489 research outputs found
Quantificação de amido e proteínas totais em grãos de sorgo [Sorghum bicolor (L.) Moench - Família: Poaceae] visando à alimentação humana
Dissertação (mestrado)—Universidade de Brasília, Departamento de Botânica, Programa de Pós-Graduação em Botânica, 2015.O Sorgo [Sorghum bicolor spp bicolor (L.) Moench] é o quinto cereal mais produzido no mundo, com ênfase na segurança alimentar nos continentes Asiático e Africano, onde o grão é usado em diferentes preparações. No Brasil, a produção do grão é destinada à alimentação animal. No entanto, a sua utilização para consumo humano deverá crescer devido a algumas características relevantes do grão como a ausência de glúten, alta fonte de energia, conteúdos moderados de proteína e fibra dietética. O objetivo deste estudo foi medir o conteúdo de amido (ST) e proteínas (PR) em grãos de 100 genótipos de sorgo com uso potencial na dieta humana, e aplicar uma análise aglomerativa de agrupamento hierárquico usando essas duas variáveis (ST e PR), e juntamente com tanino (presença da testa pigmentado) e raça. Os grãos foram selecionados pela Embrapa Milho e Sorgo. Eles foram triados e moídos para todas as análises bioquímicas. As análises foram baseadas em base seca. A quantificação de amido foi avaliada pelo método rápido, utilizando enzima α-amilase termoestável/ amiloglucosidase. O PR foi calculado pelo método de Kjeldahl. A ausência e na presença de taninos (presença de testa pigmentada) foi observado em microscópio, em corte longitudinal. O teor médio de umidade dos 100 genótipos foi de 15%, variando de 13 a 18%, com um coeficiente de variação (CV) de 1%. A média de ST foi de 71%, variando de 46,3 para 85,3%, com um cv de 14,4%. A média de PR foi de 12%, variando de 7,7 para 17,1%, com um cv de 14,7%. A correlação de ST e PR foi neutro (r = -0,08, p> 0,05). A análise de agrupamento baseado em ST e PR agrupou os genótipos em oito classes. As classes foram organizadas e agrupadas pela variável ST. A Classe 1 mostrou o menor ST (53%) e a classe 8 apresentou o maior ST (84,5%). Genótipos com tanino estavam presentes nas oito classes. Um ST inferior para alguns genótipos sugere a presença de amido resistente que pode apresentar um papel de fibra dietética. Classes com ST superior e PR são uma boa fonte de ingestão calórica e moderada fonte de proteína. Estes dados são de interesse para o consumo humano, principalmente para grupos com dietas alimentares específicas (diabéticos, obesos, celíacos). Estes dados de ST e PR de 100 genótipos, com outras análises bioquímicas em andamento por outras instituições envolvidas neste projeto, será de extrema importância na seleção de genótipos para ser exibido em diferentes dietas alimentares.Sorghum [Sorghum bicolor spp bicolor (L.) Moench] is the 5th most produced cereal in the world, with emphasis on food security in the African and Asian continents, where the grain is used in different preparations. In Brazil, the production is destined for animal feed. However, its use for human consumption should grow due to some relevant grain characteristics as the absence of gluten, high source of energy, moderated contents of protein and dietary fiber. The aim of this study was to measure the contents of starch (ST) and protein (PR) in grains of 100 sorghum genotypes with potential use in human diet, and apply a hierarchical cluster analysis using these two variables (ST and PR), and together add tannin (presence of the pigmented testa) and race. Grains were selected by Embrapa Maize and Sorghum. They were cleaned and ground for all biochemical analysis. The analysis were based on dry basis. Starch quantification was assessed by the rapid method using α-amylase enzyme thermostable/amyloglucosidase. PR was calculated by Kjeldahl digestion method. The absence and presence of tannins (presence of pigmented testa) was observed in stereomicroscope, in longitudinal section. The average moisture content of 100 genotypes was 15%, ranging from 13 to 18%, with a coefficient of variation (cv) of 1%. The average of ST was 71%, ranging from 46.3 to 85.3%, with a cv of 14.4%. The average of PR was 12%, ranging from 7.7 to 17.1%, with a cv of 14.7%. The correlation of ST and PR was neutral (r = -0.08, p > 0.05). Cluster analysis based on ST and PR grouped the genotypes in eight classes. Classes were organized by ST. The classe 1 showed the lowest ST (53%) and the class 8 showed the highest ST (84.5%). Genotypes with tannin were present into all eight classes. A lower ST for some genotypes suggests the presence of resistant starch which may have a role of dietary fibre. Classes with a higher ST and PR are a good source of caloric intake and moderate protein source. These data are of interest for human consumption, mainly to groups with specific food diets (diabetic, obese, celiacs). These data of ST and PR from 100 genotypes, with other biochemical analyses underway by other institutions involved in this project, will be of extreme importance in the selection of genotypes to be displayed in different food diets
From mining to aerotropolis: capitalism's plateaus in Minas Gerais
