Acta Periodica Technologica 2010 Issue 41, Pages: 195-203
https://doi.org/10.2298/APT1041195T
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Antioxidant activity of mandarin (Citrus reticulata) peel
Tumbas Vesna T.
Ćetković Gordana S.
Đilas Sonja M.
Čanadanović-Brunet Jasna M.
Vulić Jelena J.
Knez Željko
Škerget Mojca
Mandarin peel, a waste product coming from juice production, was extracted by
conventional extraction with 70% acetone. Content of flavonoids in mandarin
peel extract (MPE) was determined by HPLC. Hesperidin was the most dominant
flavonoid. Free radical scavenging activity of MPE on stable DPPH radicals
and reactive hydroxyl radicals was also evaluated. EC50 value determined in
spectrophotometrical DPPH radical assay was 0.179 mg/ml, while this value in
ESR spin trapping hydroxyl radical assay was 0.415 mg/ml. Also, MPE showed
protective effects in stabilising sunflower oil during accelerated storage.
The results indicated that mandarin peel can be a valuable source of natural
antioxidants.
Keywords: Mandarin peel, DPPH radical, hydroxyl radical, TBARS
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