2012
DOI: 10.1590/s0101-20612012005000031
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Thermal properties of defatted meal, concentrate, and protein isolate of baru nuts (Dipteryx alata Vog.)

Abstract: Baru (Dipteryx alata Vog.), a species of legume found in the Brazilian savannas, was investigated in this study for the composition of its flesh and seed. Thermal analyses, Thermogravimetry (TG), and Differential Scanning Calorimetry (DSC) were used to investigate the proteins in defatted meal, concentrate, and protein isolate. The protein concentrate was extracted at pH 10, followed by a precipitation at the isoelectric point to obtain the isolate that was spray dried. The thermogravimetric curves were obtain… Show more

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Cited by 13 publications
(14 citation statements)
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“…In this regard, LH thermal stability associated with the denaturation temperature of globular proteins suggests the existence of polypeptides with more compact tertiary conformation (Tang & Sun, 2011;Zhao et al, 2011). In the case of EH, lower enthalpy values are representative of a structure that is less ordered (hydrogen bonds breaking) and more susceptible to heat or enzymatic treatments Guimarães et al, 2012). Results obtained for the thermal properties evaluated were correlated with those obtained by electrophoretic profile assays.…”
Section: Thermal Propertiesmentioning
confidence: 93%
“…In this regard, LH thermal stability associated with the denaturation temperature of globular proteins suggests the existence of polypeptides with more compact tertiary conformation (Tang & Sun, 2011;Zhao et al, 2011). In the case of EH, lower enthalpy values are representative of a structure that is less ordered (hydrogen bonds breaking) and more susceptible to heat or enzymatic treatments Guimarães et al, 2012). Results obtained for the thermal properties evaluated were correlated with those obtained by electrophoretic profile assays.…”
Section: Thermal Propertiesmentioning
confidence: 93%
“…Vale ressaltar que não existem dados disponíveis na literatura sobre capacidades de absorção de água e de óleo para torta de amêndoas de baru desengorduradas com solventes alcoólicos. Entretanto, de acordo com Nunes et al (2016) e Guimarães et al (2012), para a torta de amêndoas de baru desengordurada com hexano, em um único estágio, são reportados os valores de 1,18 a 2,26 g água/g amostra para capacidade de absorção de água e de 1,56 a 2,00 g óleo/g amostra para capacidade de absorção de óleo, respectivamente.…”
Section: Methodsunclassified
“…Dentre o perfil protéico da amêndoa de baru desengordurada, a fração predominante é a globulina (52,88 -61,70 %), seguido de albumina (14,00 -14,09 %), gluteína (3,30 -9,63 %) e prolamina (0,50 -0,54 %) (CRUZ et al, 2011;GUIMARÃES et al, 2012).…”
Section: Perfil Proteico Das Amêndoas De Baruunclassified
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