Phenolic content and antioxidant capacity of infusions herbs: Optimization of phenolic extraction and HPLC-DAD method.

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：:Castor bean (Ricinus communis L.) is cultivated mainly for biodiesel production because of its oil-rich seeds; it is assumed to be an anemophylous species. But pollination deficit can lead to low productivity often attributed to other reasons. In this paper, we investigated pollination requirements, pollination mechan...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rizzardo RA,Milfont MO,Silva EM,Freitas BM

更新日期：2012-12-01 00:00:00

abstract：:Obligatory intracellular parasites such as Plasmodium sp, Trypanosoma cruzi, Toxoplasma gondii and Leishmania sp are responsible for the infection of hundreds of millions of individuals every year. These parasites can deliver antigens to the host cell cytoplasm that are presented through MHC class I molecules to prote...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rodrigues MM,Boscardin SB,Vasconcelos JR,Hiyane MI,Salay G,Soares IS

更新日期：2003-12-01 00:00:00

abstract：:Sterna hirundinacea (Lesson, 1831) is a migratory seabird that breeds in the Pacific Coast (from Peru to Chile) and along the Atlantic coast of South America from Espírito Santo (Brazil) to Terra del Fuego (Argentina). This paper describes the reproductive success of South American Terns on Cardos Island, Florianopoli...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fracasso HA,Branco JO

更新日期：2012-06-01 00:00:00

abstract：:The structural complexity of galls depends on species-specific interaction driven by the galling taxa. However, the host plant and environment stressors can impose limits on gall developmental patterns and impact the establishment of gall morphology. Herein, we employed qualitative and quantitative approaches in order...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira DC,Martini VC,Moreira ASFP,Fuzaro L,GonÇalves LA

更新日期：2020-10-19 00:00:00

abstract：:Understading the hydrodynamic behavior and suspended particulated matter (SPM) transport are of great importance in port regions such as Vitória Harbor, which is located at Vitória Bay, Vitória - ES, Brazil. Vitória Bay is an estuary that has not been systematically assessed through a temporal analysis in order to ide...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Garonce FAA,Quaresma VS

更新日期：2014-06-01 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：:The aquatic environment presents daily and/or seasonal variations in dissolved oxygen (DO) levels. Piava faces different DO levels in the water due to its distributional characteristics. The goal of this study was to describe the effects of low DO levels on plasma ion, biochemical and oxidative variables in piava juve...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Copatti CE,Bolner KCS,Londero ÉP,Rosso FL,Pavanato MA,Baldisserotto B

更新日期：2019-08-19 00:00:00

abstract：:The EEG has been widely employed in the assessment of electrophysiological changes induced by distinct medications. Its sensibility in detecting alterations produced by a specific substance may be enhanced by methods of quantitative analyses (qEEG). The present study aimed at investigating the modulatory effects of br...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sampaio I,Puga F,Veiga H,Cagy M,Piedade R,Ribeiro P

更新日期：2008-06-01 00:00:00

abstract：:This work describes the utilization of two groups of programs in searching for characteristic signals of NMR 13C of steroidal compounds. The first group of programs used data bases with the spectral data and a methodology that enables the choice and the search of substructures. The chemical shifts and multiplicities f...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lins AP,Furlan M,Gastmans JP,Emerenciano Vde P

更新日期：1991-06-01 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：:Piper betle L., is an evergreen perennial creeper belonging to family Piperaceae and is known to possess numerous medicinal properties. Current study focuses on evaluating antioxidant and antimicrobial potential of betel leaf. For the present study, distilled water, hexane, acetone and ethanolic extracts of two variet...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Sarma C,Rasane P,Kaur S,Singh J,Singh J,Gat Y,Garba U,Kaur D,Dhawan K

更新日期：2018-10-01 00:00:00

abstract：:The intercropping is an important cultural practice commonly used in pest management. It is based on the principle that increased plant diversity in the agro-ecosystem can lead to reductions of pest populations in the crop. The current study aimed to assess the impact the colored fiber cotton-cowpea intercropped syste...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Fernandes FS,Godoy WAC,Ramalho FS,Malaquias JB,Santos BDB

更新日期：2018-01-01 00:00:00

abstract：:This study investigates the relationships between yield and evaporation as a function of lake morphology in semi-arid Brazil. First, a new methodology was proposed to classify the morphology of 40 reservoirs in the Ceará State, with storage capacities ranging from approximately 5 to 4500 hm3. Then, Monte Carlo simulat...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Campos JN,Lima IE Neto,Studart TM,Nascimento LS

更新日期：2016-05-31 00:00:00

abstract：:Candidiasis has become an important concern for clinical practice, especially with the increasing incidence of immunocompromised patients. In this scenario, the development resistance to fluconazole presents a challenge for treating these opportunistic infections. The aim of this study was to evaluate some epidemiolog...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Neves-Junior A,Cartágenes-Pinto AC,Rocha DA,de Sá LF,Junqueira Mde L,Ferreira-Pereira A

更新日期：2015-08-01 00:00:00

abstract：:The Cyperaceae species are present in different ecosystems and constitute the herbaceous extract. Of the approximately 5,500 species of the family; a third has Kranz anatomy, representing an important characteristic of the taxonomy and phylogeny of the group. In Cyperus laxus L. (non-Kranz) and Fimbristylis dichotoma ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Martins S,Scatena VL

更新日期：2013-04-01 00:00:00

abstract：:Lyroglossa and Pteroglossa (Orchidaceae: Spiranthinae) are first recorded for Rio Grande do Sul. Descriptions, illustrations, taxonomic notes and distribution are presented. We also provide an artificial key to distinguish the genera of the "Stenorrhynchos Clade" reported so far in Rio Grande do Sul. ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Buzatto CR,Singer RB,Bordignon SAL

