Broiler meat is one of the most important protein sources for Bangladeshi people. Food-borne diseases associated with the consumption of poultry meat and its processed products are of public health concern worldwide. ...Broiler meat is one of the most important protein sources for Bangladeshi people. Food-borne diseases associated with the consumption of poultry meat and its processed products are of public health concern worldwide. An investigation was conducted to assess the bacteriological quality of poultry meat from some poultry farms and its health impact on consumer of Nalitabari paurosova, Sherpur district, Bangladesh. Total 15 samples were randomly selected and collected from different poultry farms on the basis of farms level and size. Bacteriological quality of the samples was assessed by following the standard microbiological methods. The health impact was evaluated with the help of semi-structured based questionnaire of 400 peoples. The average value of TVC and TCC were found as 4.3 × 106 CFU/g and 3.6 × 104 CFU/g respectively. In this study, the prevalence of fecal coliform was recorded as 33% and the presence of E. coli in 53% samples. The mean value of Salmonella spp. of meat samples was 4.6 × 103 CFU/g. No Shigella spp., Vibrio spp. and fungal species were detected in any sample. Some selected isolates were tested for their sensitivity against some commercially available common antibiotics used in Bangladesh. E. coli was 80% resistance to Ampicillin and 90% sensitive to Ciprofloxacin whereas Salmonella spp. showed 100% resistance to Ampicillin and 80% sensitivity to Ciprofloxacin. The antibacterial activity of renowned medicinal plant Azadirachta indica was also evaluated against some multidrug resistance bacteria. The inhibitory zone of both 30% methanolic and ethanolic extracts of Azadirachta indica was 12 mm and 12.3 mm, where 40% methanolic and ethanolic extracts were 14 mm and 16.3 mm against E. coli. The 40% ethanolic extract showed the better activity between them. The plant extract has no activity against Salmonella spp.. Awareness and health impact of broiler meat was determined among the people of different sectors on the basis of educational qualification, socio-economic condition, income source, b展开更多
为了探索真空冷冻干燥干切牛肉理化性质随着温度变化的规律及其动力学特性,将真空冷冻干燥后的干切牛肉贮藏在20、30、40℃条件下,酸价（Acid value,AV）、过氧化值（Peroxide value,POV）和菌落总数（Total viable count,TVC）作为品...为了探索真空冷冻干燥干切牛肉理化性质随着温度变化的规律及其动力学特性,将真空冷冻干燥后的干切牛肉贮藏在20、30、40℃条件下,酸价（Acid value,AV）、过氧化值（Peroxide value,POV）和菌落总数（Total viable count,TVC）作为品质指标,建立产品货架期预测模型。结果为：随着时间的延长,真空冷冻干燥干切牛肉的AV值、POV值和TVC均逐渐上升。采用Arrhenius方程建立了贮藏温度、贮藏时间与AV值、POV值和TVC之间的预测模型,其中,AV值的变化的活化能（Ea）及速率常数（k0）分别为31.0268 k J/mol和1913.71,POV值变化的活化能（Ea）及速率常数（k0）分别为19.8813 k J/mol和31.44,TVC变化的活化能（Ea）及速率常数（k0）分别为28.3374 k J/mol和714.30,构建的动力学模型可以准确地预测（20～40）℃范围内真空冷冻干燥干切牛肉的货架期。展开更多
文摘Broiler meat is one of the most important protein sources for Bangladeshi people. Food-borne diseases associated with the consumption of poultry meat and its processed products are of public health concern worldwide. An investigation was conducted to assess the bacteriological quality of poultry meat from some poultry farms and its health impact on consumer of Nalitabari paurosova, Sherpur district, Bangladesh. Total 15 samples were randomly selected and collected from different poultry farms on the basis of farms level and size. Bacteriological quality of the samples was assessed by following the standard microbiological methods. The health impact was evaluated with the help of semi-structured based questionnaire of 400 peoples. The average value of TVC and TCC were found as 4.3 × 106 CFU/g and 3.6 × 104 CFU/g respectively. In this study, the prevalence of fecal coliform was recorded as 33% and the presence of E. coli in 53% samples. The mean value of Salmonella spp. of meat samples was 4.6 × 103 CFU/g. No Shigella spp., Vibrio spp. and fungal species were detected in any sample. Some selected isolates were tested for their sensitivity against some commercially available common antibiotics used in Bangladesh. E. coli was 80% resistance to Ampicillin and 90% sensitive to Ciprofloxacin whereas Salmonella spp. showed 100% resistance to Ampicillin and 80% sensitivity to Ciprofloxacin. The antibacterial activity of renowned medicinal plant Azadirachta indica was also evaluated against some multidrug resistance bacteria. The inhibitory zone of both 30% methanolic and ethanolic extracts of Azadirachta indica was 12 mm and 12.3 mm, where 40% methanolic and ethanolic extracts were 14 mm and 16.3 mm against E. coli. The 40% ethanolic extract showed the better activity between them. The plant extract has no activity against Salmonella spp.. Awareness and health impact of broiler meat was determined among the people of different sectors on the basis of educational qualification, socio-economic condition, income source, b
文摘为了探索真空冷冻干燥干切牛肉理化性质随着温度变化的规律及其动力学特性,将真空冷冻干燥后的干切牛肉贮藏在20、30、40℃条件下,酸价（Acid value,AV）、过氧化值（Peroxide value,POV）和菌落总数（Total viable count,TVC）作为品质指标,建立产品货架期预测模型。结果为：随着时间的延长,真空冷冻干燥干切牛肉的AV值、POV值和TVC均逐渐上升。采用Arrhenius方程建立了贮藏温度、贮藏时间与AV值、POV值和TVC之间的预测模型,其中,AV值的变化的活化能（Ea）及速率常数（k0）分别为31.0268 k J/mol和1913.71,POV值变化的活化能（Ea）及速率常数（k0）分别为19.8813 k J/mol和31.44,TVC变化的活化能（Ea）及速率常数（k0）分别为28.3374 k J/mol和714.30,构建的动力学模型可以准确地预测（20～40）℃范围内真空冷冻干燥干切牛肉的货架期。
