Antioxidant capacity and total phenolic content of air-dried cape gooseberry physalis peruviana l. at different ripeness stages Reportar como inadecuado




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Ángela Mateus-Gómez ; Luz Patricia Restrepo-Sánchez ;Agronomía Colombiana 2014, 32 2

Autor: Carlos Eduardo Narváez-Cuenca

Fuente: http://www.redalyc.org/


Introducción



Agronomía Colombiana ISSN: 0120-9965 agrocolfabog@gmail.com Universidad Nacional de Colombia Colombia Narváez-Cuenca, Carlos Eduardo; Mateus-Gómez, Ángela; Restrepo-Sánchez, Luz Patricia Antioxidant capacity and total phenolic content of air-dried cape gooseberry ( Physalis peruviana L.) at different ripeness stages Agronomía Colombiana, vol.
32, núm.
2, 2014, pp.
232-237 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=180332010010 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative POSTHARVEST PHYSIOLOGY AND TECHNOLOGY Antioxidant capacity and total phenolic content of air-dried cape gooseberry (Physalis peruviana L.) at different ripeness stages Capacidad antioxidante y contenido total de fenoles de uchuva (Physalis peruviana L.) secada al aire en diferentes estados de maduración Carlos Eduardo Narváez-Cuenca1, Ángela Mateus-Gómez1, and Luz Patricia Restrepo-Sánchez1 ABSTRACT RESUMEN Because the use of drying at high temperatures might negatively affect the functional properties of fruits, the effect of air-drying at 60°C on the total phenolic content (TPC) and antioxidant capacity (AOC) of cape gooseberry fruit was evaluated at three ripeness stages.
The AOC was evaluated with 2,2’-azino-bis(3ethylbenzothiazoline-6-sulfonic acid) (ABTS), ferric reducing ability of plasma (FRAP), 1,1-diphenyl-2-picrylhydrazyl (DPPH), and β-carotene-linoleate assays.
The TPC and AOC increased in the fresh fruit as the ripeness stage increased.
The TPC increased from 401.8±19.8 to 569.3±22.3 mg GAE-100 g dry weight (DW).
The AOC values obtained with ABTS in the fresh fruit (ranging from 79.4±4.5 to 132.7±12.9 µmol trolox-g fruit DW) were comparable to those obtained with...





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