Analysis of carotenoids in edible flowers of Dianthus chinensis processed by ionizing radiation
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2019
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INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE
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Over the last few years, the trend of using flowers in gastronomy, edible flowers are used in food preparations in order to add beauty, color and flavor. On the other hand, several species have active biologically substances, which play an important role in health maintenance. These highly perishable food should be grown without the use of pesticides. Thus, several methods are applied to increase the shelf life of food products, as well as ensure their quality and safety. Among the treatments, the food irradiation process has proven to be an effective tool in preserving and extending the shelf life of perishable product. Dianthus chinensis flowers, popularly known as Chinese pink (cravina), belongs to the family Caryophyllaceae, are native to Asia and Europe, are widely used in culinary preparations, being also acknowledged for their bioactive components and antioxidant properties. The purpose of this study was to evaluate carotenoids in D. chinensis flowers submitted to gamma irradiation and electron beam doses of 0.5, 0.8 and 1.0 kGy. High performance liquid chromatography was used to carotenoids determination. In the specie of edible flowers analyzed it was found carotenoid lutein (2.77 to x 7.52 mg/ 100 g). In general, the lutein was higher for irradiated samples, especially those treated with 0.8 and 1.0 kGy independently of irradiation technology. Accordingly, the applied irradiation treatments seemed to represent a feasible technology to preserve the quality of edible flower petals.
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KOIKE, AMANDA C.R.; ARAUJO, ELIAS S.; ALMEIDA-MURADIAN, LIGIA B.; VILLAVICENCIO, ANNA L.C.H. Analysis of carotenoids in edible flowers of Dianthus chinensis processed by ionizing radiation. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 21-25, 2019, Santos, SP. Proceedings... Rio de Janeiro: Associação Brasileira de Energia Nuclear, 2019. p. 2007-2014. Disponível em: http://repositorio.ipen.br/handle/123456789/30598. Acesso em: 30 Dec 2025.
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