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Biochemical changes associated to soybean seeds osmoconditioning during storage PAB
BRACCINI,ALESSANDRO DE LUCCA E; REIS,MÚCIO SILVA; MOREIRA,MAURÍLIO ALVES; SEDIYAMA,CARLOS SIGUEYUKI; SCAPIM,CARLOS ALBERTO.
A work was carried out with the purpose of verifying the biochemical changes associated to soybean (Glycine max (L.) Merrill) seeds osmoconditioning. Seeds of the UFV 10, IAC 8 and Doko RC cultivars harvested at R8 development stage and submitted to different treatments were used. The biochemical evaluations were performed during seed storage, after the hydration-dehydration process. Initially, seeds were osmoconditioned in a polyethylene glycol (PEG 6000) solution, with the osmotic potential of -0.8 MPa and 20ºC, for a period of four days. After that, seeds were dried back until the initial moisture content (10-11%) and stored in natural conditions for three and six months. Two controls were used: untreated seeds (dry seeds) and water soaked seeds. Seed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Polyethylene glicol; Protein; Lipid; Hexanal.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2000000200022
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Chemical and physical composition of grain-type and food-type soybean for food processing PAB
Silva,Josemeyre Bonifácio da; Carrão-Panizzi,Mercedes Concórdia; Prudêncio,Sandra Helena.
The objective of this work was to evaluate the chemical and physical characteristics of grains of soybean (Glycine max) cultivars for food processing. The soybean cultivars evaluated were: grain-type - BRS 133 and BRS 258; food-type - BRS 213 (null lipoxygenases), BRS 267 (vegetable-type) and BRS 216 (small grain size). BRS 267 and BRS 216 cultivars showed higher protein content, indicating that they could promote superior nutritional value. BRS 213 cultivar showed the lowest lipoxygenase activity, and BRS 267, the lowest hexanal content. These characteristics can improve soyfood flavor. After cooking, BRS 267 cultivar grains presented a higher content of aglycones (more biologically active form of isoflavones) and oleic acid, which makes it proper for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Amino acids; Fatty acids; Hexanal; Isoflavones; Lipoxygenases; Sugars.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000700019
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Optimization of Malaxation Process using Major Aroma Compounds in Virgin Olive Oil BABT
Cevik,Serife; Ozkan,Gulcan; Kıralan,Mustafa.
ABSTRACT Optimization of major aroma compounds in olive oils produced from fruits at three maturity stages wasstudied. A central composite design was used for the optimization of malaxation conditions of temperature and times, each at five levels with 13 runs including five central points. The responses of interest were trans-2-hexenal and hexanal, which were investigated and their contents were optimized. A full quadratic second order regression model including the linear, quadratic, and two factor interaction effects was proposed to explain the variation in the contents of target compounds depending on the malaxation conditions. Adequacies of models were evaluated by checking regression coefficients for each model. Models were found to work with high...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hexanal; Trans-2-hexenal; Maturity; Response surface method (RSM).
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132016000100516
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Relationships among sensory analysis, isoflavone and hexanal contents of soymilk powder BABT
Silva,Josemeyre Bonifácio da; Felberg,Ilana; Carrão-Panizzi,Mercedes Concórdia; Lee,Soo Young; Prudencio,Sandra Helena.
The objective of this work was to study the sensory attributes and their relationships with isoflavones and hexanal contents of soymilks made in laboratory and commercial samples. The laboratory soymilk samples showed cooked grain and cotton candy aroma and cooked grain, malty and sweetness flavor (a mild flavor). The commercial samples presented stronger roasted soy, rancid, sesame seeds and fishy aroma and roasted soy, sesame seeds and bitterness flavor, and bitter taste (closed nose) and starchy texture. No differences were noted among laboratory soymilks, denoting inactivation of lipoxygenases enzymes in the soymilks process. There were differences between the samples prepared in laboratory and commercial soymilks, which was due to several factors...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Quantitative descriptive analysis; Hexanal; Lipoxygenases; Vegetable type soybean; Isoflavones.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000500025
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