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| Genovese,Maria Inés; Davila,Jorge; Lajolo,Franco M.. |
| Soy products produced in Ecuador, with a local developed and cultivated soybean variety (INIAP 306), were analysed for isoflavone content and profile. The products presented high total isoflavone contents, varying from 53 to 106 mg/100 g (wet basis, expressed as aglycones), the lowest content being for okara and the highest for the low fat soybean flour obtained by extrusion cooking of the seeds at the field moisture. Soy nuts showed the same content of isoflavones than the seeds, but with lower amounts of malonylglycosides and higher of the deesterified beta-glycosides. The malonylglycosides were the predominant form of the isoflavones in the flours, and the beta-glycosides in soymilk and textured soy protein. Genistein derivatives were the compounds... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ecuadorian soybean products; Isoflavone content; Isoflavone profile. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000600020 |
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| Figueiredo,Vitória Ribeiro Garcia de; Justus,Ariana; Pereira,Dafne Garcia; Georgetti,Sandra Regina; Ida,Elza Iouko; Kurozawa,Louise Emy. |
| Abstract This work aimed to evaluate the enzymatic hydrolysis of okara protein concentrate with respect to degree of hydrolysis (DH) in order to obtain a protein hydrolysate with high antioxidant capacity and aglycones isoflavone content. A central composite rotatable design was carried out to evaluate the influence of temperature (40 to 70°C), enzyme:substrate ratio (0.5 to 5.0%, g/100g protein) and pH (7.0 to 9.0) on DH. The optimal condition was 55°C, pH 9 and enzyme:substrate ratio of 5.0%, resulting a DH value of 35.5%. After protein hydrolysis at optimal condition, the antioxidant capacities of hydrolysate increased from 58.29 to 383.49 μM Trolox equivalent/g solids (ABTS method) and 2.41 to 15.32 μM Trolox equivalent/g solids (FRAP method) when... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Soy pulp; Peptides; Cleavage of protein; Isoflavone profile; Electrophoresis; Experimental design. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100505 |
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