Phenols Compound
Mostrando 1-12 de 29 artigos, teses e dissertações.
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1. Comparison of phenolics, antioxidant capacity and total phenol bioaccessibility of Ribes spp. grown in Turkey
Abstract In this study, anthocyanins (13), flavanols (6), phenolic acids (10), flavonol glycosides (17), antioxidant capacity, and bioaccessible phenolic content of Ribes spp., grown in Turkey were investigated. Individual phenolic compounds were identified and quantified with LC-QTOF/MS in red and black currants and hybrid Jostaberry. Significant variations
Food Sci. Technol. Publicado em: 2020-12
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2. Impact of antioxidant herbal salts on the lipid fraction, acceptability and consumption intent of roasted Dolphinfish
Abstract The impact of herbal salt as a natural antioxidant on the lipids of roasted Dolphinfish (Coryphaena hippurus Linnaeus, 1758), as well as in the sensory characteristics of this food was evaluated after using refined or herbal salts, by analyzing the differences in its fatty acid contents, thiobarbituric acid reactive substances (TBARS), product accep
Food Sci. Technol. Publicado em: 2020-12
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3. The role of seasonality on the chemical composition, antioxidant activity and cytotoxicity of Polish propolis in human erythrocytes
ABSTRACT Propolis extracts possess beneficial biological effects, such as antioxidant activity. However, the composition of propolis and biological properties of its extracts depend on many factor, including time of harvesting. The main purpose of this study was to evaluate the seasonal effect on the phenolic profile of Polish propolis extracts and their ant
Rev. bras. farmacogn.. Publicado em: 26/08/2019
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4. Optimization of a technique to quantify the total phenolic compounds in jambolan ( Syzygium cumini Lamark) pulp
Resumo São conhecidos vários métodos de extração que podem ser aplicados para a quantificação de compostos fenólicos e, portanto, cabe ao pesquisador aperfeiçoar o processo que melhor se aplica à amostra em questão. Diferentes solventes de extração (extração líquido-líquido) foram comparados a fim de avaliar a sua eficácia para a análise
Braz. J. Food Technol.. Publicado em: 18/04/2019
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5. SYNTHESIS AND ANTIFUNGAL ACTIVITY OF PALMITIC ACID-BASED NEOGLYCOLIPIDS RELATED TO PAPULACANDIN D
A series of six new palmitic acid-based neoglycolipids related to Papulacandin D were synthesized in five steps, resulting in good yields, and they were evaluated against Candida spp. All twelve synthetic intermediates were also evaluated. The synthesis involved the initial glycosylation of two phenols (4-hydroxy-3-methoxybenzaldehyde and 3-hydroxybenzaldehy
Quím. Nova. Publicado em: 2015-12
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6. Atividade antioxidante de extratos e compostos isolados de Eugenia umbelliflora e Rapanea ferrugínea / ANTIOXIDANT ACTIVITY OF ISOLATED COMPOUNDS AND EXTRACTS OF Eugenia umbelliflora and Rapanea ferruginea
Eugenia umbeliflora is popularly known as baguaçu, guapê or guaramirim in Portuguese and Brazilian Cherry in English. This species is used in popular medicine to treat diseases such as arthritis, rheumatism and diabetes, although there have been few biological studies to verify the effectiveness of these extracts. Rapanea ferruginea is popularly known as c
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/09/2011
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7. Avaliação das atividades antioxidante e antifúngica da Camellia sinensis (L.) Kuntze obtida por diferentes formas de produção / não consta
Tea is a widely used beverage in the East and spread worldwide, it is the second most consumed beverage after water. The extract product of Camellia sinensis like teas, have been consumed in the form of infusion, and their habitual consumption has widely been associated with health benefits. The several teas of C. sinensis (green, white, red and black teas)
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/08/2011
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8. Análise in vitro da atividade antioxidante do suco e extrato de maçã em células RINm5f submetidas a diferentes condições de estresse oxidativo
The phenolic compounds, found in vegetables and fruits, may have a high antioxidant activity. Apple, worlds second largest produced fruit, is classified as having one of the high antioxidant potential due to its content and profile of phenolic compounds. The aim of this research was to evaluate the antioxidant activity of apple and check its effect on cells
Publicado em: 2009
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9. Extração supercritica de folhas de Eugenia uniflora L / Supercritical extraction of leaves of Eugenia uniflora L
Examined in the literature that there is not the characterization of extracts obtained by supercritical fluid from the leaves of Eugenia uniflora L. (Surinam cherry), this work aimed to obtain these extracts varying conditions of supercritical extraction as regards temperature and pressure of 30, 40, 50 and 60 °C an d 100, 150, 200, 250 and 300 bar. It was
Publicado em: 2008
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10. Estudo da remoção de nitrogênio via nitrito e via nitrato em sistemas de lodo ativado alimentados por despejo com elevada concentração de fenol. / Study of nitrogen removal via nitrite and via nitrate in activated sludge systems fed by wastewater with high phenol concentration.
Wastewaters containing high phenol and ammonium concentrations present a great pollutant potential to the environment. An example of this kind of effluent is the discharge of coke-plants, which presents, quantitatively, the phenols as the main organic compound. Inorganic compounds are also present in these wastewaters and are mainly cyanide, thiocyanate, sul
Publicado em: 2007
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11. Atividade antiviral dos compostos fenólicos (ácidos ferúlico e transcinâmico) e dos flavonóides (quercetina e Kaempherol) sobre os Herpesvirus bovino 1, Herpesvirus bovino 5 e vírus da cinomose canina / Antiviral activity polyphenolic composites (acids ferulic and transcinnamic) and flavonoids (Quercetin e Kaenpherol) about Herpesvirus bovine 1, Herpesvirus bovine 5 and virus of canine distemper
This research it aims at for discovery and utilization of new pharmacology drugs for prevents or attenuates viral disease diverse substances, as the fitotherapic, from search for effect antiviral. Polyphenolic composites and flavonoids possess antiviral, bactericid, antifungical properties. To investigate the poliphenolic compound, (ferulic acid and transcin
Publicado em: 2006
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12. The chemical study of biological activities from the mansoa hirsuta Bignoniaceae / Estudo químico e de atividades biológicas da mansoa hirsuta D.C (Bignoniaceae)
Plants of the Bignoniaceae family in Brazil, as Mansoa hirsuta, have medicinal use and some biological activities were already proved experimentally. This study aimed to isolate and identify compounds with activity anti-Leshmania amazonensis, anti-Tripanossoma cruzi, molluscicidal, larvicidal and immunomodulatory in plant extracts of Mansoa hirsuta D.C.. The
Publicado em: 2006