Salicylic Acids
Mostrando 1-12 de 42 artigos, teses e dissertações.
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1. Efficiency of garden waste compost teas on tomato growth and its suppressiveness against soilborne pathogens
ABSTRACT: The use of compost teas is of great interest to sustainable agriculture. Aerated compost tea (ACT) and aerated vermicompost tea (AVT) originating from garden waste have been analytically characterized and tested in vitro and in vivo on tomato plants to determine their suppressive effect on Rhizoctonia solani and Fusarium oxysporum f. sp. lycopersic
Sci. agric. (Piracicaba, Braz.). Publicado em: 2018-09
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2. Isoflavonoid composition and biological activity of extracts from soybean seedlings treated by different elicitors
Abstract Time-course and dose-response experiments were carried out to establish the ability for synthesizing isoflavonoids of soybean seedlings (cv. Soyica P34) treated with salicylic (SA) and isonicotinic acids (INA). Then, 25 structurally-related compounds were evaluated for their isoflavonoid-eliciting activity. Next, the antimicrobial and antioxidant ac
An. Acad. Bras. Ciênc.. Publicado em: 26/07/2018
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3. Detection of 1-aminocyclopropane-1-carboxylate oxidase activity in seeds of Stylosanthes humilis H.B.K
The activity of 1-aminocyclopropane-1-carboxylate oxidase (ACO) was characterized in seeds of the tropical legume Townsville stylo (Stylosanthes humilis) both in vitro (desalted extract of non-dormant seeds) and in vivo (entire dormant seeds). Optimum conditions for maximum in vitro ACO activity in a Trizma-HCl 100 mM buffered medium were: pH 7.0, temperatur
Theor. Exp. Plant Physiol.. Publicado em: 2013
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4. Antioxidant activity and possible bioactive components in hydrophilic and lipophilic fractions from the seaweed Halimeda incrassata
Hydrophilic and lipophilic fractions, obtained from the marine algae Halimeda incrassata (J.Ellis) J.V.Lamouroux, Halimedaceae, were studied by using the ²-carotene-linoleate assay system. In case of hydrophilic fractions, the total phenolic compounds were quantified and two of their components were identified as salicylic and ferulic acids. From the lipoph
Revista Brasileira de Farmacognosia. Publicado em: 04/02/2011
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5. Differential gene expression, induced by salicylic acid and Fusarium oxysporum f. sp. lycopersici infection, in tomato.
The objective of this work was to determine the transcript profile of tomato plants (Lycopersicon esculentum Mill.), during Fusarium oxysporum f. sp. lycopersici infection and after foliar application of salicylic acid. The suppression subtractive hybridization (SSH) technique was used to generate a cDNA library enriched for transcripts differentially expr
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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6. Potentiometric quantification and speciation of oxygenated groups in humic substances using BEST7 software
In this study the BEST7 software was employed to quantify different classes of functional groups and to model the proton titration behavior of humic substances. To illustrate the process, the Suwannee River fulvic acid of the IHSS (International Humic Substances Society) was used. Five categories - two classes of phenolic groups (phenol and cathecol), two cl
Eclética Química. Publicado em: 2010
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7. Development of a new analytical method for determination of acetylsalicylic and salicylic acids in tablets by reversed phase liquid chromatography
O ácido acetilsalicílico (AAS) é um fármaco utilizado como analgésico, antiinflamatório, antipirético, sendo amplamente comercializado e consumido no Brasil e no mundo. Como precursor de sua síntese utiliza-se o ácido salicílico (AS) que também é produzido através de sua degradação. A metodologia oficial da Farmacopéia Americana (USP) preconi
Brazilian Journal of Pharmaceutical Sciences. Publicado em: 2009-12
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8. Preparação e avaliação farmacológica de derivados dos lipídios fenólicos do líquido da casca da castanha de caju
The present work describes the utilization of Cashew Nut-Shell Liquid (CNSL), abundant source of phenolic non-isoprenoids lipids from our country, as raw material for preparation of compounds with synthetic applications as well as biological useful. The extraction, separation and characterization of CNSL phenolic nonisoprenoids lipids were done by procedures
Publicado em: 2008
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9. Café (Coffea arabica, L.) submetido a diferentes condições de torrefação: caracterização química e avaliação da atividade antioxidante e sensorial / Coffee (Coffea arabica, L.) submitted to different roasting conditions: chemical characterization and evaluation of sensorial and antioxidant activity
Evaluation of antioxidant activity of plant phenolic compounds has been studied as an alternative to the use of synthetic antioxidants, such as butil-hydroxy -toluene (BHT). In this paper we evaluated the in vitro antioxidant capacity of coffee extracts (ether, ethanol and aqueous) and fractions ( free, bound and unbound) roasted for different periods of tim
Publicado em: 2007
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10. Molybdenum (VI) binded to humic and nitrohumic acid models in aqueous solutions. Salicylic, 3-nitrosalicylic, 5-nitrosalicylic and 3,5 dinitrosalicylic acids: part 2
Apresentam-se neste trabalho, estudos eletroquímicos e espectroscópicos na região do Ultravioleta-Visível de modelos derivados do ácido salicílico de ácidos húmicos e nitrohúmicos, esse último um artefato laboratorial, na presença de molibdênio para determinar a afinidade desses modelos com esse íon metálico. Molibdênio tem um papel importante
Journal of the Brazilian Chemical Society. Publicado em: 2006-06
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11. Avaliação do uso de ácido salicílico em sementes de calêndula (Calendula officinalis L.) sob diferentes estresses / Study the use salicylic acid of marigold seeds (Calendula officinalis L.) or stressing conditions.
Marigold (Calendula officinalis L.) is an important medicinal and decorative plant also used in the kitchens and in the manufacturing of cosmetic and phytotherapic products. Plants are susceptible to biotical and non biotical aggression and independently of not showing agile movements as defence; they could present deep modifications in the cell metabolism a
Publicado em: 2006
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12. Avaliação in silico de inserções com boro em moléculas com atividade farmacológica
The growth of leukemia incidence, cardiac problems and global AIDS epidemic, with appearing of resistant forms of HIV, stimulated the search of new medications. In this work, we investigated new active pharmacologic compounds based on boron including the anti-HIV drugs. The interest in boron compounds with pharmacologic activity has increased in recent years
Publicado em: 2006