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Effect of storage period on isoflavone content and physiological quality of conventional and transgenic soybean seeds Rev. bras. sementes
Ávila,Marizangela Rizzatti; Braccini,Alessandro de Lucca; Albrecht,Leandro Paiola; Scapim,Carlos Alberto; Mandarino,José Marcos Gontijo; Bazo,Gabriel Loli; Cabral,Yara Camila Fabrin.
The objective in this research was to evaluate the isoflavone content and the physiological quality of seed from conventional and transgenic soybean cultivars before and after 180 days of storage. Twenty one soybean cultivars: CD 202, CD 206, CD 208, CD 213RR, CD 214RR, CD 215, CD 216, CD 217, CD 218, CD 221, BRS 184, BRS 185, BRS 214, BRS 244RR, BRS 245RR, BRS 246RR, BRS 255, BRS 257, BRS 258, BRS 261 and BRS 262, grown in the 2005/2006 crop season, were assayed. The seeds were packed in Kraft paper bags and stored at room temperature under laboratory conditions. Seeds were evaluated with respect to their germination and vigor (first germination count, accelerated aging and tetrazolium test) and their total isoflavone contents and respective aglycon forms...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aglycon; Glycine max; Daidzein; Genistein; Vigour.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222011000100017
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Physiological quality, content and activity of antioxidants in soybean seeds artificially aged Rev. bras. sementes
Ávila,Marizangela Rizzatti; Braccini,Alessandro de Lucca e; Souza,Cristina Giatti Marques de; Mandarino,José Marcos Gontijo; Bazo,Gabriel Loli; Cabral,Yara Camila Fabrin.
The objective of this study was to evaluate physiological quality, content, and activity of antioxidants, in soybean seeds subjected to accelerated aging during different periods. Seeds of cultivars BRS 258, BRS 262 and BRS 268, subjected to accelerated aging during 12, 24, 36 and 48 hours and non-aged seeds were used. After each aging period, the seed were evaluated by tests of: germination; first count and tetrazolium. The total of phenolic compounds, total flavonoides, total of isoflavones, and activity for eliminating ABTS●+ radicals were quantified. There were differences among cultivars according to vigor and viability only after seeds were aged. Cultivars BRS 158 and BRS 268 have shown better seed physiological quality in each aging period; however,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Isoflavones; Glycine max; Phenolic compounds; Viability; Vigor.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222012000300006
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