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Phenolic compounds, organic acids and antioxidant activity of grape juices produced in industrial scale by different processes of maceration.
The effect of maceration process on the profile of phenolic compounds, organic acids composition and antioxidant activity of grape juices from new varieties of Vitis labrusca L. obtained inExpand
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Ultrasound-assisted lipase-catalyzed transesterification of soybean oil in organic solvent system.
This work reports the transesterification of soybean oil with ethanol using two commercial immobilized lipases under the influence of ultrasound irradiation. The experiments were performed in anExpand
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Kinetics of solvent-free lipase-catalyzed glycerolysis of olive oil in surfactant system.
This work reports experimental data and kinetic modeling of solvent-free glycerolysis of olive oil using a commercial immobilized lipase (Novozym 435) in the presence of Triton X-100 surfactant forExpand
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In vitro assessment of the acaricidal activity of carvacrol, thymol, eugenol and their acetylated derivatives on Rhipicephalus microplus (Acari: Ixodidae).
This study reports the comparative evaluation of the activity of carvacrol, thymol, eugenol and their respective acetylated derivatives (carvacrol acetate, thymol acetate and eugenol acetate) onExpand
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Production and partial characterization of lipases from a newly isolated Penicillium sp. using experimental design
Aims:  The objective of this work was to investigate the lipase production by a newly isolated Penicillium sp., using experimental design technique, in submerged fermentation using a medium based onExpand
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Synthesis of eugenyl acetate through heterogeneous catalysis
ABSTRACT This work aimed the production of eugenyl acetate through heterogeneous chemical catalysis of eugenol and acetic anhydride as substrates by commercial Lewatit ® GF 101 resin as catalyst.Expand
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Rapid determination of flavonoids and phenolic acids in grape juices and wines by RP-HPLC/DAD: Method validation and characterization of commercial products of the new Brazilian varieties of grape.
A method for rapid determination of phenolic compounds by reversed-phase high-performance liquid chromatography (RP-HPLC), using a new column of faster resolution was validated and used toExpand
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Integrated analyses of phenolic compounds and minerals of Brazilian organic and conventional grape juices and wines: Validation of a method for determination of Cu, Fe and Mn.
The phenolic profile and antioxidant activity (AOX) of "organic vs. conventional" Brazilian wines and grape juices were analyzed. A simple method for the determination of minerals Cu, Fe and Mn byExpand
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The application of textile sludge adsorbents for the removal of Reactive Red 2 dye.
Sludge from the textile industry was used as a low-cost adsorbent to remove the dye Reactive Red 2 from an aqueous solution. Adsorbents were prepared through the thermal and chemical treatment ofExpand
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Qualitative lead extraction from recycled lead-acid batteries slag.
The pyrometallurgic process that the exhausted batteries are submitted for the recovery of metallic lead generates great amount of a by-product called slag. The slag is composed mainly of iron (Expand
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