Výsledky vyhledávání

Polyphenol Characterization in Red Beverages of Carapa procera (D.C.) Leaf Extracts

Autor: Yves Lozano, Augustin Amissa Adima, Emmanuelle Meudec, Emmanuel N. Koffi, Félix Adjé, Kisselmina Y. Koné, Emile M. Gaydou, Paul Lozano

Publikováno v: Beverages
Beverages, 2019, 5 (4), ⟨10.3390/beverages5040068⟩
Volume 5
Issue 4
Beverages, MDPI, 2019, 5 (4), ⟨10.3390/beverages5040068⟩

The red aqueous beverages of Carapa procera (D.C.) leaf extracts were investigated for their polyphenol contents using HPLC-DAD, HPLC-ESI-MS, and semipreparative HPLC. Polyphenols were extracted, clarified, and concentrated using a multistep process

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ed8919de428cd9ef1f0013f2afe9f5e
https://hal.inrae.fr/hal-02966663/file/2019_Adje_Beverages.pdf

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4′,5′-Dihydroxy-epiisocatalponol, a new naphthoquinone from Tectona grandis L. f. heartwood, and fungicidal activity

Autor: Didier Stien, Florence Bobelé Niamké, Adjumane Aimé Kadio, Doreen Kim Soh Goh, Nadine Amusant, Yves Lozano, Nicolas Leménager, Séraphin Kati-Coulibaly, Christian Jay-Allemand, Gilles Chaix, Augustin Amissa Adima

Publikováno v: International Biodeterioration and Biodegradation
International Biodeterioration and Biodegradation, Elsevier, 2012, 74, pp.93-98. ⟨10.1016/j.ibiod.2012.03.010⟩

A new naphthoquinone derivative was isolated from the heartwood of the teak stem. The chemical structure of this new compound, 40,50-dihydroxy-epiisocatalponol, was determined using 1-D and 2-D nuclear magnetic resonance experiments, vibrational circ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4601e4a6f34e348eef149c3853cce74
https://doi.org/10.1016/j.ibiod.2012.03.010

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Effects of Temperature and Other Operational Parameters on Chlorella vulgaris Mass Cultivation in a Simple and Low-Cost Column Photobioreactor

Autor: Maryline Abert Vian, Félix Adjé, Bio Sigui Bruno Bamba, Yves Lozano, Carole C. Tranchant, Allassane Ouattara, Paul Lozano

Publikováno v: Applied Biochemistry and Biotechnology
Applied Biochemistry and Biotechnology, Humana Press, 2015, 177 (2), pp.389-406. ⟨10.1007/s12010-015-1751-7⟩

International audience; Mass production of microalgae worldwide, and even more so in developing countries, is strongly contingent upon the availability of economical and efficient photobioreactors (PBRs) that are amenable for use in resource-limited

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45959ad4024a1eda415ec0df23cf2734
https://hal.inrae.fr/hal-02636579

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Effect of reverse osmosis concentration coupled with drying processes on polyphenols and antioxidant activity obtained from Tectona grandis leaf aqueous extracts

Autor: Yves Lozano, Paul Lozano, Yves-Alain Bekro, Emmanuelle Meudec, Emmanuel N. Koffi, Félix Adjé

Publikováno v: Journal of Applied Research on Medicinal and Aromatic Plants
Journal of Applied Research on Medicinal and Aromatic Plants, Elsevier, 2015, 2 (2), pp.54-59. ⟨10.1016/j.jarmap.2015.03.001⟩
Journal of Applied Research on Medicinal and Aromatic Plants 2 (2), 54-59. (2015)

Tectona grandis leaf extracts obtained at pilot scale processes (ultrasound-assisted extraction, cross-flow microfiltration, reverse osmosis concentration) contains phenolic compounds that exhibit antioxidant properties. The final reverse osmosis con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f02be3f3aa3194bd7b75cf1e47f3605c
https://hal.archives-ouvertes.fr/hal-01982717

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Anthocyanin and Flavonoid Production from Perilla frutescens: Pilot Plant Scale Processing Including Cross-Flow Microfiltration and Reverse Osmosis

