Now showing items 41-50 of 1084
Phenolic composition and antioxidant activity of culms and sugarcane (Saccharum officinarum L.) products
(ELSEVIER SCI LTD, 2011)
The present work reports amounts of flavonoids and phenylpropanoids of culms of three sugarcane varieties and of raw juice, syrup, molasse and VHP sugar. The antioxidant activity of those materials was evaluated by the ...
Remoção de fenol de efluentes aquosos utilizando floculação iônica
(Universidade Federal do Rio Grande do NorteBrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA QUÍMICA, 2016-01-29)
Oil exploration is one of the most important industrial activities of modern society. Despite its derivatives present numerous applications in industrial processes, there are many undesirable by-products during this process, ...
Determination of phenolic compounds in strawberries (Fragaria ananassa Duch.) by high performance liquid chromatography with diode array detection
This paper describes a method for simultaneous identification and quantification of phenolic compounds in strawberries followed by a reversed-phase high performance liquid chromatography (HPLC) with diode array detection. ...
Phenolic composition and sensory characteristics of Cabernet Sauvignon wines: effect of water stress and harvest date
The effect of three water status level and two harvest date 55 and 64days after veraison (DAV) on phenolic and sensory composition of Cabernet Sauvignon wines were investigated. The later harvest date led to wine with a ...
Characterization of phenolic acids profile from chilean red wines by high-performance liquid chromatography
(Sociedad Chilena de Quimica, 2011)
The success of Chilean wine in the international market has led to an important attention on the development of science and technology for wine differentiation, productivity, and quality. In order to report the profile of ...
Determination of Total Phenolic Content in Olive Oil Samples by UV-visible Spectrometry and Multivariate Calibration
The viability of determining the total phenolic content in olive oil samples by chemometric analysis of UV-vis spectral data was studied. As a result, a novel spectrophotometric method that does not require prior analyte ...