What are the healthy functional components in citrus?

Citrus contains many functional components such as flavonoids, terpenoids, coumarin derivatives, vitamins and polysaccharides. Citrus flavonoids mainly include hesperidin and naringin, which have antibacterial, antioxidant, antiallergic, anticancer, blood pressure lowering and cardiovascular disease prevention functions. Coumarin derivatives have antibacterial and antihypertensive functions; Terpene has a sedative effect on the central nervous system; β -carotene is the precursor of vitamin A; Vitamin e and vitamin c have antioxidant function; Pectin and cellulose in citrus are good dietary fibers; In addition, the anticancer effects of β -cryptoxanthin and limonin have also attracted more attention.