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1.
Braz. arch. biol. technol ; 57(5): 766-773, Sep-Oct/2014. tab, graf
Artigo em Inglês | LILACS | ID: lil-723051

RESUMO

The objective of this study was to investigate the immobilisation efficiency of soybean β-glucosidase (181.6 U/mL; 23.8 mg protein/mL) on activated chitosan beads. Central Composite Rotational Design (CCDR) 23 was used and the application of immobilised enzyme in commercial soy drink was evaluated. The activation of chitosan beads was achieved with established 2.5% glutaraldehyde, pH 7.5, 8 h incubation time (6 h with agitation and 2 h without agitation) at 37ºC. The highest immobilisation efficiency (%) of soybean β-glucosidase on chitosan beads obtained was 37.74 U/mL and 18.84 mg protein/4 chitosan beads at pH 7.5 and 20 h coupling time of enzyme-matrix (7 h with agitation and 13 h without agitation) at 4ºC. The immobilised enzyme incubated at 50ºC, pH 5.5 resulted in 24% increase in the aglycones content in commercial soy drink after 60 min.

2.
Arq. biol. tecnol ; 40(1): 9-17, mar. 1997. tab, graf
Artigo em Português | LILACS | ID: lil-240733

RESUMO

Soybean - Glycine max (L.) Merrill, cultivars Br-13 and Parana were germinated for 72 hours, with sampling every 6 hours. The effects of germination process on nutritional constituints (protein, lipid, total soluble carbohydrate) was studied. Analysis of variance and comparison of means indicated a significative increase in the protein content; decrease in the lipids and total soluble carbohydrate content up to 72 germination hours


Assuntos
Tecnologia de Alimentos , Germinação , Lipídeos , Proteínas , Glycine max
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