. In this study examination of label information physical and microbiological qualities was performed in 30 clear-plastic and 3 opaque-plastic bottled drinking water products distributed in city municipality of Ubon Ratchathani. Results showed that 12 clear-plastic (36%) and 3 opaque-plastic (9%) bottled drinking water samples had no expiry date on the product labels which were discordant to the criteria for drinking water in sealed containers imposed by the Ministry of Public Health of Thailand no. 383 (2017). Odorless appearances of all drinking water samples were observed. Values of pH in 4 clear-plastic (12%) and 3 opaque-plastic (9%) bottled drinking water samples were in the ranges of 6.21±0.00–6.29±0.03 which were below the allowable limit (pH 6.5–8.5). All bottled drinking water products contained numbers of total coliform and fecal coliform bacteria less than 2 MPN/100 mL and were devoid of E. coli. Therefore based on the quality of clear-plastic and opaqueplastic bottled drinking water products distributed in city municipality of Ubon Ratchathani 1 5 samples (45%) did not meet standard for drinking water in sealed containers declared by the Ministry of Public Health of Thailand (1981 and 2017) owing to no expiry date labeled on the products and pH value below 6.5.

The aim of this study was to investigate the microbiological quality of milk-shaked drinks including Bacillus cereus Escherichia coli Salmonella spp. Staphylococcus aureus yeast and molds in unsealed containers sold in market fair roadside and stall around Mahasarakham university. The analytical results revealed that microbiological quality of 30 samples of milk-shaked drinks in unsealed containers that did not pass the criteria of department of medicine ministry of public health Thailand were 50 % of total samples. Bacteriological counts of Bacillus cereus Escherichia coli Salmonella spp. And Staphylococcus aureus of milk-based drinks that did not pass the criteria were 13.3 10 13.3 and 10% of total samples respectively. Yeasts and molds counts of milk-based drinks that did not pass the criteria were 3.3 and 30% of total samples respectively. Microbiological contamination of milk-shaked drinks was related to the hygiene of the shop and the supplier. It was found that the location of stall which high dust particles and animal carriers also contributed to the contamination of microorganisms. Moreover the hygiene of the supplier may cause the milk-shaked drinks to be contaminated with microorganisms.

The purpose of this study was to produce catfish Som-fug for compare some characteristics between and three commercial brands of Som-fug (brand A B and C) which produced from other fresh water fish as a guide to develop Som-fug from catfish. For physical properties catfish Som-fug were 3.54±0.20 cm (width) 6.38±0.25 cm (length) 1.34±0.10 cm (height) and 2.50±1.4 g (weight) which is similar to that of brand C. Color analysis of un-fried catfish Som-fug showed light color that L* was 70.78±0.13 a* and b* were 5.06±0.53 and 11.50±0.31 respectively. Hue value was 74.42±0.25 value and chroma were 6.84±0.39 and 16.20±0.11 respectively. Som-fug from different brands were different in term of texture. The gumminess and chewiness values were significantly higher in brand B (p≤0.05) whereas the hardness and springiness did not differ significantly among the four different brands (p>0.05). For physio-chemical properties Som-fug produced from catfish had 1.70 % total acidity pH value was 4.50 and moisture content was 70.28% which was not different from that of brand B. However aw value did not differ among all of the Som-fug (p>0.05). The microbiological quality of the four Som-fug products analyses revealed the presence of Salmonella spp. Staphylococcus aureus Escherichia coli and mold count not more than standard (Thai Community Product Standard 471/2555) except brand B and C mold count was more than 100 CFU/g. For Sensory evaluation no differences in color flavor and taste were observed between catfish Som-fug brand A and brand B (p>0.05). Whereas catfish Som-fug gained the highest score in texture attribute which no differ from brand C (p>0.05).

In this study pH physical and microbiological qualities of clear and opaque plastic bottled drinking water produced in Buriram Province Thailand were investigated. Samples of bottled drinking water (N=22) were 8 clear plastic bottles and 14 opaque plastic bottles. Results showed that pH value of all samples were in a range of 6.04 ± 0.03 to 7.61 ± 0.01 in which 7 samples were not acceptable according to the criteria for drinking water in sealed containers declared by the Ministry of Public Health of Thailand. Coliform bacteria in all tested samples were less than 1.8 MPN/100mL and none of E. coli was detected. Therefore consumers of bottled drinking water produced from Buriram province should be aware of health safety because some drinking water products were unacceptable in terms of pH value.