An inorganic compound which is also carboxylic diacid and also active ingredient in many sour pr tar food is known as malic acid. Malic acid is very commonly found in unripe fruits and the salts, esters are known as malates. The malate onion is an intermediate in the citric acid cycle which thus contains malic acid. Malic acid confers a tart taste to wine as the amount decreases with the increasing fruit ripeness. Malic acid is daily consumed and developed in significant quantities by dogs and also is considered for maintaining proper health of dog which is in the area of oral hygiene as it helps in reducing the bacterial infections which is caused by the excess amount of saliva created in the mouth of dogs that is why this malic acid is very commonly used in tooth pastes and mouthwashes.Malic acid produces sour taste and tartness in the many food items like green apples, grapes, wine as the refreshing experience of taking a bite of the apple which thus turns out to be juicy is thus because of the malic acid as it contains and is the richest source of this malic acid is apple that is why it is called as apple acid. Commercial use of malic acid is also available as because number of sources like carbonated beverages, ciders and wines, acidified dairy products. Malic acid naturally occurs in fruits and is not artificially injected in these fruits and is also considered to be an important intermediate in the kerbs cycle which is known as energy producing cycle taking place in the mitochondria which in the cells of the living organisms. Malic acid has various benefits which are high solubility, low melting point, blending abilities, smooth persistent sourness.
In other way malic acid is used as supplement and also is used in food products like candy and potato chips. V is also largely used in skincare products as and when it is applied it tightens the skin which increases the smoothness of the skin by limiting the skin from getting any kind of wrinkles or lines.