Microorganisms contamination in street food at An Cuu ward, Hue city

Abstract

One hundred and sixteen samples of mussel noodle and mussel rice were surveyed for microorganisms contamination at An Cuu ward, Hue city. The ratio of samples meeting the requirements of the total aerobic microorganisms in mussel rice, mussel rice with soup, mussel noodle samples was of 0.9%, 1.7% and 2.6%, respectively. On the other hand, the proportion of samples meeting the requirements of total yeast and mold criteria in mussel rice, mussel rice with soup, and mussel noodle samples was of 5.1%, 4.3%, and 3.4%, respectively. Moreover, 100% samples failed to meet the requirements of the Ministry of Health regarding the Coliforms criteria, while Clostridium were not detected. Interestingly, seasonal fluctuation in microorganism contamination was observed. The contamination seems to be heavier in summer (April and May) than in spring (January and February).