Did You Know? Excoriate, which first appeared in English in the 15th century, comes from excoriatus, the past participle of the Late Latin verb excoriare, meaning to strip off the hide.. Excoriare was itself formed from a pairing of the Latin prefix ex-, meaning out, and corium, meaning skin or hide or leather..
Malate, or malic acid, is a salt compound that is often used as a food preservative and, in nature, contributes to the sour flavor of apples and other fruit.In supplemental form, it is bound to citrulline and other various other supplements to give them stability in the body.alate, or malic acid, is a salt compound that is often used as a food preservative and, in nature, contributes to the sour flavor of apples and other fruit.
Malic acid is an organic compound with the molecular formula C 4 H 6 O 5. It is a dicarboxylic acid that is made by all living organisms, contributes to the pleasantly sour taste of fruits, and is used as a food additive. Malic acid has two stereoisomeric forms (.alate plays an important role in biochemistry. In the C4 carbon fixation process, malate is a source of CO2 in the Calvin cycle. In the citric acid cycle, (S)-malate is an intermediate, formed by the addition of an-OH group on the si face of fumarate. It can also be formed from pyruvate via anaplerotic reactions.