Chemical composition, antioxidant and antibacterial activities of essential oils from leaves and flowers of Eugenia klotzschiana Berg (Myrtaceae).

abstract：:Urolithiasis is a disorder of kidneys in which stones formation occur due to the excessive deposition of minerals in the urinary tract. It affects 12% of the population worldwide. Salvia hispanica seeds are rich source of quercetin which has preventive role in renal stone formation. The study objective was to explore ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Saleem U,Ahmad N,Shah MA,Anwar F,Ahmad B

更新日期：2020-11-16 00:00:00

abstract：:The aim of this study was to evaluate the production performance of Nile tilapia post-larvae and fingerlings fed with increasing levels of alcoholic extract of propolis into diets. In Experiment 1, 1800 post-larvae were distributed in 30 tanks, in a completely randomized design with five treatments composed by the inc...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Santos LDD,Zadinelo IV,Silva LCRD,Zilli RL,Barreiros MAB,Mauerwerk MT,Meurer F

更新日期：2019-05-23 00:00:00

abstract：:A multivariable deterministic extremum seeking (ES) is being evaluated to construct an adaptive Proportional-Integral-Derivative (PID) control law for the functional Neuromuscular Electrical Stimulation (NMES) of stroke patients. The developed scheme is applied to control the position of the patient's arm so that move...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Roux-Oliveira T,Costa LR,Pino AV,Paz P

更新日期：2019-02-14 00:00:00

abstract：:Hepatic disorders such as steatosis and alcoholic steatohepatitis are common diseases that affect thousands of people around the globe. This study aims to identify the main phenol compounds using a new HPLC-ESI+-MS/MS method, to evaluate some oxidative stress parameters and the hepatoprotective action of green dwarf c...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bispo VS,Dantas LS,Chaves AB Filho,Pinto IFD,Silva RPD,Otsuka FAM,Santos RB,Santos AC,Trindade DJ,Matos HR

更新日期：2017-04-01 00:00:00

abstract：:Soybeans contain about 30% carbohydrate, mainly consisting of non-starch polysaccharides (NSP) and oligosaccharides. NSP are not hydrolyzed in the gastrointestinal tract of monogastric animals. These NSP negatively affect the development of these animals, especially the soluble fraction. This work aimed to establish a...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bueno RD,Borges LL,God PIVG,Piovesan ND,Teixeira AI,Cruz CD,Barros EG

更新日期：2018-01-01 00:00:00

abstract：:There is growing evidence that, during song learning, birds do not only acquire 'what to sing' (the inventory of behavior), but also 'how to sing' (the singing program), including order-features of song sequencing. Common Nightingales Luscinia megarhynchos acquire such serial information by segmenting long strings of ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Hultsch H,Todt D

更新日期：2004-06-01 00:00:00

abstract：:The infrared spectrum (amide I' region) of Kunitz soybean trypsin inhibitor (SBTI) was obtained in D2O solution and resolved into Gaussian components. A prominent broad band centered at 1643 cm-1 is shown on the unresolved spectrum, which is usually assigned to N-deuterated peptide groups in an unordered structure, si...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ventura MM

更新日期：1989-01-01 00:00:00

abstract：:Twenty-two nitrogen-fixing Bacillus azotofixans strains were shown to produce an inhibition zone against themselves in plate assays. The B. azotofixans type strain P3L-5, chosen for further studies, produced inhibition zones against various Bacillus strains and other bacterial genera. This antibacterial substance was ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Seldin L,Penido EG

更新日期：1990-03-01 00:00:00

abstract：:The objective of this study was to estimate variance components for performance and carcass traits in a paternal broiler line. The (co)variance components were estimated by the restricted maximum likelihood method applied to the animal model, including the fixed effect of group (sex and hatch) and additive genetic and...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Cruz VAR,Grupioni NV,Mendonça GG,Venturini GC,Ledur MC,Peixoto JO,Munari DP

更新日期：2020-01-01 00:00:00

abstract：:The objective of this study was to evaluate the effect of controlled atmosphere (CA) on quality preservation of 'Laetitia' plums, mainly on internal breakdown, in order to determine the best CA storage conditions. Two experiments were carried out one in 2010, and another in 2011. In 2010, besides cold storage (CS; 21....

