تقييم الجودة الميكروبيولوجية لبعض المشروبات الشعبية بمدينة جدة

الملخص EN

This research was conducted to follow up the microbial contamination samples of some traditional beverages (white sobia, and red sobia) collected twice monthly for three months from ten locations in Jeddah.

It was found that location 10 (Al-Naseam district) is the only location that total viable coliform, fecal coliform, Salmonella and Staphylococcus bacteria were not detected in all collected samples of white and red sobia.

Also the total viable bacterial count of the samples from the same location represented the lowest means over the three months of experiment.

During the experiment, it was found that the highest mean of total viable bacterial count of white sobia samples was 51.33x106 cfu/ml at location No.

3 (Al-Gameah district), and 26.67x106 cfu/ml at location 1 (Al-Gameah district) in red sobia samples.

The highest mean of total viable coliformin was found in white sobia samples taken during second and third month in location 2 (Al-Gameah district), with a value of 13.67x104 cfu/ml, and in location 1 (Al-Gameah district) in the first month (44.67x103 cfu/ml) in case of red sobia samples.

Concerning fecal coliform bacteria, the highest mean of total viable coliform was in samples of white sobia taken from location 6 (Al Safa district) with a value of 15.33x103 cfu/ml in the first month, and in location 1 (Al-Gameah district) during second month (32.67x102 cfu/ml) in case of red sobia.

For Salmonella and Staphylococcus, the highest means (1.67x103 cfu/ml and 57.67x103 cfu/ml) were found in white sobia samples taken from location 6 (Al Safa district) in the first month, and from location 3 (Al-Gameah district) during the second month, for Salmonella and Staphylococcus, respectively.

For red sobia, the highest means of Salmonella and Staphylococcus (1.67x103 cfu/ml and 40.0x103 cfu / ml) were found in location 1 (Al-Gameah district) during the first month and in location 3 (Al-Gameah district) during the third month.

It is recommended to take care about purchasing location of sobia drinks and the direct drinking or cold preservation until usage, so as to avoid food infection or poisoning.