Search Results - "Silva, Kelly A."

Use of Yarrowia lipolytica Lipase Immobilized in Cell Debris for the Production of Lipolyzed Milk Fat (LMF) by Fraga, Jully L, Penha, Adrian C B, da S Pereira, Adejanildo, Silva, Kelly A, Akil, Emília, Torres, Alexandre G, Amaral, Priscilla F F

“…Lipase immobilized on cell debris after sonication of yeast cells (LipImDebri) was used in hydrolysis reaction as a novel strategy to produce lipolyzed milk…”
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Phosphotungstic Acid as a Versatile Catalyst for the Synthesis of Fragrance Compounds by α-Pinene Oxide Isomerization: Solvent-Induced Chemoselectivity by da Silva Rocha, Kelly A., Hoehne, Juliana L., Gusevskaya, Elena V.

“…The remarkable effect of the solvent on the catalytic performance of H3PW12O40, the strongest heteropoly acid in the Keggin series, allows direction of the…”
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Phosphotungstic heteropoly acid as efficient heterogeneous catalyst for solvent-free isomerization of α-pinene and longifolene by Rocha, Kelly A. da Silva, Robles-Dutenhefner, Patricia A., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…Silica-supported H 3PW 12O 40 (PW), the strongest heteropoly acid in the Keggin series, is an efficient, environmentally friendly solid catalyst for the…”
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Jussara berry (Euterpe edulis M.) oil‐in‐water emulsions are highly stable: the role of natural antioxidants in the fruit oil by Carvalho, Aline GA, Silva, Kelly A, Silva, Laís O, Costa, André MM, Akil, Emília, Coelho, Maria AZ, Torres, Alexandre G

“…BACKGROUND Antioxidants help prevent lipid oxidation, and therefore are critical to maintain sensory quality and chemical characteristics of edible oils…”
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Esterification of camphene over heterogeneous heteropoly acid catalysts: Synthesis of isobornyl carboxylates by de Meireles, Augusto L.P., da Silva Rocha, Kelly A., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…[Display omitted] ► The catalyst was prepared by supporting of H 3PW 12O 40 on silica (PW/SiO 2). ► PW/SiO 2 is active in liquid-phase esterification of…”
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Cobalt-catalyzed oxidation of terpenes: Co-MCM-41 as an efficient shape-selective heterogeneous catalyst for aerobic oxidation of isolongifolene under solvent-free conditions by Robles-Dutenhefner, Patricia A., da Silva Rocha, Kelly A., Sousa, Edésia M.B., Gusevskaya, Elena V.

“…Co-MCM-41, which contains cobalt incorporated into the framework, is an efficient, environmentally friendly solid catalyst for the liquid-phase aerobic…”
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Pd–heteropoly acid as a bifunctional heterogeneous catalyst for one-pot conversion of citronellal to menthol by da Silva Rocha, Kelly A., Robles-Dutenhefner, Patricia A., Sousa, Edesia M.B., Kozhevnikova, Elena F., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…Pd–H 3PW 12O 40/SiO 2 catalyzes the one-pot transformation of (+)-citronellal to menthol via acid-catalyzed cyclization followed by Pd-catalyzed hydrogenation,…”
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Heteropoly acid catalysts in the valorization of the essential oils: Acetoxylation of β-caryophyllene by Rocha, Kelly A. da Silva, Rodrigues, Nathália V.S., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…H 3PW 12O 40 (PW), the strongest heteropoly acid in the Keggin series, is an active and environmentally friendly catalyst for the liquid-phase conversion of…”
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Heteropoly acid catalysts in upgrading of biorenewables: Cycloaddition of aldehydes to monoterpenes in green solvents by Cotta, Rafaela F., da Silva Rocha, Kelly A., Kozhevnikova, Elena F., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…[Display omitted] •Heteropoly acids are an environmentally benign alternative for common acid catalysts.•Monoterpenes are an abundant renewable feedstock for…”
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Heteropoly acid catalysis for the isomerization of biomass-derived limonene oxide and kinetic separation of the trans-isomer in green solvents by Cotta, Rafaela F., Martins, Rafael A., Pereira, Matheus M., da Silva Rocha, Kelly A., Kozhevnikova, Elena F., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…[Display omitted] •HPW/SiO2 promotes selective isomerization of bimass-based limonene oxide into valuable fragrance ingredients.•The reaction pathway can be…”
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Isomerization of styrene oxide to phenylacetaldehyde over supported phosphotungstic heteropoly acid by Costa, Vinícius V., da Silva Rocha, Kelly A., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…[Display omitted] ▶ The liquid-phase conversion of styrene oxide into phenylacetaldehyde was studied. ▶ Phenylacetaldehyde is an important intermediate in the…”
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Isomerization of α-pinene oxide over cerium and tin catalysts: Selective synthesis of trans-carveol and trans-sobrerol by Costa, Vinícius V., da Silva Rocha, Kelly A., de Sousa, Líniker F., Robles-Dutenhefner, Patricia A., Gusevskaya, Elena V.

