01. Universidade Federal Rural de Pernambuco - UFRPE (Sede)

URI permanente desta comunidadehttps://arandu.ufrpe.br/handle/123456789/1

Navegar

Resultados da Pesquisa

Agora exibindo 1 - 2 de 2
  • Imagem de Miniatura
    Item
    Indicadores higiênico-sanitários identificados em águas envasadas, comercializadas na Região Metropolitana de Recife (PE)
    (2021-12-07) Santana, Shirlayne Ferreira de; Pires, Edleide Maria Freitas; http://lattes.cnpq.br/0468713660747009; http://lattes.cnpq.br/2120632629049039
    For the past years, the rising consume og bottled water in Brazil is a fact that is being studied by researchers of different parts of the country. The possible reasons for the case is the fact that bottled water transmits protection to the health, studies confirm different contamination levels in this kind of water. To ensure the health of consumers, it is required a quality standard for the commercialization of this product. An example of this, ministries as the Health Minister (MS) and the National agency of Health sanitization (ANVISA) establish microbiological parameters for the bottled natural mineral water destined to human consumption. For many reasons, it is considered important the information regarding hygienic sanitary indexes presented in the bottled water. This research has the purpose to evaluate the microbiological quality of the bottled water commercialized in the Region of the great Recife (RMR) by means of microbiological analysis of the hygienic sanitary indexes. Pseudomonas aeruginosa and Coliforms. There were evaluated 9 different brands of bottled water in 20L package, coded as A, B, C, D, E, F, G, H and I. From each brand there collected 5 samples in the period between August of 2018 and June of 2019, totaling 45 samples. For the microorganisms detection, there were used validated methods by the American Public Health Association (APHA), by the American Waters Works Association (AWWA) and by the Water Environment Federation (WEF). The obtained results confirmed the presence of Pseudomonas in 64% of the samples and of Coliforms in 66% of the samples, what may led to conclude the Pseudomonas aeruginosa and Coliforms can occur in natural mineral water bottled in 20L package commercialized in the RMR; an expressive number of brands showed to be unsafe due to the presence of microorganisms indicators of the hygienic sanitary conditions; the contamination levels by the Pseudomonas aeruginosa and Coliforms, vary among different brands of bottled water and beside what was found, we can find in the RMR market, mineral water brands that are considered safe, regarding the microbiological aspects. Such results are considered concerning, since the search for bottled water is, mainly, for the apparently guaranteed safety.
  • Imagem de Miniatura
    Item
    Análise dos fatores e parâmetros analíticos da água potável de uma empresa pública de Pernambuco
    (2021-07-16) Amaral, Maria Conceição Dutra do; Pires, Edleide Maria Freitas; http://lattes.cnpq.br/0468713660747009
    The quantity of available water in the planet, being in superficial or in-depth collections, it is enough to assist the needs of the globe population. Problems exist related to the distribution of natural reservoirs and the population density, since there is not equivalency between the quantity of the available water and the populational density. Besides, poor use and undesirable attacks to the water source has turned the planet potable water into improper for its use in the natural form. The water is indispensable for everything and everyone: the food chain, agriculture and cattle and even for tourism and leisure. Of all the available sources, the underground sources are the ones that offer the highest quality, for that reason they are much used by human consume and industrial production, being food, medication, and general use. The current essay of major completion (TCC) has as its purpose to analyze the physio chemical and microbiological characteristics of the potable water used for the consume of employees of a public company of the state of Pernambuco, based on the evaluation of the implemented good practices, as well as the implementation of the APPCC system. The water used by the company is from an underground source, from a crafted well. From the months of July to November of 2020 there were analyzed documents related to the physio chemical and microbiological parameters: heterotrophic bacteria, total Coliforms and Escherichi coli, accordingly, to validated methods by SMWW. The results showed macrobiotic load in the researched points and in the 3 kinds of analyzed microorganisms (˂1.0 to 7.9x10 UFC/mL to heterotrophic; ˂1.0 CFU/mL to Total Coliforms and ˂1.0 CFU/mL to E. coli) much inferior to the maximum allowed by the current legislation, which is 500 UFC/mL, absence/100mL and absence/100mL, respectively. As for the physical and pH parameters, it was observed variations: pH=5.3 to 6.6; Color= 10 to 44uH; Turbidity= 1 to 8 UT and Free residual chloride= 0.02 to 0.66mg/L. These results allowed to conclude that: in every analyzed data and during the period that was studied, the water used in the company fits the potability standards for the physio chemical and microbiological parameters; the used water treatment in the public company of the state of Pernambuco, consisting of the disinfection, filtration, stocking and distribution steps, is enough to support and guarantee the water quality; observed inconstancies in the physio chemical parameters of the pH, color, turbidity and free residual chloride did not compromise the quality of the water for human consumption stablished by the 2914 regulation from 12/12/2021.