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High resistance to Sclerotinia sclerotiorum in transgenic soybean plants transformed to express an oxalate decarboxylase gene. Repositório Alice
CUNHA, W. G; TINOCO, M. L. P.; PANCOTI, H. L.; RIBEIRO, R. E.; ARAGAO, F. J. L..
bitstream/item/181865/1/Cunha-et-al-2010-Plant-Pathology.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Transgenic soybean; White mould; Oxalate decarboxylase; Oxalic acid.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/872618
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Reaction of common bean progenies to white mold derived from recurrent selection Ciência Rural
Souza,Danuza Araújo de; Pereira,Fernanda Aparecida Castro; Dias,Juliana Andrade; Leite,Monik Evelin; Santos,João Bosco dos.
This study was realized with the objective of verifying the resistance to white mold of common bean progenies derived from recurrent selection for resistance to angular leaf spot. The plant material used was obtained from a program of recurrent selection, which was started by crossing seven lines with carioca grain type with ten sources of resistance to angular leaf spot according to the partial diallel scheme. To evaluate the resistance to white mold, it was verified the reaction of 17 parents plus 35 selected progenies, to oxalic acid. Huge heterogeneity among the parents was observed, showing that some of them have resistance alleles to white mold, and thus, there is a possibility of recombine these alleles through the recurrent selection and obtaining...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus vulgaris; Oxalic acid; Physiological resistance.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000400001
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Rumex induratus leaves: interesting dietary source of potencial bioactive compounds IPB - Escola Superior Agrária
Ferreres, F.; Ribeiro, V.; Gil Izquierdo, A.; Rodrigues, M.A.; Seabra, R.M.; Andrade, P.B.; Valentão, P..
The phenolic compounds of Rumex induratus leaves were determined by HPLC-DAD-MS/MS-ESI. The results revealed a profile composed of 19 compounds: caffeoyl-hexoside, two p-coumaroyl-hexoside isomers, feruloyl-hexoside, sinapoyl-hexoside, 6-C-hexosyl-quercetin, 8-C-hexosyl-luteolin, 6-C-hexosyl-luteolin, 6-C-hexosyl-apigenin, 3-O-hexosyl-quercetin, 3-O-rutinosyl-quercetin, 7-O-hexosyl-diosmetin, 3-O-rutinosyl-isorhamnetin, 7-O-(acetyl)-pento-hexosyl-diosmetin, 6-C-hexosyl-genkwanin, and four unidentified O-glycosyl-C-glycosylflavones. The quantification of the identified phenolics by HPLC-DAD showed 6-C-hexosyl-luteolin as the main compound. Organic acid composition was determined by HPLC-UV, revealing a high content of oxalic acid. R. induratus was also...
Tipo: Article Palavras-chave: Rumex induratus; Phenolic compounds; Oxalic acid; Antioxidant activity.
Ano: 2006 URL: http://hdl.handle.net/10198/2200
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Screening of traditional South African leafy vegetables for specific anti-nutritional factors before and after processing Ciênc. Tecnol. Aliment.
ESSACK,Humaira; ODHAV,Bharti; MELLEM,John Jason.
Abstract This study investigated the effect of processing on anti-nutritional factors of thirteen traditional leafy vegetables collected in Kwa Zulu-Natal, South Africa. The aim was to determine whether processing reduced anti-nutrient levels of leafy vegetables. The vegetables were boiled in a plant-to-distilled water ratio of 1:4 (w/v) at 97 °C for a time period of 5 and 15 min. The vegetables studied were: Amaranthus dubius, Amaranthus hybridus, Asystasia gangetica, Bidens pilosa, Ceratotheca triloba, Chenopodium album, Emex australis, Galinsoga parviflora, Guilleminea densa, Momordica balsamina, Oxygonum sinuatum, Physalis viscosa and Solanum nigrum. From this study, it was determined that non processed samples contained anti-nutrients such as tannins,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Traditional leafy vegetables; Tannins; Phytic acid; Alkaloid; Oxalic acid; Cyanogenic glycoside.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612017000300462
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Use of Aspergillus niger in the bioleaching of colemanite for the production of boric acid Electron. J. Biotechnol.
Bayat,Oktay; Arslan,Volkan; Bayat,Belgin.
Colemanite is one of the most important underground riches of Turkey, having approximately 60% of the world boron deposits, and it has a large portion in the deposits. In this study, chemical leaching and biological leaching methods were used for production of boric acid from colemanite (2CaO · 3B3O3 · 5H2O) (Emet-Kütahya, Turkey). Oxalic acid concentration, temperature, stirring time and solid-to-liquid ratio were taken as parameters in the chemical leaching process. It was found that the dissolution rate increases with increasing oxalic acid concentration and temperature but it decreases at higher solid-to-liquid ratios in the chemical leaching process. Using optimum conditions (d100 = 0.075 mm; 5% solids by weight; 0.55 M oxalic acid; 80 ± 2ºC...
Tipo: Journal article Palavras-chave: Aspergillus niger; Bioleaching; Boric acid; Chemical leaching; Colemanite; Oxalic acid.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000300007
Registros recuperados: 5
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