This study involved the application of response surface methodology to recover amylase-inhibiting protein fractions from oats, rice and wheat, in order to promote strategic procedures to reduce the risk of fungal contamination. ...

The objective of this work was to evaluate the incidence of aflatoxin B1 (AFB B1), deoxynivalenol (DON), ochratoxin A (OTA), and zearalenone (ZEA) in parboiled rice with respect to its chemical composition. Eight lots from ...

Foi estudada a extração simultânea de aflatoxinas (AFLAs) B1, B2, G1 e G2 em cebolas por meio de técnica de dispersão da matriz em fase sólida (MSPD), utilizando-se a casca de arroz como adsorvente. A identificação e ...

The objective of this work was to evaluate the solid-state fermentation with Rhizopus oryzae CCT 7560 of rice bran for the enrichment of proteins and the antioxidant compounds in the fermented biomass. Fermentation was ...

The aim of this study was to investigate the use of protein-phenolic based coating made from fermented rice bran on cherry tomatoes (Lycopersicum esculentum). Tests were performed with glycerol 3% (v/v), glycerol with ...

Neste trabalho, foram feitas associações dos níveis de compostos fenólicos obtidos de farelo de arroz com a inibição da multiplicação dos fungos Fusarium graminearum, Aspergillus oryzae e Aspergillus flavus, e a inibição ...

Biosurfactants present advantages in relation to the synthetic surfactants, as the biodegradability and low toxicity, and can be applied in the food industry, in pharmaceutical products, cosmetics and in the petroleum ...

The process of biodegradation of soils contaminated by animal (raw fish oil) and mineral (toluene) origin compounds was studied, verifying the influence of adding biosurfactants and chemical surfactants and nutrients in ...

The QuEChERS extraction method followed by quantification using HPLC/ UV-FL was evaluated for deoxynivalenol (DON) and zearalenone (ZEA) determination in natural and parboiled rice and their fractions (bran and husk). The ...

This study validated a simple and applied method for determining mycotoxins aflatoxin B1, aflatoxin B2, ochratoxin A, zearalenone and deoxynivalenol, in water from the rice production chain. Five solvent combinations for ...

The work herewith investigated the production of yeast biomass as a source of protein, using Yarrowia lipolytica NRRL YB-423 and raw glycerol from biodiesel synthesis as the main carbon source. A significant influence of ...

The production of safe food has stimulated the search for natural substances that possess antifungal activity. The indirect methods of estimating fungal biomass are based on the measurement of glucosamine, ergosterol and ...

for extracting high amounts of γ -oryzanol from rice bran and for verifying its stability in different solvents. Of the 5 methods under investigation, the one that yielded the highest γ -oryzanol content was further improved ...

Neste trabalho foram estudadas as melhores condições para a desidratação osmótica de laranjas, sendo verificadas as alterações nas características físico-químicas da fruta. Um planejamento experimental fatorial 23 completo ...

The antifungal activity from rice, oat and wheat crude proteic extracts on the development of Fusarium graminearum CQ244, Aspergillus flavus CCT 1217 and Rhizopus oryzae CCT 7560 was investigated intending to identify their ...

The application of natural antifungal substances is motivated by the need for alternatives to existing methods that are not always applicable, efficient, or that do not pose risk to consumers or the environment. Furthermore, ...

Four fungicide trials were conducted in northern RS state during 2009. Six treatments, from the combination of one (flowering = F) or two applications (F + 10 days) of metconazole sprayed alone or in mixture with pyraclostrobin ...

This article presents an evaluation of the pollution of river water by herbicides used in the culture of irrigated rice in Rio Grande do Sul State, Brazil. Firstly, a theoretical evaluation was made using the approaches ...

O estudo avalia a degradação do herbicida propanil e de seu principal produto de degradação, a 3,4-dicloroanilina (3,4-DCA), em água de irrigação de lavouras de arroz irrigado no Estado do Rio Grande do Sul, Brasil. Além ...

Desenvolveu-se e validou-se um novo método para avaliar os níveis de resíduo e a dissipação do fungicida clorotalonil em tomates e pepinos cultivados em estufas experimentais. Os vegetais foram submetidos a uma única ...