Citrus peels are important raw stuffs for industry and medicine, where are great deals offunctional substance such as carotenoids, essential oil, pectin, hesperidin, limonin andso on.

• 柑橘果皮中含大量的功能性物质，如类胡萝卜素、香精油、果胶、橙皮苷、柠檬苦素等，这些物质是重要的化工及医药原料。