adj. Of or pertaining to malic acid or its derivatives.
the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, or obtained from, apples.
The Century Dictionary and Cyclopedia
Pertaining to apples; obtained from the juice of apples
Word Usage
"Strawberries also contain an enzyme called malic acid that helps keep teeth whiter, adds Vincent Mayher, a spokesman for the Academy of General Dentistry."