Autor: Linghua Meng, Bin Li, Emile M. Gaydou, Yves Lozano, Isabelle Bombarda

Publikováno v: Journal of Agricultural and Food Chemistry

Extraction and concentration at a pilot plant scale of anthocyanins and flavonoids from Perilla frutescens var. frutescens harvested in the Guangzhou area of China were investigated. The study of extraction efficiency using mineral acids and organic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28b871271d956dc256a111855d17c96f
https://doi.org/10.1021/jf0604079

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Innovative Technologies Used at Pilot Plant and Industrial Scales in Water-Extraction Processes

Autor: Linghua Meng, Yves Lozano

Publikováno v: Alternative Solvents for Natural Products Extraction ISBN: 9783662436271

Water remains the cheapest and the safest solvent to eco-friendly extract number of biogenic substances from the worldwide biodiversity to produce natural water-soluble extracts containing several biomolecule families such as polysaccharides, protein

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49b56d602ea54a2bea2395671c51bb28
https://doi.org/10.1007/978-3-662-43628-8_13

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Phenolic Composition of Litchi Fruit Pericarp

Autor: Véronique Cheynier, Christine Le Guernevé, and Yves Lozano, Erwan Le Roux, Pascale Sarni-Manchado

Publikováno v: Journal of Agricultural and Food Chemistry
Journal of Agricultural and Food Chemistry, American Chemical Society, 2000, 48 (12), pp.5995-6002. ⟨10.1021/jf000815r⟩

Litchi (Litchi chinensis, Sapindaceae) is a nonclimacteric subtropical fruit that, once harvested, loses its red pericarp color because of browning reactions probably involving polyphenols. Low-pressure chromatography, high-pressure liquid chromatogr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f158cfebb603410fa12afefeb2577179
https://doi.org/10.1021/jf000815r

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A-type proanthocyanidins from pericarp of Litchi chinensis

Autor: Thierry Doco, Erwan Le Roux, Yves Lozano, Pascale Sarni-Manchado, Véronique Cheynier

Publikováno v: Phytochemistry
Phytochemistry, Elsevier, 1998, 48 (7), pp.1251-1258
HAL

A tannin extract was isolated from freeze-dried litchi pericarp (Litchi chinensis). HPLC analysis, after thioacidolysis reaction, revealed that this tannin fraction consisted of epicatechin units linked by both A- and B-type interflavonoid bonds. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1430c24408157af0c06f65dcce0d831
https://doi.org/10.1016/s0031-9422(97)01070-4

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Polyphenol extraction and characterization of Justicia secunda Vahl leaves for traditional medicinal uses

Autor: Emannuelle Meudec, Christine Le Guernevé, Emmanuel N. Koffi, Paul Lozano, Yves Lozano, Yves-Alain Bekro, Félix Adjé

Publikováno v: Industrial Crops and Products
Industrial Crops and Products, Elsevier, 2013, 49, pp.682-689. ⟨10.1016/j.indcrop.2013.06.001⟩

Water extracts of Justicia secunda leaves are used by village communities in southern countries to prepare traditional medicines at home. The beverage is usually obtained by boiling the plant in water. On a pilot plant scale, water extracts were proc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bcb1b24be5b66a9b07ba56a30977d3a
http://agritrop.cirad.fr/570136/

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Isolation and Characterization of Soluble Polysaccharides and Insoluble Cell Wall Material of the Pulp from Four Mango (Mangifera indica L.) Cultivars

Autor: Jean-Marc Brillouet, Didier Olle, Yves Lozano

Publikováno v: Journal of Agricultural and Food Chemistry. 44:2658-2662

Mature green fruits from monoembryonic (Amelie and Palmer) and polyembryonic (M'Bingue and Tete de Chat) mango cultivars were initiated to ripen with ethylene (10 ppm, 24 h) and then left to reach full ripeness (6 days). After elimination of skin and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::075e1f09d0a8c3939d01605c288f7e26
https://doi.org/10.1021/jf9507506

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