Research Article

Total Vitamin C, Ascorbic Acid, Dehydroascorbic Acid, Antioxidant Properties, and Iron Content of Underutilized and Commonly Consumed Fruits in Sri Lanka

Table 4

DPPH assay of common and underutilized fruits in Sri Lanka.

FruitsDPPH-IC50 (mg/mL)Classification of AC measured by DPPH

Common fruits

C. LantanusaVery low (IC50 > 500 mg/mL)
P. americanab

C. aurantifoliacLow (IC50 100–500 mg/mL)
G. mangostanac
A. comosuscd
P. guajava (pink flesh)de
N. lappaceume
P. edulisgh
M. paradisiaca AAB, “Silk”hi
C. sinensisi
C. papayaj

M. paradisiaca AAB “Mysore”kHigh (IC50 20–100 mg/mL)
L. acidissimano

M. indicarVery high (IC50 < 20 mg/mL)
P. guajava (white flesh)s

Underutilized fruits

S. koetjapecVery low (IC50 >500 mg/mL)

B. motleyanafLow (IC50 100–500 mg/mL)
C. aurantiumfg
S. jambosgh
A. heterophyllus (Waraka)j

P. granatumkHigh (IC50 20–100 mg/mL)
A. bilimbik
P. campechianal
A. muricatal
A. heterophyllus (Wela)m
F. inermismn
A. carambolamn
A. marmelosnop
S. dulcisop
S. caseolarisp
C. carandasq

C. cauliflorasVery high (IC50 < 20 mg/mL)
A. occidentale (yellow)s
D. ovoideumt
A. occidentale (red)u
P. emblicav
E. serratusv

Means with different superscript letters in individual column are significantly () different from each other. Data are expressed as (). DPPH: 2,2-diphenyl-1-picrylhydrazyl; FW: fresh weight; AC: antioxidant capacity.