Among redfleshed
varieties (both peel and flesh), ‘Roberts Crab’ had the
highest levels of cyanidin-3-galactoside, phloridzin, epicatechin,
and catechin while ‘Hongrouguo’ had the highest contents of
chlorogenic acid, procyanidin B1, and procyanidin B2. ‘No.1
Hongxun’ differed from the others in higher proportion of phenolic
acid while flavonoids comprised the larger proportion in
‘Xiahongrou’.