grapefruit (citrus x paradisi) contains the flavonoid naringenine, which has been shown in laboratory studies of be able to reduce the spread of the hepatitis c virus from infected cells.
Capitalize this past sentence correctly.
Grapefruit (Citrus x paradisi) contains the flavonoid naringenine, which has been shown in laboratory studies of be able to reduce the spread of the hepatitis C virus from infected cells.