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Chemical composition and antioxidant activity of dried powder formulations of A...
Carneiro, Andreia A.J.; Ferreira, Isabel C.F.R.; Dueñas, Montserrat; Barros, Lillian; Silva, Roberto; Gomes, Eleni; Santos-Buelga, CelestinoSeveral mushroom species have been pointed out as sources of antioxidant compounds, besides their important nutritional value. Agaricus blazei and Lentinus edodes are among the most studied species all over the world, but those studies focused on their fruiting bodies instead of other presentations like powdered preparations used as supplements. In the present work the chemical composition (nutrients and bioact...
Agaricus blazei and Lentinus edodes dried formulations: chemical composition an...
Barros, Lillian; Carneiro, Andreia A.J.; Dueñas, Montserrat; Silva, Roberto da; Gomes, Eleni; Santos-Buelga, Celestino; Ferreira, Isabel C.F.R.A balanced diet is one of themainstays ofiherapyfor the prevention of the oxidative stress, which if cannot beeliminated, at leastcan be controlled. Food antioxidants may help intrinsic antioxidant mechanisms to fight against oxidative stress. Several mushroom species have been pointed out as sources of antioxidant compounds, besides their nimportant nutritional value. Agaricus blazei and Lentimrs edodes are am...
Poliporóides (Basidiomycota) em fragmentos de mata no perímetro urbano de São J...
Abrahão,Maira Cortellini; Gugliotta,Adriana De Mello; Gomes,EleniFoi realizado levantamento das espécies de fungos poliporóides que ocorrem no perímetro urbano do município de São José do Rio Preto (20º49'12" S, 49º22'44" W), Estado de São Paulo, Brasil. Foram identificadas 18 espécies pertencentes a 11 gêneros de Agaricales (Schizophyllaceae), Hymenochaetales (Hymenochaetaceae) e Polyporales (Ganodermataceae, Gloeophyllaceae, Meruliaceae e Polyporaceae): Coriolopsis floccos...
Enzimas termoestáveis: fontes, produção e aplicação industrial
Gomes,Eleni; Guez,Marcelo Andrés Umsza; Martin,Natalia; Silva,Roberto daREVIEW: Living organisms encountered in hostile environments that are characterized by extreme temperatures rely on novel molecular mechanisms to enhance the thermal stability of their proteins, nucleic acids, lipids and cell membranes. Proteins isolated from thermophilic organisms usually exhibit higher intrinsic thermal stabilities than their counterparts isolated from mesophilic organisms. Although the molec...
Produção de geléia de jambolão (Syzygium cumini Lamarck): processamento, parâme...
Lago,Ellen Silva; Gomes,Eleni; Silva,Roberto daA fruta jambolão (Syzygium cumini Lamarck) é uma fruta de coloração roxa intensa e sabor agradável. Dado que não há na literatura nenhum relato de seu aproveitamento industrial, a produção de geléia de jambolão tornou-se uma interessante atividade de pesquisa. Este trabalho objetivou a elaboração e a avaliação das características físico-químicas e sensoriais da geléia obtida do jambolão. A fruta apresentou a se...
Screening of bacterial strains for pectinolytic activity: characterization of t...
Soares,Márcia M.C.N.; Silva,Roberto da; Gomes,EleniOne hundred sixty eight bacterial strains, isolated from soil and samples of vegetable in decomposition, were screened for the use of citrus pectin as the sole carbon source. 102 were positive for pectinase depolymerization in assay plates as evidenced by clear hydrolization halos. Among them, 30% presented considerable pectinolytic activity. The cultivation of these strains by submerged and semi-solid fermenta...
Utilização do resíduo líquido de indústria de processamento de suco de laranja ...
Tavares,Valquíria Barco; Sivieri,Kátia; Ceron,Carlos Roberto; Silva,Roberto da; Trabuco,Elizeu; Lombardi,Fábio Renato; Gomes,EleniPenicillium citrinum grown in orange juice processing wastes medium under continuous agitation was studied in order to establish optimal conditions (incubation period, incubation temperature, initial pH and nitrogen addition) for biomass and ribonuclease production, as well as, biological depuration of the wastes. Nitrogen addition to wastes medium increased the biomass and ribonuclease production and provides ...
Ribonuclease Production by Aspergillus species
Gomes,Eleni; Silva,Roberto da; Serzedello,AlcidesRibonuclease production by Aspergillus flavipes, A. sulphureus and A. fischeri in semi-synthetic medium, after 24-144 hours at 30ºC under shaking, was studied. After cultivation, the medium was separated from micelia by filtration and the resultant solution was used as enzymatic extract. The highest amount of biomass and RNase was obtained after 96 hours of cultivation. The enzymes produced by three species pre...
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