The poor quality of water intended for human consumption is one of the problems that has led to the appearance of several human diseases. The seeds of Moringa oleifera Lam. Can be used as a sustainable and low-cost alternative for water treatment. The aim of this study was to develop alternative methods of treating water for human consumption through the use of Moringa oleifera seeds. Water samples were collected at four points along the Negro River, in the state of Amazonas, for treatment with moringa seeds and simplified filtration systems. The samples were subjected to five types of treatment and compared to untreated samples and drinking water parameters, established by the Ministry of Health. Significant differences were observed in the following physical and chemical parameters of treated and untreated water: color, turbidity, dissolved solids total hardness, total alkalinity, electrical conductivity and ammonia content. The results suggest the possibility that moringa seeds can be used to produce better quality water for human consumption, especially in the case of people living in indigenous communities far from urban areas and without access to any type of water treatment.
Organic compost (OC) is a product of the decomposition of solid waste that can be used to correct the active acidity of the soil and also as a source of nutrients for plants. Thus, we sought to understand the influences of OC on soil pH during the incubation period, as well as its effects on the growth and development of the Acosmium nitens seedlings. The treatments consisted of natural soil (control) and three different dosages of organic compost (10, 30 and 50%). The effect of OC on soil pH was evaluated using a mixed design of repeated measurements, consisting of four treatments, six repetitions and four measurements during the study period. At 148 days after transplantation, the growth and development of Acosmium nitens seedlings were arranged in an completely randomized design, with four treatments and six repetitions, with the variables: total dry mass, dry aerial mass, dry root matter, diameter of lap, plant height, ratio of height/ diameter of lap and Dickson quality index. The OC significantly affected the active acidity of the soil, and caused significant interactions in the treatments during the incubation period of the substrate. The growth and development of plants were significant in relation to the dosages of OC in the substrate. Therefore, the OC from urban organic solid waste improved the degree of fertility and corrected the active acidity of the soil. The nutritional sufficiency for Acosmium nitens seedlings was achieved in the combination of 30% OC and 70% soil.
Direitos para esta edição cedidos à Atena Editora pelos autores. Open access publication by Atena Editora Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição-Não-Comercial-NãoDerivativos 4.0 Internacional (CC BY-NC-ND 4.0). O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores, inclusive não representam necessariamente a posição oficial da Atena Editora. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais.Todos os manuscritos foram previamente submetidos à avaliação cega pelos pares, membros do Conselho Editorial desta Editora, tendo sido aprovados para a publicação com base em critérios de neutralidade e imparcialidade acadêmica.A Atena Editora é comprometida em garantir a integridade editorial em todas as etapas do processo de publicação, evitando plágio, dados ou resultados fraudulentos e impedindo que interesses financeiros comprometam os padrões éticos da publicação. Situações suspeitas de má conduta científica serão investigadas sob o mais alto padrão de rigor acadêmico e ético.
Direitos para esta edição cedidos à Atena Editora pelos autores. Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição 4.0 Internacional (CC BY 4.0). O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores, inclusive não representam necessariamente a posição oficial da Atena Editora. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais. A Atena Editora não se responsabiliza por eventuais mudanças ocorridas nos endereços convencionais ou eletrônicos citados nesta obra. Todos os manuscritos foram previamente submetidos à avaliação cega pelos pares, membros do Conselho Editorial desta Editora, tendo sido aprovados para a publicação.
The diversity of plants in the Alto Rio Negro region and the traditional knowledge of indigenous peoples on the consumption of medicinal plants for the cure of diseases are factors that justify the need to expand knowledge about these practices, especially about forms of consumption. The IFAM CSGC carried out the research on sensory analysis with the Institution's workers and students, evaluating the Lemon Balm species (Melissa Officinalis L.), aiming to prepare and evaluate the Lemon Balm tea by the academic community of the IFAM Campus São Gabriel da Cachoeira, Amazonas. Tea is the most consumed food for the treatment of various illnesses in the region, mainly as a natural tranquilizer. To prepare the tea, three techniques were used: infusion, decoction, and maceration. For the sensorial analysis, the hedonic scale was used, according to the methodology of Monteiro (1984). The research on Lemon Balm tea resulted in high levels of sensory acceptability, highlighting the infusion technique by workers, and the decoction technique among students, in which the "age" factor may have influenced the results, as adult individuals tend to show loss of some organoleptic characteristics such as aroma and flavor, and young individuals do not yet have these characteristics fully developed.
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