The sour taste is due by hydrogen ions stimulate tongue mucosa and cause feeling, so in solution can disintegrate the hydrogen ions compounds are sour. In the same PH value, organic acid and inorganic acid than the acid stronger sense, this is because the anion of organic acid with negative charges, he can counteract the tongue mucosa a positive charge and make hydrogen ions more easily and tongue in adsorption mucous membrane. Sour agent is an important seasoning food one of, not only can seasonings, still stomachic, and has certain anticorrosive effect, can promote human digestion and absorption. Usually points as follows several.
A, vinegar vinegar is our traditional seasonings, and has a long history, is the most commonly used one of acidity material, in food processing, right amount add vinegar, not only can give a person the sense with acid, promote appetite to help digestion, and has certain anticorrosive and go to the role of xing, help to dissolve cellulose and calcium, phosphorus effects, and thus to promote human body of the materials absorption effect. The actual application, often with sugar to cooperate to use vinegar, can form more pleasant sour sweet taste, often also and wine, overdischarge may generate has fruit flavours of ethyl acetate, make the products more flavor. General in the products out of the pot to add.
Second, sour sour agent of the commonly used agent has citric acid, lactic acid, tartaric acid, malic acid, acetic acid, etc, these acid generally use dose in Fried foods is safe, but should mainly be purity. Citric acid also called folic acid, is a colorless transparent crystal or white powder, have strong acid. Machine used in Fried food industry can be used to make artificial butter, cream and sour taste agent, quality improver and used as a grease or oily food antioxidant synergistic agent. Apple acid as white crystalline or crystal powder, odourless, happy sleek thus decreasing tartness, hygroscopicity strong, save easily to damp. In Fried machine in food production as jam, vinegar sour agent, used for certain food tonal keep agent and the acidity adjustment agent. In addition, apple acid sodium also often as salt substitutes use.
|
