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1.
PLoS One ; 17(8): e0270425, 2022.
Article in English | MEDLINE | ID: mdl-35913927

ABSTRACT

Non-typhoidal Salmonellae are common foodborne pathogens that can cause gastroenteritis and other illnesses in people. This is the first study to assess the transfer of Salmonella enterica from raw chicken carcasses to ready-to-eat chicken salad in Cambodia. Twelve focus group discussions in four Cambodian provinces collected information on typical household ways of preparing salad. The results informed four laboratory experiments that mimicked household practices, using chicken carcasses inoculated with Salmonella. We developed four scenarios encompassing the range of practices, varying by order of washing (chicken or vegetables first) and change of chopping utensils (same utensils or different). Even though raw carcasses were washed twice, Salmonella was isolated from 32 out of 36 chicken samples (88.9%, 95% CI: 73.0-96.4) and two out of 18 vegetable samples (11.1%, 95% CI: 1.9-36.1). Salmonella was detected on cutting boards (66.7%), knives (50.0%) and hands (22.2%) after one wash; cross-contamination was significantly higher on cutting boards than on knives or hands (p-value < 0.05). The ready-to-eat chicken salad was contaminated in scenario 1 (wash vegetables first, use same utensils), 2 (wash vegetables first, use different utensils) and 3 (wash chicken first, use same utensils) but not 4 (wash chicken first, use different utensils) (77.8%, 11.1%, 22.2% and 0%, respectively). There was significantly higher Salmonella cross-contamination in scenario 1 (wash vegetables first, use same utensils) than in the other three scenarios. These results show how different hygiene practices influence the risk of pathogens contaminating chicken salad. This information could decrease the risk of foodborne disease in Cambodia and provides inputs to a quantitative risk assessment model.


Subject(s)
Salads , Salmonella enterica , Animals , Asian People , Chickens , Colony Count, Microbial , Food Contamination/analysis , Food Contamination/prevention & control , Food Handling/methods , Food Microbiology , Humans , London , Salmonella typhimurium , Serogroup , Vegetables
2.
BMJ Open ; 12(3): e054940, 2022 03 25.
Article in English | MEDLINE | ID: mdl-35338057

ABSTRACT

OBJECTIVES: To determine women's perception of the risk of food safety and how it relates to diet, health and decision making as part of formative research for a market-based intervention that aims to improve the safety of animal-source foods sold in informal markets. DESIGN: Qualitative study including in-depth personal interviews with 24 caregivers were conducted and complemented with a second follow-up PhotoVoice interview, which allowed the women to photograph their meals and perceptions of food safety and nutrition. Interview data were analysed using thematic analysis in MAXQDA. Participants were purposively sampled from a larger Safe Food, Fair Food for Cambodia study, conducted from May to August 2018. SETTING: Urban and periurban neighborhoods of Phnom Penh, Cambodia. PARTICIPANTS: 24 female caregivers (mothers and grandmothers) of children under age 5, each interviewed twice. FINDINGS: A primary food safety concern expressed was that chemicals (pesticides and other agricultural additives) in animal-source foods, fruits and vegetables may impact the health of their families by causing diarrhoea and problems during pregnancy. This fear created a lack of trust in markets, which influenced their food purchasing behaviours and strategies for making the food safer for their families. These mitigation strategies, including food selection and cleaning, vary among the women but are perceived as important to be able to provide their families with what they define as safe meals. CONCLUSIONS: Interventions that wish to decrease rates of foodborne illness and increase animal source food consumption should also address the belief that the food system has been compromised by the addition of pesticides and agricultural additives.


Subject(s)
Diet , Pesticides , Animals , Cambodia , Decision Making , Female , Food Safety , Humans , Perception , Pregnancy , Vegetables
3.
Public Health Nutr ; 25(3): 717-728, 2022 03.
Article in English | MEDLINE | ID: mdl-34593072

ABSTRACT

OBJECTIVE: To examine whether mothers' perceived neighbourhood food access is associated with their own and their young children's consumption of animal-flesh food, fruits and vegetables in peri-urban areas of Cambodia. DESIGN: A cross-sectional survey measured food consumption frequency and perceived neighbourhood food access, the latter including six dimensions of food availability, affordability, convenience, quality, safety and desirability. Multivariate logistic regression was used to assess the association between perceived food access and food consumption. SETTING: Peri-urban districts of Phnom Penh and Siem Reap, Cambodia. PARTICIPANTS: 198 mothers of children between 6 and 24 months old. RESULTS: Over 25 % of the mothers and 40 % of the children had low consumption (< once a day) of either animal-flesh food or fruits and vegetables. Compared with perceived high food access, perceived low food access was associated with an adjusted 5·6-fold and 4·3-fold greater odds of low animal-flesh food consumption among mothers (95 % CI 2·54, 12·46) and children (95 % CI 2·20, 8·60), respectively. Similarly, relative to perceived high food access, perceived low food access was associated with 7·6-times and 5·1-times higher adjusted odds of low fruits and vegetables consumption among mothers (95 % CI 3·22, 18·02) and children (95 % CI 2·69, 9·83), respectively. CONCLUSIONS: Mothers' perceived neighbourhood food access was an important predictor of their own and their young children's nutrient-rich food consumption in peri-urban Cambodia. Future work is needed to confirm our findings in other urban settings and examine the role of neighbourhood food environment in the consumption of both nutrient-rich and nutrient-poor food.


Subject(s)
Mothers , Vegetables , Animals , Cambodia , Child, Preschool , Cross-Sectional Studies , Diet , Female , Fruit , Humans
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