... is one of the most common terpenes in nature. D-limonene is a major constituent in several citrus oils (orange, lemon, ... cream, and pudding. Because D-limonene has a pleasant citrus fragrance, d-limonene is widely used as a flavor and fragrance additive in ... perfumes, soaps, foods, chewing gum, and beverages. D-Limonene,Limonene is a variety of fruit (mainly citrus), natural ingredients are vegetables ...