Malt Extracts
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Evaluating methods for the isolation of marine-derived fungal strains and production of bioactive secondary metabolites
In the present investigation we evaluate methods for the isolation and growth of marine-derived fungal strains in artificial media for the production of secondary metabolites. Inoculation of marine macroorganisms fragments in Petri dishes proved to be the most convenient procedure for the isolation of the largest number of strains. Among the growth media use
Revista Brasileira de Farmacognosia. Publicado em: 05/12/2011
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2. Atividade anti-trichomonas vaginalis de moléculas produzidas por basidiomicetos
The flagellated protozoan, Trichomonas vaginalis, causes trichomonosis, the most common non-viral sexual transmitted disease (STD) in the world. Metronidazole and tinidazole are two drugs of choice recommended by Food and Drug Administration (FDA, USA) for treatment of human trichomonosis. However, clinical or laboratory-generated drug-resistant isolates of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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3. Natural products from endophytic fungi found in association with Asteraceae species and antibiotic assay in the "Caenorhabditis elegans" infection model / Produtos naturais de fungos endofíticos associados a espécies de Asteraceae e ensaio antibiótico no modelo de infecção em "Caenorhabditis elegans"
The search for small bioactive molecules from under-explored natural sources that possess specific ecological interaction in their respective habitat has been emphasized as strategic for the discovery of bioactive compounds. Endophytic microorganisms are still relatively under-explored sources of natural products. These microorganisms live inside the host pl
Publicado em: 2010
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4. Antimicrobial activity of extracts and fractions from culture in vitro of Lentinula edodes against Xanthomonas axonopodis pv passiflorae, Guignardia citricarpa, Colletotrichum sublineolum and Tobacco mosaic virus / Atividade antimicrobiana de extratos e frações do cultivo in vitro de Lentinula edodes contra Xanthomonas axonopodis pv passiflorae, Guignardia citricarpa, Colletotrichum sublineolum e Tobacco mo
Edible mushrooms contain functional compounds, such as proteins and glucans, which exhibit antimicrobial potential against bacteria, fungi and antiviral activity. The aim of this work was to identify extracts from submerged mycelium of Lentinula edodes with antimicrobial properties against phytopathogens. Two strains of L. edodes were grown in small scale in
Publicado em: 2008
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5. Estudo da produção de mosto concentrado lupulado a partir de extrato de malte concentrado, xarope de alta maltose e lupulo. / Study of the hopped wort malt extract production by using concentrated wort malt extract, high maltose syrup and hop.
The use of extract malt concentrated as beer raw material until today little was studied. It is known that to produce clear beers and without sweet residue, it is a challenge for this ingredient. However, beers produced from extract malt concentrated, need lesser investments when if compared with the traditional method, therefore it is saved in man power, sp
Publicado em: 2007
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6. Produção e caracterização de uma [beta]-glicanase de Rhizopus microsporus var. microsporus, e seu potencial para aplicação na indústria da cerveja
In the barley malting process, partial hydrolysis of β-glucans begins with seed germination. However, the endogenous 1,3-1,4-β-glucanases are heat inactivated, and the remaining high molecular weight β-glucans may cause severe problems such as increased brewer mash viscosity and turbidity. Increased viscosity impairs pumping and filtration, re
Publicado em: 2007
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7. Characterization of the aes gene of Escherichia coli encoding an enzyme with esterase activity.
malQ mutants of Escherichia coli lacking amylomaltase cannot grow on maltose. They express the maltose system constitutively and are sensitive to maltose when grown on another carbon source. In an attempt to isolate a multicopy suppressor that would result in growth on maltose, we transformed a malQ mutant with a gene bank of E. coli DNA which had been diges
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8. Toxigenic Aspergillus and Penicillium Isolates from Weevil-Damaged Chestnuts
Aspergillus and Penicillium were among the most common genera of fungi isolated on malt-salt agar from weevil-damaged Chinese chestnut kernels (16.8 and 40.7% occurrence, respectively). Chloroform extracts of 21 of 50 Aspergillus isolates and 18 of 50 representative Penicillium isolates, grown for 4 weeks at 21.1 C on artificial medium, were toxic to day-old
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9. Pyrene Metabolism in Crinipellis stipitaria: Identification of trans-4,5-Dihydro-4,5-Dihydroxypyrene and 1-Pyrenylsulfate in Strain JK364 †
The isolation and identification of two novel metabolites in the fungal metabolism of pyrene are described. The plant-inhabiting basidiomycete Crinipellis stipitaria JK364 metabolized pyrene, a polycyclic aromatic hydrocarbon containing four rings, when grown in submerged cultures in a medium containing malt extract, glucose, and yeast extract. In experiment
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10. Effect of Genetically Modified Pseudomonas putida WCS358r on the Fungal Rhizosphere Microflora of Field-Grown Wheat
We released genetically modified Pseudomonas putida WCS358r into the rhizospheres of wheat plants. The two genetically modified derivatives, genetically modified microorganism (GMM) 2 and GMM 8, carried the phz biosynthetic gene locus of strain P. fluorescens 2-79 and constitutively produced the antifungal compound phenazine-1-carboxylic acid (PCA). In the s
American Society for Microbiology.