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Antioxidant properties of methanolic extracts from Diospyros mespiliformis (jackal berry), Flacourtia indica (Batoka plum), Uapaca kirkiana (wild loquat) and Ziziphus mauritiana (yellow berry) fruits
Author(s) -
Ndhlala Ashwell R.,
Chitindingu Kuda,
Mupure Chipo,
Murenje Tapiwa,
Ndhlala Farai,
Benhura Mudadi A.,
Muchuweti Maude
Publication year - 2008
Publication title -
international journal of food science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.831
H-Index - 96
eISSN - 1365-2621
pISSN - 0950-5423
DOI - 10.1111/j.1365-2621.2006.01431.x
Subject(s) - dpph , chemistry , scavenging , diospyros kaki , superoxide , mauritiana , ziziphus , botany , food science , traditional medicine , antioxidant , organic chemistry , biology , medicine , enzyme
Summary Four wild fruits, Diospyros mespiliformis , Flacourtia indica , Uapaca kirkiana and Ziziphus mauritiana , were extracted with methanol and analysed for radical‐scavenging effect of 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH) radical, reducing power and anion radical effect on superoxide anion using colorimetric method. There was an increase in the radical‐scavenging effect, reducing power and superoxide anion radical‐scavenging effect as the concentration of sample increased. Diospyros mespiliformis had high DPPH radical‐scavenging capacity. The peels of F. indica and U. kirkiana had higher DPPH radical‐scavenging effects, reducing power and superoxide‐scavenging effects compared with the pulp while the pulp of Z. mauritiana had high DPPH radical‐scavenging effects, reducing power and superoxide‐scavenging effects compared with the peel.