AVALIAÇÃO MICROBIOLÓGICA E PARASITOLÓGICA DE ALFACES (Lactuca sativa L) COMERCIALIZADAS EM FEIRAS LIVRES NO MUNICÍPIO DE SOBRAL – CE

Coutinho, Maria Gleiciane Soares; Ferreira, Chayanna da Silva; Neves, Andréa Maria; Alves, Francisca Rosilane Lucas; Souza, Francisco Fábio Pereira de; Fontenelle, Raquel Oliveira dos Santos

doi:10.5892/ruvrd.v13i1.2320

Cited by 9 publications

(15 citation statements)

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“…Essas contagens foram ainda maiores quando comparadas as de um estudo realizado por Coutinho et al (2015), onde a enumeração das bactérias heterotróficas mesófilas tiveram variação de 4,5x10 4 a 7,7x10 5 UFC g -1 em amostras de alface, demonstrando o alto grau de contaminação desse alimento.…”

Section: Resultsunclassified

Untitled

2016

Rev. ambiente água

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Source: SILVA, M. G. et al. Análise da influência de parâmetros ambientais no fluxo de metano em áreas alagáveis e lagoas permanentes na região do Rio Abobral, no Pantanal, Brasil. Rev. Ambient. Água, Taubaté, vol. 11 n. 2, p. 327-338, 2016 ABSTRACTBrazil has the highest water availability of any country in the world. Nearly 20% of all the world's rivers flow on Brazilian soil. Brazil's herds of cattle, pigs and poultry are among the largest in the world, and the country uses irrigated agriculture extensively, which accounts for most water consumption (approximately 70% of the water consumed in the world). The Brazilian Agricultural Research Corporation (Embrapa), the largest and most important public institution of Brazilian agricultural research, has attempted to develop environmental technologies in order to minimize the impact caused by the scarcity and pollution of water resources. This paper describes the technologies this institution offers to different regions. For this purpose, a descriptive and exploratory study was conducted in various Embrapa research units. The results showed that research on the rational use of water in agriculture has intensified since the early 2000s. However, the pace of growth in agricultural activities and their impact is much greater than that of the generated technologies, demonstrating the difficulty in striking a balance in this relationship. Furthermore, it is clear that that water scarcity and the increasing pollution of shallow and deep waters are complex issues with no short-term solution.Keywords: Brazilian agriculture, Embrapa, rational use of water.Tecnologias para o uso racional da água na agricultura brasileira RESUMO O Brasil é o país com a maior disponibilidade hídrica do mundo, quase 20% das vazões de todos os rios do planeta, fluem em solo brasileiro. Possui um dos maiores rebanhos mundiais de suínos, aves e gado e utiliza largamente a agricultura irrigada, principal consumidora dos recursos hídricos (cerca de 70% da água consumida no mundo). A Empresa Brasileira de Pesquisa Agropecuária -Embrapa, como a maior e mais importante instituição pública de pesquisa agropecuária brasileira, tem envidado esforços na tentativa de buscar soluções para, minimizar os impactos causados pela escassez e poluição dos recursos hídricos, por meio do desenvolvimento tecnologias ambientais. Esse trabalho descreve as tecnologias disponibilizadas por esta instituição para as diferentes regiões brasileiras. Para isso, foi desenvolvida uma pesquisa descritiva e exploratória junto às diversas unidades de pesquisa da Embrapa. Os resultados demonstram que houve uma intensificação das pesquisas voltadas para o uso racional da água na agricultura, a partir da década de 2000. Todavia, o ritmo de crescimento das atividades agropecuárias e seus impactos é bem maior do que o das tecnologias geradas, o que dificulta se encontrar um equilíbrio nesta relação. Além disso, deve-se considerar que o problema da escassez da água assim como da crescente poluição das águas rasas e profundas, é comple...

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Section: Resultsunclassified

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2016

Rev. ambiente água

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“…Lettuces and parsley had the highest number of positive samples. Similarly, lettuces in studies on vegetables had the highest parasite contamination (Constantin et al, 2013;Coutinho et al, 2015;Brauer et al, 2016). Since lettuce and parsley grow close to the soil, they are more prone to contamination by parasites.…”

Section: Microbial and Parasitological Contaminationmentioning

confidence: 97%

“…Results could be a consequence of defecating directly in the soil, a common practice by rural producers analyzed, the free roaming of domestic animals and the use of manure without due processing (Coutinho et al, 2015).…”

Section: Microbial and Parasitological Contaminationmentioning

confidence: 99%

“…However, according to their characteristics, vegetables are frequently eaten raw or with inadequate cleaning, featuring possible contamination by microorganisms, such as helminths, protozoa, bacteria, fungi and viruses. The former are more common due to their ability to survive in soil and water with eventual outbreaks of foodborne diseases (FBD), with great risks for humans (Coutinho et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Microbiological and parasitological contamination of vegetables, water and soil in rural communities

Silva¹,

Miranda²,

Almeida³

et al. 2020

Afr. J. Microbiol. Res.

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Microbiological and parasitological contamination of vegetables, water and soil in rural communities of a municipality in the state of Bahia, Brazil, was assessed. Samples of Lactuca sativa, L., Coriandrum sativum and Solanum lycopersicum, soil, and irrigation water were analyzed between August and October, 2015. Total coliforms (TC), Escherichia coli, molds and yeasts on vegetables, soil and water, heterotrophic bacteria in water and soil were counted. Parasitological analyses were performed by spontaneous sedimentation method and by Rugai technique for vegetables and soil and by direct and Faust exams for water. Physical and chemical analyses included pH, temperature, dissolved oxygen and turbidity. TC counts were higher in lettuce samples (mean 2.8 log CFU g -1 ). E. coli counts did not comply with legislation in a lettuce sample with 3.3 log CFU g -1 . TC had the highest counts, with mean between 3.7 and 4.9 log CFU g -1 in soil samples. All water samples showed poor conditions and most samples were positive for at least one parasite. Due to high microbial density and several parasite types in most samples, results showed poor sanitary quality of vegetables with health risks for people. It is crucial to invest in educational activities for handlers and farmers so that a better vegetable quality could be offered to the population. More efficient monitoring is required by health authorities, requiring periodic assessments for parasites so that consumers may have a better life quality.

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“…Microorganisms may represent risks to consumer's health. Vegetables consumed in natura are commonly associated with the presence of several species of microorganisms, among which are Salmonella, Escherichia coli and coliforms, of which the last two are indicators of hygienic-sanitary conditions in the production chain and E. coli and coliforms are indicators of pathogenic contamination of produce [9,14,15,16,17].…”

Section: --------------------------------------------------------Wwwmentioning

confidence: 99%

Microbiological analysis of lettuce (Lactuca sativa) from conventional and organic cultivation commercialized at fairs in Brazil

Gandra¹,

Alves²,

Gandra³

2018

SDRP-JFST

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AVALIAÇÃO MICROBIOLÓGICA E PARASITOLÓGICA DE ALFACES (Lactuca sativa L) COMERCIALIZADAS EM FEIRAS LIVRES NO MUNICÍPIO DE SOBRAL – CE

Cited by 9 publications

References 0 publications

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Microbiological and parasitological contamination of vegetables, water and soil in rural communities

Microbiological analysis of lettuce (Lactuca sativa) from conventional and organic cultivation commercialized at fairs in Brazil

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