2016
DOI: 10.1590/1983-21252016v29n401rc
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Abstract: -Tomatoes are an important component of the human diet because they are rich in minerals and antioxidants that sequester free radicals in cells, preventing various disorders that affect human health. Here, we aimed to evaluate the effects of different nitrogen sources and concentrations on antioxidant capacity and physical and chemical quality of tomato fruit. The experiment was conducted in Vitória da Conquista, state of Bahia, Brazil, in the experimental field of Universidade Estadual do Sudoeste da Bahia. T… Show more

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Cited by 11 publications
(7 citation statements)
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“…Values found in this study are higher than those obtained by Pedó et al (2014) who, evaluating the physicochemical characterization of sweet cultivar bell peppers submitted to different sources and organic fertilizer dosages, obtained values of 14.27; 11.78 and 12.08 mg g -1 of carotenoids. Porto et al (2016), when evaluating the quality and antioxidant activity of tomatoes grown under different sources and doses of nitrogen, found an increase from 3.33 to 4.47 g of 100 g -1 in the carotenoid content, when the N doses were elevated from 0 to 420 kg ha -1 .…”
Section: Resultsmentioning
confidence: 98%
See 1 more Smart Citation
“…Values found in this study are higher than those obtained by Pedó et al (2014) who, evaluating the physicochemical characterization of sweet cultivar bell peppers submitted to different sources and organic fertilizer dosages, obtained values of 14.27; 11.78 and 12.08 mg g -1 of carotenoids. Porto et al (2016), when evaluating the quality and antioxidant activity of tomatoes grown under different sources and doses of nitrogen, found an increase from 3.33 to 4.47 g of 100 g -1 in the carotenoid content, when the N doses were elevated from 0 to 420 kg ha -1 .…”
Section: Resultsmentioning
confidence: 98%
“…Content of phenolic compounds and antioxidant activity of bell pepper fruits are of great relevance, thus accentuating its nutraceutical potential, a factor interconnected with the development of the plant grown in an environment favorable to a balanced fertilization. Porto et al (2016), describe that when there is a reduction in the ascorbic acid levels, in the flavonoids concentration, in the phenolic compounds content and in the antioxidant activity, the functional quality of the fruits is impaired.…”
Section: Introductionmentioning
confidence: 99%
“…In this sense, the values obtained can also differ depending on the type of extraction and quantification. The method used for this study through a spectrophotometry is considered easy, economical and fast (D'Souza et al 1992;Aguirre and Cabrera 2012;Kavitha et al 2014;Zouari et al 2014;Porto et al 2016;Del Giudice et al 2017), and is generally useful when associated with other parameters for a group analysis. Nevertheless, these measurements can be done through diverse techniques, many of them reported for tomato or related subproducts.…”
Section: Antioxidants Concentrationmentioning
confidence: 99%
“…Estos compuestos ayudan a inhibir de forma natural la inflamación de la mucosa intestinal (Hoensch y Oertel, 2015). Según Porto et al (2016), la exposición a la luz induce la producción de flavonoides en las frutas que, junto con los carotenoides, son pigmentos vegetales que protegen al organismo de los rayos UV; se encuentran, por ejemplo, en la cáscara del tomate. Kunrath et al, (2017) comprobaron una de las funciones principales de los flavonoides, al realizar un recubrimiento de propóleo a bajas concentraciones a un salami, y evaluar su acción antioxidante al inhibir la oxidación de lípidos presentes en este alimento.…”
Section: Flavonoidesunclassified