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Antioxidants 2013, 2(3), 132-155;

The Antioxidants Changes in Ornamental Flowers during Development and Senescence

Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, via Celoria 2, Milano 20133, Italy
Author to whom correspondence should be addressed.
Received: 11 July 2013 / Revised: 24 July 2013 / Accepted: 26 July 2013 / Published: 6 August 2013
(This article belongs to the Special Issue Plant Antioxidants)
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The concentration of antioxidant compounds is constitutive and variable from species to species and is also variable considering the development of the plant tissue. In this review, we take into consideration the antioxidant changes and the physiological, biochemical and molecular factors that are able to modulate the accumulation of antioxidant compounds in ornamental flowers during the whole development process until the senescence. Many ornamental flowers are natural sources of very important bioactive compounds with benefit to the human health and their possible role as dietary components has been reported. The most part of antioxidants are flower pigments such as carotenoids and polyphenols, often present in higher concentration compared with the most common fruits and vegetables. The antioxidants content changes during development and during senescence many biochemical systems and molecular mechanisms are activated to counteract the increase of reactive oxygen species and free radicals. There is a tight correlation between antioxidants and senescence processes and this aspect is detailed and appropriately discussed. View Full-Text
Keywords: antioxidant; edible; flower; ornamentals; senescence antioxidant; edible; flower; ornamentals; senescence

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Cavaiuolo, M.; Cocetta, G.; Ferrante, A. The Antioxidants Changes in Ornamental Flowers during Development and Senescence. Antioxidants 2013, 2, 132-155.

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