“…They are widely applied in pharmacology (Hosni and others ), food (Geraci and others ), and aromatherapy (Hoenen and others ). There are also various flavonoids in high levels in citrus peels and they have gained great interest due to their excellent functions and bioactivities, including anticancer (Zheng and others ), anti‐lipogenic (Nakajima and others ), antioxidant activity (Ademosun and Oboh ), and anti‐inflammation (Inafuku‐Teramoto and others ). Another important component in citrus peel is carotenes, mainly beta‐carotene, often used as nutraceutical to inhibit various diseases, such as cataracts, cardiovascular diseases, multiple sclerosis and cancer, due to the excellent single oxygen and free radical scavenging property (Thakur and Azmi ).…”