O objetivo deste trabalho é contribuir para as discussões sobre o projeto desenvolvimentista e neoliberal pautado na criação de uma aerotrópolis no Vetor Norte da Região Metropolitana de Belo Horizonte em Minas Gerais- o Projeto Aerotrópole Mineira - e na manutenção das atividades minerárias em suas proximidades. Lógicas diferenciadas de acumulação de capital expressas num mesmo território protegido por legislação federal: a Área de Proteção Ambiental (APA) Carste de Lagoa Santa. Buscamos rastrear controvérsias entre os projetos aeroportuário e minerário e a legislação de conservação ambiental da região, apontando fissuras e caminhos de pesquisa.El objetivo de este trabajo es contribuir a las discusiones sobre el proyecto desarrollista y neoliberal basado en la creación de una aerotrópolis en el Vector Norte de la Región Metropolitana de Belo Horizonte en Minas Gerais - el Proyecto Aerotrópole Mineira - y sobre el mantenimiento de la minería. actividades en sus alrededores. Lógica diferenciada de acumulación de capital expresada en un mismo territorio amparado por la legislación federal: el Área de Protección Ambiental (APA) Karst de Lagoa Santa. Buscamos rastrear controversias entre el aeropuerto y los proyectos mineros y la legislación de conservación ambiental en la región, señalando fisuras y caminos de investigación.The present work aims to contribute to the discussions about the developmentalist and neoliveral projects lined on the creation of an aerotropolis at the North Vector of the Metropolitan Region of Belo Horizonte in Minas Gerais - the Project Aerotropole Mineira - and the maintenance of minerary activities in its surroundings. Distinct logics of capital accumulation expressed at the same territory protected by federal law: the Environmental Protection Area (APA, in portuguese) Karst Lagoa Santa. We seek to track controversies between the mining and aeroportuary projects and the environment conservation legislation for the region, pointing fissures and possibilities of research
Motivação de atletas federados para a prática de atletismo
Foi estudado o que motiva atletas federados para a prática de atletismo, de forma a compreender se os atletas procuram a conquista de estatuto ou o simples prazer de estar na companhia de quem mais gostam. Para isso foi usado o QmAD (Questionário de Motivação para as Actividades Desportivas), aplicado a uma amostra de 50 atletas de vários clubes da região norte: 40 atletas do género masculino e 10 atletas do género feminino, com idades compreendidas entre os 18 e 45 anos. tratou-se de uma amostra acidental não probabilística. o método utilizado foi a abordagem quantitativa, configurando-se com um estudo observacional descritivo. os 3 principais motivos para a prática federada de atletismo foram: Afiliação geral, competência técnica e Forma Física.
The main purpose of this study was to identify what motivates federated athletes for the practice of athletics, to understand
if the athletes search the conquer of status or the simple pleasure of being in the company of those they like the best. it was used the pmQ (Participation Motivation Questionnaire), applied to a sample of 50 athletes from various clubs from the north region: 40 male athletes and 10 female athletes, with ages between 18 and 45 years old. This sample was accidental and not probabilistic. the method used for the development of the empirical phase was the quantitative approach, configuring with an observational descriptive study. The 3 principle motives for the practice of athletics were: Affiliation, skills and Fitness
Morphological and ecological differences between two endemic species of Asianidia Zachvatkin (A. insulana and A. madeirensis) from Madeira: species boundaries and conservation status: (Hemiptera: Cicadellidae)
A. insulana (Lindberg, 1961) und A. madeirensis (China, 1938) sind zwei endemische und nah verwandte Arten des Asianidia perspicillata-Komplexes von Madeira. Sie sind relativ einfach an der unterschiedlichen Form der Aedeagusbasis, der Körpergröße und –färbung zu unterscheiden. Die Morphologie der Nymphen sowie die Verbreitung, Nahrungspflanzen- und Habitatbindung waren bisher wenig bekannt. Der Beitrag gibt einen allgemeinen Überblick zu Morphologie und Ökologie dieses Artenpaars. Auf der Basis umfangreicher Feldarbeiten, die vom Meeresniveau bis in die Gipfelregionen alle Hauptvegetationszonen der Insel einschlossen, werden neue Informationen zur intra- und interspezifischen Variation sowie mit neuen Daten zu Verbreitung und Ökologie präsentiert. Außerdem werden Aspekte der Artentstehung durch adaptive Radiation und Nahrungspflanzenwechsel sowie zum Artenschutz diskutiert.A. insulana (Lindberg, 1961) and A. madeirensis (China, 1938) are two endemic and closely related species of the Asianidia perspicillata complex present in Madeira. They are relatively easy to distinguish on the basis of the aedeagus shape, body size and colour pattern, yet nymph morphology, distribution, plant associations and habitats were poorly known. The present study is a general overview of the morphology and ecology of this pair of species. New information on intra- and inter-specific variation, together with new distributional and ecological data are presented as a result of a thorough field-work from sea level up to the mountains and involving all main vegetation zones in the island. Moreover, their eventual origin through adaptive radiation by host-plant shift together with some conservation considerations are discussed
Impact of China-Pakistan economic investment on volatility of stock exchanges in Pakistan and Shanghai
This paper aims to analyze the impact of the China-Pakistan Economic Corridor on the
volatility of the Pakistan Stock Exchange and Shanghai Stock Exchanges, namely, to
explore the pre and post-impact China investments in Pakistan in the energy sector on
the stock exchanges of the respective countries. The methods used include an econo-
metric analysis, and univariate statistical analysis, from February 2010 to January 2020.
