This study was performed to determine risk ranking of the combination of pathogen-livestock or livestock products to identify the most significant public health risks and to prioritize risk management strategies. First, we reviewed foodborne outbreak data related to livestock products and determined main vehicles and pathogens according to the number of outbreak and case. Second, expert's opinion about management priority of pathogen-livestock product pairing was surveyed with 19 livestock experts in the university, research center, and government agency. Lastly, we used the outcome of Risk Ranger (semi-quantitative risk ranking tool) of 14 combinations of pathogen and livestock or livestock products. We have classified the combination of pathogen-livestock products into group I (high risk), II (medium risk), and III (low risk) according to their risk levels and management priority. Group I, which is the highest risk for foodborne outbreak, includes Salmonella spp./egg and egg products, Campylobacter spp./poultry, pathogenic E. coli/meat and processed ground meat. In conclusion, the results of this study will provide the specific guideline of mid-and long-term planning for risk assessment and risk management prioritization of the combination of pathogen and livestock, or livestock product.
The purpose of this study was to investigate intake status and recognition of health functional foods by pre-and post-menopausal women in Seoul and Gyeonggi province. Survey questions were administered to 400 women around menopausal period, and data analysis was completed using the SPSS window program. Thirty-three percent of women recognized that they are healthy, and 47.1% of respondents are concerned with maintaining their health. However, respondents showed a low level of knowledge about the definition of menopause and health functional foods. Health concerns of respondents were significantly affected by marital status and level of education (P<0.05). Purchasing and intake of health functional foods was also significantly affected by health concerns and menopause symptoms (P<0.05). Twenty-nine percent of participants had taken health functional foods to prevent disease. However, most of them (85.9%) showed no knowledge of the main components of functional foods. In addition, knowledge associated with menopause and functional foods was affected by the level of education. The respondents' health concern, and thus purchase and intake frequencies of health functional foods, were affected by level of education. 'Effect of functional foods' was a top priority when respondents purchased health functional foods. The respondents answered black bean and pomegranate as foods that relieve menopause symptoms. However, they actually showed high intake frequency of black beans than pomegranate due to the high accessibility of black beans. The results of this study show that educational support for dietary guidelines is needed for middle-aged woman to be healthy after menopause.
This study investigated the antimicrobial effects of rooibos (tea extract), potassium lactate (PL) and sodium diacetate (SDA) mixture alone or in combinations on the growth of Clostridium perfringens vegetative cell and spore in ready-to-eat (RTE) Jokbal (pig's trotters). Addition of a combination of 10% rooibos and 4% PL + SDA inhibit growth of C. perfringens vegetative cell in Jokbal at 24 °C and 36 °C. The significant inhibition on germination and growth of C. perfringens spores was also observed in Jokbal with a combination of 10% rooibos and 4% PL + SDA (PL: 2.24%, SDA: 0.16%) at 24 °C. The Jokbal treated with 10% rooibos and 4% PL + SDA mixture had significantly (P < 0.05) lower TBARS values than the control at 10 and 24 °C. The lipid oxidation inhibition effect was the highest (P < 0.05) in anaerobic packed Jokbal with 10% rooibos. The addition of a combination of 10% rooibos and 4% PL + SDA during the processing of Jokbal prevented the growth of C. perfringens and the germination and growth of C. perfringens spores at room temperature. This study shows rooibos tea as a valuable natural food preservative in meat products.
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