This study evaluated the phytochemical profile and antioxidative properties of the edible and non-edible portions of black sapote. The phytochemical analysis highlighted the presence of several bioactive compounds, differently distributed among peel, pulp and seeds. In particular, the peel resulted rich of flavan-3-ols and proanthocyanidins, whereas seeds contained high amount of organic acids, including ferulic, citric and sinapic acids. Concerning functional properties, both edible and non-edible portions showed a significant prevention of lipid peroxidation in a cell-based model. Moreover, the results suggested that the antioxidant protection involved both redox active properties and gene expression modulation. Concerning redox active properties, peel extracts showed an antioxidant activity 7/12-fold higher than the edible portion, while seed extracts were more active in increasing catalase gene expression. The obtained results confirmed that black sapote is a good source of antioxidant phytochemicals and its non-edible portions have a great potential in the production of functional foods and supplements.

Phytochemical profile and antioxidant properties of the edible and non-edible portions of black sapote (Diospyros digyna Jacq.)

Mannino G.
Co-first
;
Bertea C. M.;
2022-01-01

Abstract

This study evaluated the phytochemical profile and antioxidative properties of the edible and non-edible portions of black sapote. The phytochemical analysis highlighted the presence of several bioactive compounds, differently distributed among peel, pulp and seeds. In particular, the peel resulted rich of flavan-3-ols and proanthocyanidins, whereas seeds contained high amount of organic acids, including ferulic, citric and sinapic acids. Concerning functional properties, both edible and non-edible portions showed a significant prevention of lipid peroxidation in a cell-based model. Moreover, the results suggested that the antioxidant protection involved both redox active properties and gene expression modulation. Concerning redox active properties, peel extracts showed an antioxidant activity 7/12-fold higher than the edible portion, while seed extracts were more active in increasing catalase gene expression. The obtained results confirmed that black sapote is a good source of antioxidant phytochemicals and its non-edible portions have a great potential in the production of functional foods and supplements.
2022
380
1
10
Antioxidant activity cellular antioxidant activity; Gene expression; HPLC-DAD-MS/MS; Polyphenols; Proanthocyanidins
Mannino G.; Serio G.; Bertea C.M.; Chiarelli R.; Lauria A.; Gentile C.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/1840845
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