liquor (as cider, beer, wine, fermented fruit juices, solutions of barley malt, hydrolyzed cereals, starches, or sugars) from which the vinegar is made. Vinegar is used as a salad dressing, a preservative, a household remedy to allay irritations, a mild disinfectant, and, in cooking, as a fiber softener. Vinegar has been known from antiquity as a natural byproduct of wine; the name is derived from the French vin aigre [sour wine]. The manufacture as a separate industry began in France in the 17th cent. The wasteful, slow, or natural, process, a spontaneous fermentation in casks half full of beechwood shavings exposed to the atmosphere by bung holes, was superseded in the early 19th cent. by the quick, or generator, method. The generator used in present-day commercial manufacture is usually a tall, truncated cone or vertical, wood tank with a false bottom perforated to admit air that is generally forced through by a blower. The alcoholic solution is allowed to drip through a filling of hard-wood shavings or other material presenting a large surface area. Vinegar made by this method must be aged to remove a natural harshness. It is generally clarified, then pasteurized. Some vinegars are subjected to distillation which removes most of the flavorings other than acetic acid. In another process, the solution is aerated directly by a spinning rotor. The wood shavings are not needed in this case, and the process runs continuously. Acetic fermentation may be impeded by an excessive growth of mother of vinegar, a slimy mass of bacteria, or of the parasitic vinegar eel, a minute, threadlike worm. vinegarSour liquid obtained by fermentation of dilute alcoholic liquids. Probably first made from wine (French vinaigre means “sour wine”), vinegar may also be made from malted barley, rice, cider, or other substances. The source substance, which must contain sugar, is fermented by yeast to produce alcohol. The alcohol is then aerated, which causes it to convert, through the action of Acetobacter bacteria, to acetic acid, water, and various other compounds. Vinegar is used in pickling meat, fish, fruits, and vegetables and in creating marinades, dressings, and other sauces. vinegar a sour-tasting liquid consisting of impure dilute acetic acid, made by oxidation of the ethyl alcohol in beer, wine, or cider. It is used as a condiment or preservative vinegar [′vin·ə·gər] (materials) The product of the incomplete oxidation to acetic acid of ethyl alcohol produced by a primary fermentation of vegetable materials; contains not less than 4 grams of acetic acid per gallon; used in preparation of pickled fruits and vegetables and in salad dressing. vinegar given to Jesus to drink. [N.T.: Matthew 26:34, 48] See : Passion of Christ Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | INGREDIENTS 200g beef mince 200g pork mince 1 small diced red onion 1 small diced white onion Squeeze of tomato ketchup Twist of salt and pepper Chopped flat leaf parsley Finely-chopped basil Dessertspoon of thyme leafs Splash Worcester sauce Handful of chopped chives Pack of macaroni pasta 2 tins of chopped tomatoes 50ml red wine vinegar Grated parmesan Knob of butter Olive oil Preheat oven to gas mark 5. In a separate container, combine the bay leaf, stout ale, and red wine vinegar with the other important ingredients like honey and Worcestershire sauce. Bryan Webb is owner/chef of Tyddyn Llan, Llandrillo, near Corwen PANZANELLA (for 4) ingredients 2 stale ciabatta loaves 1kg fresh plum tomatoes 4 garlic cloves, peeled and crushed to a paste with sea salt extra virgin olive oil 4 tbsp red wine vinegar 3 red peppers 3 yellow peppers 2 fresh red chillies (optional) 100gm salted capers 100gm anchovies 150gm black olives, stoned 1 large bunch basil sea salt and freshly ground black pepper method. |
Red wine vinegar |
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