Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Leomara Floriano Ribeiro"'
1
Akademický článek
Development of Adsorbent Materials Using Residue from Coffee Industry and Application in Food dye Adsorption Processes
Autor: Luiz Eduardo Nochi de Castro, Débora Alessandra Jones Battocchio, Leomara Floriano Ribeiro, Leda Maria Saragiotto Colpini
Publikováno v: Brazilian Archives of Biology and Technology, Vol 66 (2022)
Abstract The aim of this study was to develop an adsorbent from coffee husk, residue from the coffee industry by different activation methods and to evaluate its application in the treatment of effluent containing synthetic Ponceau 4R dye. The activa
Externí odkaz: https://doaj.org/article/50541e67d1424cfeaa397b0914bd56b9
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2
Akademický článek
Bioactive compounds from brewer’s spent grain: phenolic compounds, fatty acids and in vitro antioxidant capacity
Autor: Aline da Rosa Almeida, Márcia Regina Ferreira Geraldo, Leomara Floriano Ribeiro, Marcos Vieira Silva, Matheus Vinicius de Oliveira Brisola Maciel, Charles Windson Isidoro Haminiuk
Publikováno v: Acta Scientiarum: Technology, Vol 39, Iss 3, Pp 269-277 (2017)
Brewer's spent grain (BSG) was characterized by physicochemical, total phenolic compound and flavonoids contents. Antioxidant activity was evaluated by four different assays. The chromatographic analyses were used to quantify the phenolic compounds a
Externí odkaz: https://doaj.org/article/17090d99684d446f9bfcff7b6e0d8733
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3
Development of Adsorbent Materials Using Residue from Coffee Industry and Application in Food dye Adsorption Processes
Autor: Luiz Eduardo Nochi de Castro, Débora Alessandra Jones Battocchio, Leomara Floriano Ribeiro, Leda Maria Saragiotto Colpini
Publikováno v: Brazilian Archives of Biology and Technology v.66 2023
Brazilian Archives of Biology and Technology
Instituto de Tecnologia do Paraná (Tecpar)
instacron:TECPAR
The aim of this study was to develop an adsorbent from coffee husk, residue from the coffee industry by different activation methods and to evaluate its application in the treatment of effluent containing synthetic Ponceau 4R dye. The activations wer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6e7a3a22c96b30085c61db79b5f1c3c
https://doi.org/10.1590/1678-4324-2023210125
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8
Exploratory analysis of bioactive compounds and antioxidant potential of grape (Vitis vinifera) pomace
Autor: Leomara Floriano Ribeiro, Rosemary Hoffmann Ribani, Ana Paula Stafussa, Cleyton Nascimento Makara, Ivanise Guilherme Branco, Giselle Maria Maciel, Charles Windson Isidoro Haminiuk
Publikováno v: Acta Scientiarum. Technology; Vol 44 (2022): Publicação contínua; e56934
Acta Scientiarum. Technology; v. 44 (2022): Publicação contínua; e56934
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
The aim of this study was to explore the profile of bioactive compounds of Merlot grape pomace by different methodologies including phenolic composition by spectrophotometry, chromatography and spectroscopy and its antibacterial activity. Additionall
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4ba02a7ae23c9d664882683efea0a58
https://doi.org/10.4025/actascitechnol.v44i1.56934
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9
Multi-block analysis coupled with GC-FID and ATR-MIR for the evaluation of thermal degradation in vegetable oils
Autor: Evandro Bona, Leomara Floriano Ribeiro, Valéria Rampazzo, Giselle Maria Maciel, Maresa Custódio Molinari Ferreira, Poliana Macedo Santos, Charles Windson Isidoro Haminiuk
Publikováno v: Journal of Chromatography B. :118-125
The effect of heating in twenty-four different oil samples was evaluated via iodine value (IV), gas chromatography (GC) and mid-infrared (MIR) analyses. Common components and specific weights analysis (CCSWA) was applied to distribute the samples acc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a148263fda9218355934e9cd862dbf2
https://doi.org/10.1016/j.jchromb.2018.02.031
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10
The screening of organic matter in mineral and tap water by UHPLC-HRMS
Autor: André Luiz Justi, Alexandra Christine Helena Frankland Sawaya, Marcos A. Ribeiro, Valquiria de Moraes Silva, Eduardo C. Meurer, Michael Murgu, Leomara Floriano Ribeiro
Publikováno v: Talanta. 174:581-586
It is highly desirable to screen for a large variety of organic compounds in water. Ultra-high performance liquid chromatography coupled to high-resolution mass spectrometry (UHPLC-HRMS) can analyse semi-polar to polar organic compounds in tap and mi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b44f604e77127ac4ec7bc018c7e9e48b
https://doi.org/10.1016/j.talanta.2017.06.055
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