D-limonene is a monoterpene found in bergamot, black pepper, cardamom, citrus fruits, caraway, eucalyptus, pine, peppermint and spearmint. L-Limonene can be found in certain pine species, and has a more terpentine-like aroma. Monoterpenes are odorless, highly volatile, prone to oxidation, and insoluble in water. Links to Plants Containing Limonene RESEARCH The […]