Family Rutaceae is composed of a variety of trees and thorny shrubs, but within the subfamily Aurantoideae; 6 of the 28
genera are true citrus fruit trees. Of the six, Citrus may be the most important. Citrus has a berry-type fruit characterized by a juicy
pulp made of vesicles filling the segments of the fruit not occupied by seeds. The part used is the peel, either the rind or the pericarb.
Composition
Flavonoids found in citrus are a group of naturally occurring compounds, which are among the most ubiquitous in the
plant kingdom.
