Lactic acid esters are chemical compounds formed by the reaction of lactic acid with alcohols. They are part of a larger group known as esters, which are typically characterized by their pleasant fragrances and flavors. Lactic acid itself is an organic acid produced during fermentation and is commonly found in dairy products and some vegetables. These esters have various applications, including use as food additives, solvents, and in the production of biodegradable plastics. Due to their biocompatibility, lactic acid esters are also explored in the field of pharmaceuticals for drug delivery systems and other medical applications.