更新日期：2014-06-01 00:00:00

abstract：:The focus of this study was to test the hypothesis that there would be no difference between the biocompatibility of resin-modified glass ionomer cements. Sixty male Wistar rats were selected and divided into four groups: Control Group; Crosslink Group; RMO Group and Transbond Group. The materials were inserted into r...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Mesquita JA,Lacerda-Santos R,Sampaio GAM,Godoy GP,Nonaka CFW,Alves PM

更新日期：2017-01-01 00:00:00

abstract：:This paper discusses the facies distribution of Mesozoic eolian sandstones between the Sanga do Cabral and Botucatu formations and also their contact relationships, in São Leopoldo area, State of Rio Grande do Sul (RS), southern Brazil. The main distinctive characteristics regarding these sandstones and formations are...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Nowatzki CH,Kern HP

更新日期：2000-06-01 00:00:00

abstract：:This paper presents a sedimentological and stratigraphical study of Quaternary (Middle to Late Pleistocene/Holocene) continental carbonates outcrops inside Pantanal Basin and its surroundings, especially in Serra da Bodoquena, Pantanal do Miranda and Corumbá/Ladário plateau, in the state of Mato Grosso do Sul, as well...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Oliveira EC,Rossetti DF,Utida G

更新日期：2017-05-01 00:00:00

abstract：:Cariniana rubra Miers (Lecythidaceae), popularly known as "jequitibá-vermelho'', is a large Brazilian tree whose bark is used in infusion and decoction for the treatment of inflammatory conditions. This study aims to assess the anti-inflammatory, antinociceptive, and antipyretic effects of Cariniana rubra methanolic s...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Santos EN,Lima JC,Noldin VF,Cechinel-Filho V,Rao VS,Lima EF,Schmeda-Hirschmann G,Sousa PT Jr,Martins DT

更新日期：2011-06-01 00:00:00

abstract：:Current two-dimensional (2D) ultrasonic marker measurements are inherent with intra- and inter-observer variability limitations. The objective of this paper is to investigate the performance of conventional 2D ultrasonic marker measurements and proposed programmable interactive three-dimensional (3D) marker evaluation...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Wee LK,Chai HY,Samsury SR,Mujamil NF,Supriyanto E

更新日期：2012-12-01 00:00:00

abstract：:Epigeic coleopteran species are linked by complex trophic webs and implicated in several ecosystem services for agriculture. Although there are reports of ground-dwelling Coleopterans inhabiting main extensive agroecosystems, their assemblages in horticultural crops in Argentina have been little explored. We examined ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Rouaux J,Cabrera N,MartÍnez AS,Posse MC,Luna MG

更新日期：2020-01-01 00:00:00

abstract：:Microglial cells within the developing central nervous system (CNS) originate from mesodermic precursors of hematopoietic lineage that enter the nervous parenchyma from the meninges, ventricular space and/or blood stream. Once in the nervous parenchyma, microglial cells increase in number and disperse throughout the C...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Navascués J,Calvente R,Marín-Teva JL,Cuadros MA

更新日期：2000-01-01 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：:the focus ofthis study was to testthe hypothesisthatthere would be no difference betweenthe biocompatibility of silicon dioxide nanofilms used as antimicrobial agents. Sixty male Wistar rats were divided into 4 groups (n=15): Group C (Control,Polyethylene), Group AR (Acrylic Resin), Group NP (Acrylic Resin coated with...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Lacerda-Santos R,Lima ABL,Penha ESD,Santos AD,Carvalho FG,Pithon MM,Dantas AFM

更新日期：2020-04-17 00:00:00

abstract：:This study aimed to establish a cryopreservation protocol for embryogenic cultures of A. angustifolia, enabling the ex situ conservation of the species. Embryogenic cultures were established from immature seeds and treated with variations of the cryoprotectant solutions SuDG, SoD and PVS2 prior to immersion in liquid ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Demarchi G,Stefenon VM,Steiner N,Vieira FN,Dal Vesco LL,Guerra MP

更新日期：2014-12-01 00:00:00

abstract：:The phosphatidylinositol 3-kinase and mitogen-activated protein kinase pathways mediate β cell growth, proliferation, survival and death. We investigated whether protein restriction during pregnancy alters islet morphometry or the expression and phosphorylation of several proteins involved in the phosphatidylinositol ...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Salvatierra CS,Reis SR,Pessoa AF,De Souza LM,Stoppiglia LF,Veloso RV,Reis MA,Carneiro EM,Boschero AC,Colodel EM,Arantes VC,Latorraca MQ

更新日期：2015-04-01 00:00:00

abstract：:Arithmetic map operations are very common procedures used in GIS to combine raster maps resulting in a new and improved raster map. It is essential that this new map be accompanied by an assessment of uncertainty. This paper shows how we can calculate the uncertainty of the resulting map after performing some arithmet...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Yamamoto JK,Kikuda AT,Rampazzo GJ,Leite CBB

更新日期：2018-08-01 00:00:00

abstract：:Broomrapes (Orobanche sp.) are root holoparasitic plants causing severe damage to various families of horticultural crops. A Preliminary survey was carried in tomato fields infested with orobanche in Potohar plateau of Pakistan. Results indicated that each planting bed comprising10-12 tomato plants contained 7-8 paras...

journal_title：Anais da Academia Brasileira de Ciencias

authors： Ahmad T,Ahmad B,Tariq RMS,Syed MZ,Ahmad Z

更新日期：2018-10-01 00:00:00