Enzyme Maceration
Mostrando 1-12 de 12 artigos, teses e dissertações.
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1. Application and comparison of proteolytic enzyme preparations in technology of protein hydrolyzates
Abstract Protepsin belongs to the class of acid proteinases, containing carboxyl groups in the active center. The preparation cleaves peptide bonds formed by aromatic amino acids (tyrosine, phenylalanine), and does not hydrolize esters and amides. Along with the proteolytic complex, Protepsin contains collagenase, lipase, and other digestive enzymes. The pre
Food Sci. Technol. Publicado em: 2020-06
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2. Application and comparison of proteolytic enzyme preparations in technology of protein hydrolyzates
Abstract Protepsin belongs to the class of acid proteinases, containing carboxyl groups in the active center. The preparation cleaves peptide bonds formed by aromatic amino acids (tyrosine, phenylalanine), and does not hydrolize esters and amides. Along with the proteolytic complex, Protepsin contains collagenase, lipase, and other digestive enzymes. The pre
Food Sci. Technol. Publicado em: 28/11/2019
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3. Effects of Acmella oleracea methanolic extract and fractions on the tyrosinase enzyme
Abstract The aim of the current study is to evaluate the effect of Acmella oleracea (L.) R.K. Jansen, Asteraceae, methanolic extract, hexane (84.28% spilanthol) and dichloromethane (approximately 100% spilanthol) fractions on the tyrosinase enzyme. The dehydrated jambu extract was obtained through maceration using methanol. The extract residue was solubilize
Rev. bras. farmacogn.. Publicado em: 2016-06
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4. Application of enzymatic preparations to produce araçá pulp and juice
In the present study, the effect of pectinases on the production of pulp and juice of araçá and the presence of bioactive compounds were evaluated. An enzyme extract (EE) produced by Aspergillus niger LB-02-SF in solid state fermentation and the commercial enzyme Ultrazym®AFP-L were used in this study. After enzyme treatment with the EE preparation, the e
Food Sci. Technol. Publicado em: 2014-12
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5. Isolation of a yeast strain able to produce a polygalacturonase with maceration activity of cassava roots
The objective of the present study was the isolation of a yeast strain, from citrus fruit peels, able to produce a polygalacturonase by submerged fermentation with maceration activity of raw cassava roots. Among 160 yeast strains isolated from citrus peels, one strain exhibited the strongest pectinolytic activity. This yeast was identified as Wickerhamomyces
Food Sci. Technol. Publicado em: 24/05/2013
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6. MaceraÃÃo enzimÃtica de pelÃcula comestÃvel de cajà (Spondias mombin L.) para a extraÃÃo de carotenÃides. / Enzymatic maceration of edible film of yellow mombin (Spondias mombin L.) for the extraction of carotenoids
O Brasil à o terceiro maior produtor mundial no setor de fruticultura. A RegiÃo Nordeste se destaca devido ao sabor e aroma exÃtico de seus frutos e à sua enorme diversidade. PorÃm, partes dessas frutas, alÃm de perecÃveis, sÃo sazonais e daà a necessidade de se buscar alternativas tÃcnicas e econÃmicas para o aproveitamento do excedente de produ�
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/02/2010
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7. Multiplication and Virulence in Plant Tissues of Escherichia coli Clones Producing Pectate Lyase Isozymes PLb and PLe at High Levels and of an Erwinia chrysanthemi Mutant Deficient in PLe
The phytopathogenic enterobacterium Erwinia chrysanthemi strain EC16 produces four isozymes of pectate lyase (PL), an extracellular enzyme that macerates parenchymatous plant tissues and kills plant cells. A 1.8-kilobase EcoRI DNA fragment containing the entire pelE gene was deleted from the E. chrysanthemi chromosome by marker exchange of a cloned fragment
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8. pULB113, an RP4::mini-Mu plasmid, mediates chromosomal mobilization and R-prime formation in Erwinia amylovora, Erwinia chrysanthemi, and subspecies of Erwinia carotovora.
The RP4::mini-Mu plasmid pULB113, transferred from Escherichia coli strain MXR, was stable and transfer proficient in Erwinia amylovora strain EA303, E. carotovora subsp. atroseptica strain ECA12, E. carotovora subsp. carotovora strain ECC193, and E. chrysanthemi strain EC183. The plasmid mobilized an array of Erwinia sp. chromosomal markers (E. amylovora: h
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9. Donor Strains of the Soft-Rot Bacterium Erwinia chrysanthemi and Conjugational Transfer of the Pectolytic Capacity
Donor strains of Erwinia chrysanthemi ICPB EC16, a member of the soft-rot (pectolytic) section of the enterobacterial genus Erwinia, were obtained by chromosomal integration of an F′lac+ plasmid originating from Escherichia coli. These stable donor strains, selected from an unstable F′lac+ heterogenote by repeated platings of single Lac+ colonies on lact
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10. Synergistic Hydrolysis of Carboxymethyl Cellulose and Acid-Swollen Cellulose by Two Endoglucanases (CelZ and CelY) from Erwinia chrysanthemi†
Erwinia chrysanthemi produces a battery of hydrolases and lyases which are very effective in the maceration of plant cell walls. Although two endoglucanases (CelZ and CelY; formerly EGZ and EGY) are produced, CelZ represents approximately 95% of the total carboxymethyl cellulase activity. In this study, we have examined the effectiveness of CelY and CelZ alo
American Society for Microbiology.
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11. Molecular cloning of the structural gene for exopolygalacturonate lyase from Erwinia chrysanthemi EC16 and characterization of the enzyme product.
The ability of Erwinia chrysanthemi to cause soft-rot diseases involving tissue maceration in many plants has been linked to the production of endo-pectate lyase E. chrysanthemi EC16 mutant UM1005, however, contains deletions in the pel genes that encode the known endopectate lyases, yet still macerates plant tissues. In an attempt to identify the remaining
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12. RpoS (Sigma-S) Controls Expression of rsmA, a Global Regulator of Secondary Metabolites, Harpin, and Extracellular Proteins in Erwinia carotovora†
RpoS (sigma-S or sigma-38) controls a large array of genes that are expressed during stationary phase and under various stress conditions in Escherichia coli and other bacteria. We document here that plant pathogenic and epiphytic Erwinia species, such as E. amylovora; E. carotovora subsp. atroseptica, betavasculorum, and carotovora; E. chrysanthemi; E. herb
American Society for Microbiology.