All sorts of food can 'use' or contain vinegar, pickled onions is the obvious along with other pickles such as beetroot, red cabbage and gherkins, many sauces use vinegar such as mayonnaise, thousand island, salad cream (UK), vinaigrette and so on, we sprinkle vinegar on food such as fish and chips, tinned salmon and tuna and vinegar is also used in many recipes.
There are many popular uses for vinegar. The most popular use for vinegar would be being used in foods as an ingredient and condiment. Another use of vinegar would be a pesticide.
ANSWER:You can purchase vinegar and other acidic foods at your local grocery foods provider.
White vinegar sweetens some foods such as spinach. It is good to swallow acidic foods occasionally. For one thing, your belly needs acid to digest food. White vinegar is stronger than cider vinegar, so you might prefer to use cider vinegar. Taste and choose.
Oil has a lot, vinegar hardly none. It depends on what oil you use. http://www.thecaloriecounter.com/Foods/400/4034/Food.aspx
Your main culprits for acid reflux will be spicy foods and foods with vinegar. When at a restaurant, ask if the food is spicy or has vinegar, and then avoid these foods.
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vinegar
salt and vinegar
A common use of vinegar is as a cooking ingredient, used for flavoring, preserving, and pickling foods. It is also commonly used as a cleaning agent due to its acidic properties, which can help remove dirt and grime.
Huangrong Jiang has written: 'Yang sheng bao jian' -- subject(s): Health aspects, Health aspects of Vinegar, Natural foods, Therapeutic use, Vinegar
The acetic acid contained in the vinegar increases the acidity of vegetables, kills microorganisms and preserves some foods like vegetables
To make sour the foods !