Determinación de la calidad microbiológica de refrescos artesanales comercializados en los principales mercados del distrito de Ventanilla, Callao - 2016
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Universidad Nacional de la Amazonía Peruana
Abstract
Para determinar la calidad microbiológica de los refrescos comercializados en
los principales mercados del distrito de Ventanilla. Se utilizó como muestra 45
refrescos de maracuyá y 45 refrescos de maíz morado; de puestos de venta
por mercado en los mercados “MILAGRO”, “JUAN PABLO II” y
“PACHACUTEC”. La evaluación se realizó mediante los métodos validados por
la Asociación Oficial de Químicos Analíticos (AOAC) por placas Petrifilm para
cuantificar la presencia de Coliformes totales, Escherichia coli, Aerobios
mesófilos y Staphylococcus aureus, luego se comparó los resultados con los
límites máximos permitidos de la NTS 071 591 2008 MINSA. Los resultados de
la evaluación muestran que el 93,3% y el 86,6% de puestos de ventas
analizados de refrescos de maracuyá y de maíz morado respectivamente,
presentaron crecimiento microbiano de Coliformes totales superando los límites
de la norma. El 6,6% de puestos de venta de refrescos de maracuyá se obtuvo
crecimiento inaceptable de Escherichia coli, según la normatividad vigente. El
20% del total de puestos de venta analizados en lo que respecta a refrescos de
maracuyá evidenciaron recuento de Staphylococcus aureus por encima de los
valores de la norma sanitaria. Se concluye que, los refrescos artesanales de
(maracuyá y maíz morado) comercializados en los mercados evaluados no
cumplen con las especificaciones técnicas de la norma, demostrando la baja
calidad y poca seguridad de estos productos.
Its general objective is to determine the microbiological quality of soft drinks sold in the main markets of the district of Ventanilla. A sample of 45 passion fruit soft drinks and 45 soda pops were sampled; Of 05 sales positions per market in the "MILAGRO", "JUAN PABLO II" and "PACHACUTEC" markets. The evaluation was carried out using the methods validated by the Official Association of Analytical Chemists (AOAC) for Petrifilm plates to quantify the presence of total coliforms, Escherichia coli, mesophilic aerobes and Staphylococcus aureus, and then compared the results with the maximum permitted limits of the NTS 071 591 2008 MINSA. The results of the evaluation indicate that 93.3% and 86.6% of sales positions analyzed for passionfruit soda and purple corn soft drinks, respectively, presented microbial growth of Total Coliformes exceeding the limits of the standard. 6.6% of maracuyá soft drink stalls obtained an unacceptable growth of Escherichia coli, according to current regulations. 20% of the total number of stalls analyzed in relation to passion fruit soda evidenced the Staphylococcus aureus count above the values of the sanitary standard. It is concluded that artisanal soft drinks (maracuyá and purple corn) marketed in the evaluated markets do not comply with the Technical Specifications of the standard, thus demonstrating the poor quality and low safety of these products.
Its general objective is to determine the microbiological quality of soft drinks sold in the main markets of the district of Ventanilla. A sample of 45 passion fruit soft drinks and 45 soda pops were sampled; Of 05 sales positions per market in the "MILAGRO", "JUAN PABLO II" and "PACHACUTEC" markets. The evaluation was carried out using the methods validated by the Official Association of Analytical Chemists (AOAC) for Petrifilm plates to quantify the presence of total coliforms, Escherichia coli, mesophilic aerobes and Staphylococcus aureus, and then compared the results with the maximum permitted limits of the NTS 071 591 2008 MINSA. The results of the evaluation indicate that 93.3% and 86.6% of sales positions analyzed for passionfruit soda and purple corn soft drinks, respectively, presented microbial growth of Total Coliformes exceeding the limits of the standard. 6.6% of maracuyá soft drink stalls obtained an unacceptable growth of Escherichia coli, according to current regulations. 20% of the total number of stalls analyzed in relation to passion fruit soda evidenced the Staphylococcus aureus count above the values of the sanitary standard. It is concluded that artisanal soft drinks (maracuyá and purple corn) marketed in the evaluated markets do not comply with the Technical Specifications of the standard, thus demonstrating the poor quality and low safety of these products.
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Refrescos, Análisis microbiológico, Mercadeo, Calidad de alimentos
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