journal_title：Anais da Academia Brasileira de Ciencias

authors： Steffens CA,do Amarante CV,Alves EO,Brackmann A

更新日期：2014-03-01 00:00:00

abstract：:The present study describes Tereancistrum flabellum n. sp. (Dactylogyridae, Ancyrocephalinae) from the gills of the anostomid fishes Leporinus friderici, Leporinus amblyrhynchus and Leporinus elongatus from two freshwater ecosystems in the south east of Brazil. This new species is mainly characterized by the morpholog...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Zago AC,Yamada FH,Franceschini L,Bongiovani MF,Yamada POF,Silva RJD

更新日期：2017-04-01 00:00:00

abstract：:Since William James (1890) first distinguished primary from secondary memory, equivalent to short- and long-term memory, respectively, it has been assumed that short-term memory processes are in charge of cognition while long-term memory is being consolidated. From those days a major question has been whether short-te...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Vianna MR,Izquierdo LA,Barros DM,Walz R,Medina JH,Izquierdo I

更新日期：2000-09-01 00:00:00

abstract：:Properties of L(+) lactate dehydrogenase (LDH) of Electrophorus electricus (L.) electric organ were studied, comparing the substrates pyruvate and lactate. Electric organ LDH is a soluble enzyme with a pH optimum of 7.4 for pyruvate and 9.0 for lactate. The apparent Km was lower for pyruvate (Km = 2.5 X 10(-4) M) than...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Torres-da Matta J,Nery da Matta A,Hassón-Voloch A

更新日期：1976-01-01 00:00:00

abstract：:A simple and reliable method for the measurement of sodium and potassium in blood serum without any sample dilution by using flow injection and atomic absorption spectrophotometry is described. A sample throughout of 100 measurements per hour is possible. Matrix problems have not been encountered. The coefficient of v...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Burguera JL,Burguera M,Gallignani M

更新日期：1983-06-01 00:00:00

abstract：:Gabapentin has antihyperalgesic action, decreasing central sensitization in neuropathic pain models; this effect depends on the mobilization of endogenous pain control pathways. This study aims to investigate the contribution of the endocannabinoid system to the antihyperalgesic action of gabapentin. Mus musculus Swis...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Buffon AC,Javornik MA,Heymanns AC,Salm DC,Horewicz VV,Martins DF,Piovezan AP

更新日期：2020-12-14 00:00:00

abstract：:Some membrane characteristics of the isolated electrocyte of the Sachs organ are presented as function of temperature. Excitability curves are shown for electrocytes kept in standard saline at different temperatures. It is shown that rheobase varies directly with temperature. Apparently membrane resistance varies from...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Esquibel MA,Negreiros J,Gawryszewski LG

更新日期：1980-09-01 00:00:00

abstract：:Terrestrial impact structures are geological and geomorphological features with particular importance to understand the history and evolution of the planet. Impact structures are scattered around the world but in many countries these features are under threat, essentially due to anthropic factors. Impact structures wi...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sánchez JP,Brilha JBR

更新日期：2017-04-01 00:00:00

abstract：:In the Budgerigar Melopsittacus undulatus, the significance of a conspecific alarm call was investigated in two seasons, winter and spring. Two qualitatively different behavioral responses were displayed by the receivers in reply to playbacks: call(s) and/or taking flight(s). The comparative analysis of the number of ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Nicolas G,Fraigneau C,Aubin T

更新日期：2004-06-01 00:00:00

abstract：:The Caatinga's black snake Boiruna sertaneja is a Pseudoboini species, endemic of the Caatinga biome. It is rare and fits in five traits that suggest it deserve more attention in reproduction research and conservation policies. Here we provide information on reproductive biology of B. sertaneja by adding new data abou...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Guedes T,Guedes A

更新日期：2020-01-01 00:00:00

abstract：:The Epinephelidae form a group of species of high biological and economical interests. It´s phylogeographic patterns are not well known especially the distributed populations in the western region of the Atlantic Ocean. Among the representatives is a small species called Cephalopholis fulva, Coney, which presents a wi...

journal_title：Anais da Academia Brasileira de Ciencias

authors： De Souza AS,Dias Júnior EA,Galetti PM Jr,Machado EG,Pichorim M,Molina WF

更新日期：2015-03-01 00:00:00

abstract：:This study suggests the employment of accumulated sediments in the reservoir of Tucuruí (Pará /Brazil) to remineralize the surrounding degraded soils. The approach was based on the principles of stonemeal technology. It suggests that the soil can be rejuvenated by crushed rocks rich in macro and micronutrients. Remova...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Theodoro SH,Leonardos OH,Rocha E,Macedo I,Rego KG

