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1.
Braz. j. microbiol ; 49(4): 879-884, Oct.-Dec. 2018. tab, graf
Article in English | LILACS | ID: biblio-1039268

ABSTRACT

ABSTRACT The multi-enzyme complex (crude extract) of white rot fungi Pleurotus ostreatus, Pleurotus eryngii, Trametes versicolor, Pycnosporus sanguineus and Phanerochaete chrysosporium were characterized, evaluated in the hydrolysis of pretreated pulps of sorghum straw and compared efficiency with commercial enzyme. Most fungi complexes had better hydrolysis rates compared with purified commercial enzyme.


Subject(s)
Fungal Proteins/chemistry , Sorghum/chemistry , Cellulases/chemistry , Fungi/enzymology , Lignin/chemistry , Fungal Proteins/metabolism , Plant Stems/microbiology , Plant Stems/chemistry , Sorghum/microbiology , Cellulases/metabolism , Biocatalysis , Fungi/chemistry , Hydrolysis , Lignin/metabolism
2.
Biosci. j. (Online) ; 28(6): 971-977, nov./dec. 2012. tab
Article in Portuguese | LILACS | ID: biblio-914342

ABSTRACT

Atualmente as castanhas têm recebido atenção especial, pois são fontes naturais de vitaminas, minerais, proteínas e ácidos graxos essenciais, podendo assim contribuir para a dieta humana e de animais. Pesquisas recentes confirmam que esses alimentos são fontes ainda de compostos bioativos, os quais podem trazer benefícios significativos à saúde humana. Este trabalho teve como objetivo avaliar a composição química de castanhas da espécie sapucaia (Lecythis pisonis Cambess.) localizadas na zona da mata mineira. Foram analisadas a composição centesimal (lipídios, proteínas, carboidratos, cinzas e umidade), teor de minerais por espectrometria de plasma e perfil lipídico por cromatografia gasosa. A composição centesimal revelou 54,8% de lipídios; 26,82% de proteínas; 5,01% de carboidratos; 3,17% de cinzas e 10,2% de umidade. Quanto ao perfil lipídico, 43,1% eram ácidos graxos polinsaturados, 41,7% ácidos graxos monoinsaturados e 15,2% ácidos graxos saturados. Os minerais fósforo, magnésio e manganês se destacaram pelos elevados teores, 941; 343 e 4,8 mg.100-1, respectivamente. A castanha de sapucaia é uma potencial fonte energéticoprotéica e de minerais importantes para a saúde, mas deve ter sua toxicidade avaliada.


Currently the nuts have received special attention of researchers because they are natural sources of vitamins, minerals, protein and essential fatty acids, could also contribute to the diet of humans and animals. Recent research confirms that these foods are also sources of bioactive compounds, which can bring significant benefits to human health through regular consumption. This study evaluated the chemical composition of sapucaia nut (Lecythis pisonis Cambess.) of the state of Minas Gerais. We analyzed the chemical composition (lipids, proteins, carbohydrates, ash and moisture), and the mineral content by mass spectrometry, and the lipid profile by gas chromatography. The chemical composition showed 54,8% lipids; 26,82% protein; 5,01% carbohydrates; 3,17% ash and 10,2% moisture. The lipid, 43,1% were polyunsaturated fatty acids, monounsaturated fatty acids 41,7% and 15,2% saturated fatty acids. The minerals phosphorus, magnesium and manganese are highlighted by high levels, 941; 343 and 4,8 mg.100-1, respectively. Sapucaia nut is a potential protein-energy and minerals source, but its toxicity must be evaluated.


Subject(s)
Chemical Phenomena , Lecythidaceae
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