Common Names: Bitter orange, Seville orange, sour orange, zhi shi Scientific Name: Citrus aurantium Background • Bitter orange originates from Southeast Asia. While the fruit is too tart to eat fresh, its peel, juice, and essential oils are often used in the culinary world, to flavor alcoholic drinks, and in fragrances. • It is commonly marketed as a herbal supplement for weight loss, physical performance, and other health uses. The oil derived from it is also used in aromatherapy and on the