Search Results - "del Valle, José M"

Using the strategic relative alignment index for the selection of portfolio projects application to a public Venezuelan Power Corporation by García-Melón, Mónica, Poveda-Bautista, Rocío, Del Valle M, José L

“…In this paper a new approach that uses the alignment of projects with corporate strategic objectives to prioritize project portfolio in an efficient and…”
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Matrix effects in supercritical CO₂ extraction of essential oils from plant material by Araus, Karina, Uquiche, Edgar, del Valle, José M

“…In this work, we reviewed the effect of the solid matrix in the supercritical CO₂ (SC-CO₂) extraction of essentials oils from plant material. A diffusional…”
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Supercritical CO2 extraction of solids using aqueous ethanol as static modifier is a two-step mass transfer process by del Valle, José M., Martín, Ángel, Cocero, María José, de la Fuente, Juan C., de la Cruz - Quiroz, Reynaldo

“…[Display omitted] •CO2, ethanol and water allow biphasic extraction under SuperCritical (SC) conditions.•SC-CO2 extraction of S. platensis with static (ethanol…”
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Radial Variations in Axial Velocity Affect Supercritical CO2 Extraction of Lipids from Pre-pressed Oilseeds by del Valle, José M, Núñez, Gonzalo A., Díaz, J. Facundo, Gelmi, Claudio A.

“…Packed beds of spherical particles in a cylindrical vessel have a high porosity region next to the vessel wall that allows preferential fluid flow…”
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Astaxanthin extraction from Haematococcus pluvialis using CO2-expanded ethanol by Reyes, Fabián A., Mendiola, José A., Ibañez, Elena, del Valle, José M.

“…•In-depth response surface analysis was done for scCO2 extraction of H. pluvialis.•Ethanol cosolvent affected extract’ antioxidant activity more than pressure…”
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Solubility of carotenoid pigments (lycopene and astaxanthin) in supercritical carbon dioxide by de la Fuente, Juan C., Oyarzún, Bernardo, Quezada, Nathalie, del Valle, José M.

“…This contribution provides basic data for developing an extraction process for carotenoid compounds in terrestrial and marine plants with supercritical CO 2…”
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Time Fractionation of Minor Lipids from Cold-Pressed Rapeseed Cake Using Supercritical CO2 by Uquiche, Edgar, Fica, Ximena, Salazar, Katherine, del Valle, José M.

“…This work explored the possibility of using supercritical carbon dioxide (SC-CO 2 ) to achieve fractionation of pre-pressed rapeseed ( Brassica napus ) cake…”
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Effect of high-pressure compaction on supercritical CO2 extraction of astaxanthin from Haematococcus pluvialis by Reyes, Fabián A., Sielfeld, Caroline S., del Valle, José M.

“…Supercritical (sc) carbon dioxide (CO2) has the potential of extracting high-value compounds such as astaxanthin from Haematococcus pluvialis microalgae…”
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Solubilities in Supercritical Carbon Dioxide of (2E,6E)-3,7,11-Trimethyldodeca-2,6,10-trien-1-ol (Farnesol) and (2S)-5,7-Dihydroxy-2-(4-hydroxyphenyl)chroman-4-one (Naringenin) by Núñez, Gonzalo A, del Valle, José M, de la Fuente, Juan C

“…We measured the solubility in supercritical carbon dioxide (CO2) of farnesol [(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-ol] and naringenin…”
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Adsorbent-assisted supercritical CO2 extraction of carotenoids from Neochloris oleoabundans paste by Reyes, Fabián A., Mendiola, José A., Suárez-Alvarez, Sonia, Ibañez, Elena, del Valle, José M.

“…•A direct extraction of microalgae paste is proposed using low cost adsorbents.•Water extraction dynamics was studied using sea sand and active carbon.•The…”
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Solubility of menadione and dichlone in supercritical carbon dioxide by Reveco-Chilla, Andrea G., Cabrera, Adolfo L., de la Fuente, Juan C., Zacconi, Flavia C., del Valle, José M., Valenzuela, Loreto M.

“…This work reports the solubility of menadione (2-methyl-1,4-naphthoquinone) and dichlone (2,3-dichloro-1,4-naphthoquinone) in SuperCritical (SC) carbon dioxide…”
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Solubility of 1,3-Dimethyl-7H-purine-2,6-dione (Theophylline) in Supercritical Carbon Dioxide by Fuente, Juan C. de la, Núñez, Gonzalo, Valle, José M. del

“…This contribution provides complementary experimental data of solubility (y 2, molar fraction) of solid 1,3-dimethyl-7H-purine-2,6-dione (theophylline) in…”
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Supercritical CO2 extraction of allicin from garlic flakes: Screening and kinetic studies by del Valle, José M., Glatzel, Verónica, Martínez, José L.

“…The nutraceutical industry is currently interested in obtaining garlic extracts using mild extraction processes to recover high levels of labile allicin. This…”
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Synthesis and solubility measurement in supercritical carbon dioxide of two solid derivatives of 2-methylnaphthalene-1,4-dione (menadione): 2-(Benzylamino)-3-methylnaphthalene-1,4-dione and 3-(phenethylamino)-2-methylnaphthalene-1,4-dione by Zacconi, Flavia C., Nuñez, Olga N., Cabrera, Adolfo L., Valenzuela, Loreto M., del Valle, José M., de la Fuente, Juan C.

“…•Two menadione derivatives were synthesized, purified and characterized.•Solubility of menadione derivatives in SC-CO2 was measured at T<333K,…”
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Supercritical CO2 extraction of Chilean hop (Humulus lupulus) ecotypes by Valle, José M. del, Rivera, Oscar, Teuber, Osvaldo, Palma, Teresa M

“…Hops (Humulus lupulus L) have very stringent requirements of diurnal light hours during flowering. Thus, the beer industry is permanently assessing new…”
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Fractionation technologies for liquid mixtures using dense carbon dioxide by Bejarano, Arturo, Simões, Pedro C., del Valle, José M.

“…•Main fractionation applications include lipid mixtures, essential oils, and alcoholic beverages.•Fractionation in packed columns is the most common technology…”
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Extrusion affects supercritical CO2 extraction of red pepper (Capsicum annuum L.) oleoresin by Uquiche, Edgar, Millao, Sonia, del Valle, José M.

“…Carotenoids provide red colour and antioxidant properties in formulated foods. High-value, carotenoid-rich oleoresin can be extracted from red pepper using…”
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Effect of heat transfer on the pressurization, extraction, and depressurization stages of a supercritical CO2 extraction process. 1. Development and validation of the heat transfer model by Toledo, Felipe R., del Valle, José M.

“…We modeled and simulated the heat and mass transfer in the depressurization, pressurization, and extraction stages of a supercritical CO2 extraction process…”
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Extraction of natural compounds using supercritical CO2: Going from the laboratory to the industrial application by del Valle, José M.

“…•Experiments provide a mass transfer parameter for optimally pretreated substrates.•Computer simulation (CS) helps optimizing industrial multi-vessel (MV) SFE…”
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Effect of supercritical CO2 modified with ethanol on the extraction yield and antimicrobial activity of bioactive compounds from aerial parts of Berberis microphylla G. Fort by Cuéllar, Laura M., Escobedo-Avellaneda, Zamantha, del Valle, José M.

“…Calafate (Berberis microphylla G. Forts) is an endemic plant from the Patagonian area of Chile and Argentina, with a high content of bioactive compounds. In…”
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