“…[Display omitted] ► Mesoporous molecular sieves Sn/SiO 2 and Ce/SiO 2 were prepared by a sol–gel method. ► Both materials catalyze the liquid-phase…”
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Hydration and acetoxylation of monoterpenes catalyzed by heteropoly acid by Robles-Dutenhefner, Patricia A, da Silva, Kelly A, H. Siddiqui, M.Rafiq, Kozhevnikov, Ivan V, Gusevskaya, Elena V

“…The liquid-phase hydration and acetoxylation of limonene ( 1), β-pinene ( 2) and α-pinene ( 3) catalyzed by dissolved or silica-supported heteropoly acid H 3PW…”
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Isomerisation of α-pinene oxide over silica supported heteropoly acid H3PW12O40 by DA SILVA ROCHA, Kelly A, KOZHEVNIKOV, Ivan V, GUSEVSKAYA, Elena V

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Olive oil and lemon salad dressing microencapsulated by freeze-drying by Silva, Kelly A., Coelho, Maria Alice Z., Calado, Verônica M.A., Rocha-Leão, Maria H.M.

“…An instantaneous food emulsion was formulated containing olive oil and lemon juice using combinations of polymers, such as Alginate (ALG), Arabic gum (AG),…”
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Synthesis of 1,8-cineole and 1,4-cineole by isomerization of α-terpineol catalyzed by heteropoly acid by Leão Lana, Enio J., da Silva Rocha, Kelly A., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…The isomerization of α-terpineol ( 1) catalyzed by dissolved or silica-supported heteropoly acid H 3PW 12O 40 (PW) yields 1,8-cineole ( 2) and 1,4-cineole (…”
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Coupling of phenylacetaldehyde and styrene oxide with biorenewable alkenes in eco-friendly solvents by Cotta, Rafaela F., Martins, Rafael A., da Silva Rocha, Kelly A., Kozhevnikova, Elena F., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…[Display omitted] •Tandem isomerization of styrene oxide and addition of phenylacetaldehyde to terpenes.•Both reactions are catalyzed by CsPW, which is stable…”
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Evaluation of aging mechanisms of olive oil–lemon juice emulsion through digital image analysis by Silva, Kelly A., Rocha-Leão, Maria H., Coelho, Maria Alice Z.

“…The aging mechanisms of olive oil–lemon juice emulsions were investigated. The emulsions were prepared with xanthan gum where different concentrations of…”
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Coupling of monoterpenic alkenes and alcohols with benzaldehyde catalyzed by silica-supported tungstophosphoric heteropoly acid by Cotta, Rafaela F., da Silva Rocha, Kelly A., Kozhevnikova, Elena F., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…[Display omitted] •Heteropoly acids are an environmentally benign alternative for common acid catalysts.•Monoterpenes are an abundant renewable feedstock for…”
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One-pot synthesis of diisobornyl ether from camphene using heteropoly acid catalysts by Lana, Enio José Leão, da Silva Rocha, Kelly A., Kozhevnikov, Ivan V., Gusevskaya, Elena V.

“…A novel one-pot catalytic synthesis of diisobornyl ether directly from camphene ( 1) has been developed. The reaction occurs under near ambient conditions in…”
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