更新日期：2013-03-01 00:00:00

abstract：:This work was carried out in two small fishing communities, Barra de Mamanguape and Tramataia, Northeastern Brazil. The aim was to study these traditional fishermen's knowledge and perception about tide and wind classifications, as well as their fishing strategies and techniques. Our research methodology involved vari...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Bezerra DM,Nascimento DM,Ferreira EN,Rocha PD,Mourão JS

更新日期：2012-09-01 00:00:00

abstract：:Drought is a natural and recurrent phenomenon. It is considered 'a natural disaster' whenever it occurs in an intensive manner in highly populated regions, resulting in significant damage (material and human) and loss (socioeconomic). This paper presents the efforts developed to monitor the impact of drought in the se...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Alvalá RCS,Cunha APMA,Brito SSB,Seluchi ME,Marengo JA,Moraes OLL,Carvalho MA

更新日期：2019-01-01 00:00:00

abstract：:The classic episode of biological invasion: Cochliomyia macellaria (Fabricius, 1775) versus Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) - evaluation of the biotic potential. The biotic of the native fly Cochliomyia macellaria and the exotic Chrysomya megacephala was compared, through the reproduct...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Barbosa LS,Couri MS,Coelho VM,Avelino-Capistrano F

更新日期：2016-09-01 00:00:00

abstract：:This paper records the first report of Megastigmus transvaalensis Hussey (Hymenoptera: Torymidae) in Brazilian peppertree, Schinus terebinthifolius Raddi (Anacardiaceae) drupes in Sorocaba, state of São Paulo, Brazil. This wasp is an invasive species and was found damaging S. terebinthifolius drupes in urban areas (35...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ferreira-Filho PJ,Piña-Rodrigues FC,Silva JM,Guerreiro JC,Ghiotto TC,Piotrowski I,Dias LP,Wilcken CF,Zanuncio JC

更新日期：2015-10-01 00:00:00

abstract：:A new azhdarchoid pterosaur from the Upper Cretaceous of Patagonia is described. The material consists of an incomplete edentulous lower jaw that was collected from the upper portion of the Portezuelo Formation (Turonian-Early Coniacian) at the Futalognko site, northwest of Neuquén city, Argentina. The overall morphol...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Kellner AWA,Calvo JO

更新日期：2017-01-01 00:00:00

abstract：:Two experiments (E) were carried out to evaluate the effects of fumaric acid and an acidifier blend [composed by calcium formate, calcium lactate and medium-chain fatty acids (capric and caprylic)] in piglet diets containing colistin (40 ppm) or halquinol (120 ppm) on performance, diarrhea incidence (E1), organs relat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Grecco HAT,Amorim AB,Saleh MAD,L P Tse M,Telles FG,Miassi GM,Pimenta GM,Berto DA

更新日期：2018-02-19 00:00:00

abstract：:The isolated chick retina provides an in vitro tissue model, in which two protocols were developed to verify the efficacy of a peptide in the excitability control of the central gray matter. In the first, extra-cellular potassium homeostasis is challenged at long intervals and in the second, a wave is trapped in a rin...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lima VM,Piqueira JR,Hanke W

更新日期：2009-03-01 00:00:00

abstract：:Primaquine and chloroquine are used for the treatment of malaria; evidence from the literature suggests that these drugs may induce oxidative stress. In this study we investigated the effects of primaquine and chloroquine on oxidative damage and DNA damage in brain, liver and kidney of rats after 7, 14 and 21 days of ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Giovanella F,Ferreira GK,de Prá SD,Carvalho-Silva M,Gomes LM,Scaini G,Gonçalves RC,Michels M,Galant LS,Longaretti LM,Dajori AL,Andrade VM,Dal-Pizzol F,Streck EL,de Souza RP

更新日期：2015-08-01 00:00:00

abstract：:The degradation kinetics of vitamin C in different citrus juice types (tangerine, grapefruit, orange and lime) were investigated during four hours storage at temperatures of 4 and 25°C under different storage conditions in terms of light and oxygen presence. The loss of vitamin C at each sample followed the first-orde...

journal_title：Anais da Academia Brasileira de Ciencias

authors： NakilcioĞlu-TaŞ E,ÖtleŞ S

更新日期：2020-06-12 00:00:00