The seed of Chia (Salvia hispanica L.), originating in Mexico, is included in the cereals group, is considered a functional food. Its physicochemical composition and nutritional properties make it a significant source of fiber, carbohydrates, proteins, minerals, essential amino acids, antioxidants and is rich in polyunsaturated fatty acids (PUFAs). The objective of this study was to gather information that relates Chia seed composition to the prevention, treatment and control of some pathologies, such as obesity, dyslipidemia, cardiovascular disease and diabetes. This review study used the databases Medline/Pubmed, Lilacs, Scielo, a bibliographic collection of the Federal University of Campina Grande and materials from the national and international health committees, from articles published in the last 20 years. Sixty references were found, of which 43 were included in this study, excluding only those that did not have relevant aspects of the proposed theme. Therefore, when adding Chia seeds to the diet, it is possible to notice an improvement in parameters such as blood pressure (BP), lipid profile, glycemic index (GI), increased satiety sensation and delayed gastric emptying, which are direct indicators of these diseases And consequently the quality of life. Thus, Chia seed is only an auxiliary, and healthy living habits are also necessary.
Anacardium occidentale is a native plant from Brazilian Northeast popularly known as cashew tree, having great socioeconomic importance for this region, due to the great popularity of its fruit and its medicinal properties, the example antimicrobial activity. The present study had as objective to make a bibliographical survey about the antimicrobial activity of A. occidentale against strains of bacteria and fungi. We used the databases Scielo, PubMed, Lilacs and Periódicos Capes, in which 110 articles were analyzed and only 48 were selected. From the data obtained in the literature, it was observed that the bark of the stem, leaves, flowers and the own fruit of A. occidentale present antimicrobial activity against Gram-positive and Gram-negative bacteria and fungi of the genus Candida. Thus, A. occidentale presents as a potential species for the research and development of possible herbal medicines to combat bacterial and fungal infections.
Maconellicoccus hirsutus (pink hibiscus mealybug) is a polyphagous pest species reported in about 350 species of host plants worldwide. The chemical control method is still the most used for the control of agricultural pests. In view of this, we aim to evaluate the potential of the concentration of oils extracted from the species Azadirachta indica (Neem) and Jatropha curcas (Jatropha) on M. hirsutus, aiming at a management alternative for the pest. The experiments were carried out in air-conditioned chambers at a temperature of 25 ± 1ºC, relative humidity of 70 ± 10% and a photophase of 12h. The concentration 3% (v v-1) (defined in preliminary dilution tests) was used in the tests, with 11 interaction ratios between the oils. Mortality was assessed daily up to 72 hours after spraying. The application was carried out in two ways: indirect - on the food and walking surface; and direct - about insects. The indirect application caused higher levels of mortality in relation to the direct application. However, there was no significant difference between the concentrations for the indirect application. In the form of direct application, the combination of 60:40% neem oil and jatropha oil was the treatment that provided the highest mortality of the M. hirsutus (86.21%). The combinations between neem and jatropha oils demonstrated the potential to control M. hirsutus in both routes of application, being an alternative for the management of this pest.
Toxicidade do óleo essencial de alecrim-pimenta (Lippia sidoides) sobre a mosca branca (Bemisia tabaci). Orientadora: Madelaine Venzon.Com a busca constante por novas alternativas no controle de pragas, e com o aumento da produção agrícola, a utilização de produtos alternativos vêm se tornando cada vez mais comum, como os obtidos de plantas ricas em compostos bioativos. Esses compostos podem possuir ação repelente, inseticida, acaricida, fungicida ou atrativas de insetos, auxiliando no controle de pragas. Na maioria dos casos, esses produtos são menos tóxicos aos organismos benéficos, ao homem e ao meio ambiente. O alecrimpimenta (Lippia sidoides) possui compostos, como o timol e carvracol, capazes de repelir, inibir a alimentação, oviposição e crescimento populacional de pragas. O presente trabalho objetivou determinar a metodologia de aplicação e a toxicidade de soluções à base de óleo essencial de L. sidoides sobre a mosca-branca (Bemisia tabaci).As folhas de L. sidoides foram coletadas no campo experimental Vale do Piranga, em Oratórios-MG, e o óleo foi obtido a partir do processo de hidrodestilação. A identificação dos compostos foi realizada através de cromatografia gasosa, onde o principal constituinte foi o timol (79,79%). A obtenção das moscas-brancas para os ensaios, deu-se a partir da captura de insetos oriundos de um cultivo de repolho (Brassica oleracea var. capitata) em estufa no Departamento de Entomologia da Universidade Federal de Viçosa. Os tratamentos consistiram em diluições de 0,25; 0,50 e 1,0 % do óleo essencial de alecrim-pimenta, e o controle foi representado por solução composta de água destilada e Tween ® 80 (0,05%). Foram realizados dois experimentos, sendo o primeiro obtido pelo método de pulverização de solução à base do óleo essencial em discos foliares de soja (Glycine max), e o segundo a partir da imersão de folíolos de soja em solução à base de óleo essencial de alecrim-pimenta. O método de pulverização apresentou 64% de mortalidade das moscas-brancas no controle, não sendo o mais adequado para obtenção de resultados. Alguns fatores interferiram diretamente no resultado, tais como: falta de durabilidade dos discos foliares; alteração da cor das folhas; umidade provocada nas arenas construídas em placa de Petri. Já, o método de imersão mostrou eficiência para avaliar a ação inseticida das soluções à base de óleo essencial de alecrim-pimenta. A eficiência pode variar de acordo com a dose e tempo de aplicação.Palavras-chave: Timol. Hemiptera. Inseticida botânico. Glycine max.
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