2011
DOI: 10.1590/s0103-84782011005000107
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Atividade antioxidante de Hibiscus sabdariffa L. em função do espaçamento entre plantas e da adubação orgânica

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Cited by 32 publications
(18 citation statements)
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References 14 publications
(8 reference statements)
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“…The spacing did not influence on content of constituents, but the addition of poultry litter has enhanced the responses both in aqueous and ethanolic extract. The ethanolic extract has higher antioxidant activity (Ramos et al, 2011). The data indicate the importance of the continuity of phytochemical and cultivation studies and especially in the evaluation of other biological activities.…”
Section: Introductionmentioning
confidence: 78%
“…The spacing did not influence on content of constituents, but the addition of poultry litter has enhanced the responses both in aqueous and ethanolic extract. The ethanolic extract has higher antioxidant activity (Ramos et al, 2011). The data indicate the importance of the continuity of phytochemical and cultivation studies and especially in the evaluation of other biological activities.…”
Section: Introductionmentioning
confidence: 78%
“…This suggests that the content of this secondary compound is related to genetic factors of the cassava plants, as indicated by Ramos et al (2011). This acid is present in plant tissues, and has inhibitory effects on the growth of fungi and the production of mycotoxins.…”
Section: Thementioning
confidence: 94%
“…In the interaction between the fertilization and time of leaf collection, a quadratic fit was only obtained at 30 d after nitrogen fertilization ( Figure 1), with the minimum response of the compound occurring at a dose of 70 kg ha -1 . Data obtained by Ramos et al (2011) showed that the contents of antioxidant flavonoids, including ferulic acid, in the ethanolic extract and in the hot aqueous extract of rosella leaves were significantly affected by the addition of poultry litter (substrate rich in N) to the plant crop. On average, there was a 18% increase in the hot aqueous extract content and a 16% increase in the ethanolic extract content between data obtained with and without poultry litter.…”
Section: Thementioning
confidence: 99%
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“…Produz flores e folhas muito utilizadas como fonte para confecção de produtos fitoterápicos e alimentícios, sendo as flores boa fonte de vitaminas A, B e C, de cálcio, ferro, fósforo e aminoácidos (Freitas et al, 2013). As folhas e flores apresentam efeitos terapêuticos como antioxidantes (Ramos et al, 2011) e antibacterianas (Maciel et al, 2012).…”
Section: Introductionunclassified