The results present a significant difference in volatilities of the pre and post-returns of
both indices. Stock prices increased post-CPEC announcement in Pakistan, and there
was a growth in the stock market. However, the mean return post-CPEC announcement
is relatively lower than Pre-announcement tenure, combined with higher volatility. It
shows small investors’ underconfidence. The conclusion is the significant economic
advantages of CPEC to PK.info:eu-repo/semantics/publishedVersio
PSIAX 7: Estudos e reflexões sobre o desenho e imagem
The five articles in this PSIAX Special Issue are variously informative of practice-based artistic methods that infer and manifest perception in action, by which means perception is simultaneously observed. The particular focus on this occasion is impactive space, a coined theme for the set of papers relating to the existing theorised term liminality; a middle space, in a sense, that is charged by circumstances either side
Sjögren’s syndrome and acquired splenic atrophy with septic shock: a case report
INTRODUCTION: The most frequent causes of adult-onset recurrent infections are human immunodeficiency virus infection, malignancy, and autoimmune diseases, while acquired non-surgical hyposplenism is rare. Although acquired asplenia/hyposplenism have been described in association with celiac disease and, less frequently, with autoimmune diseases such as Sjögren’s syndrome, the manifestations in this context are usually only detectable in the laboratory setting, with Howell-Jolly bodies or thrombocytosis. To the best of our knowledge, no previous case of pneumococcal septic shock in a patient with acquired hyposplenism and co-morbid Sjögren’s syndrome has been reported. CASE PRESENTATION: We report a case of a 45-year-old Caucasian woman who developed pneumococcal pneumonia at age 42 years, pneumococcal meningitis at age 44 years and septic shock with Streptococcus agalactiae bacteremia at age 45 years and was subsequently diagnosed with radiological splenic atrophy and functional asplenia, as well as primary Sjögren’s syndrome. After appropriate immunizations, the patient has been free from clinically important infections. CONCLUSION: Hyposplenism should be suspected in patients with adult-onset infections caused by encapsulated bacteria, especially if autoantibodies are present. Early diagnosis can help prevent potentially life-threatening infections. Possible associations between splenic atrophy and Sjögren’s syndrome are discussed
Morphological and ecological differences between two endemic species of Asianidia Zachvatkin (A. insulana and A. madeirensis) from Madeira: species boundaries and conservation status
A . insulana (Lindberg, 1961) and A. madeirensis (China, 1938) are two
endemic and closely related species of the A sianidia perspidllata complex
present in Madeira. They are relatively easy to distinguish on the basis of the
aedeagus shape, body size and colour pattern, yet nymph morphology,
distribution, plant associations and habitats were poorly known. The present
study is a general overview of the morphology and ecology o f this pair of
species. New information on intra- and inter-specific variation, together with
new distributional and ecological data are presented as a result of a thorough
field-work from sea level up to the mountains and involving all main
vegetation zones in the island. Moreover, their eventual origin through
adaptive radiation by host-plant shift together with some conservation
considerations are discussed.A . insulana (Lindberg, 1961) und A. madeirensis (China,
1938) sind zwei endemische und nah verwandte Arten des A sianidia
perspicillata-K.om'p\cx&i, von Madeira. Sie sind relativ einfach an der unter schiedlichen Form der Aedeagusbasis, der Körpergröße und -Färbung zu
unterscheiden. Die Morphologie der Nymphen sowie die Verbreitung,
Nahrungspflanzen- und Habitatbindung waren bisher wenig bekannt. Der
Beitrag gibt einen allgemeinen Überblick zu Morphologie und Ökologie dieses
Artenpaars. A uf der Basis umfangreicher Feldarbeiten, die vom Meeresniveau
bis in die Gipfelregionen alle Hauptvegetationszonen der Insel einschlossen,
werden neue Informationen zur intra- und interspezifischen Variation sowie
mit neuen Daten zu Verbreitung und Ökologie präsentiert. Außerdem werden
Aspekte der Artentstehung durch adaptive Radiation und Nahrungspflanzen wechsel sowie zum Artenschutz diskutiertinfo:eu-repo/semantics/publishedVersio
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