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Faustina Atupra

Food and Drugs Board, Ghana

Food contamination caused by crop protection agents and chemical fertilisers and their long-term effects on human health

All measures and conditions necessary to control hazards and ensure the safety of foods at all stages of the chain are pivotal. In a food facility, this goal is implemented through established programs/systems. Anyway, even with the best control measures in place, a product may represent a risk for the consumer. Although the route of contamination air-to-food is of low impact, recontamination by air may be noteworthy even for zone categorized as low risk but requiring an environment with high hygienic standards to protect products from spoilage microorganisms. Bioaerosols vary as a function of the zone, the product and processing conditions. Therefore, the development of periodic monitoring of microbial ecology in the air is significant to verify the occurrence of undesired trends.
Common techniques to recover airborne microorganisms in the food industry are both passive and active. In particular, settle plates and devices such as impactors being simple and practical are prevailing for routine microbial air sampling. Typically, after air collection, microbial counts are directly enumerated through culture-based methods. Biochemical and molecular approaches are far from being commonly applied to monitor indoor air quality. To strengthen preventive hygienic actions, safeguarding the overall quality and the shelf life of food products, several air decontamination techniques may be applied for their effectiveness. Apart from the implementation of proper air-handling equipment, the adoption of chemical aerosolization is a feasible and cost-effective solution to reduce and prevent microbial spread especially in environments requiring high hygiene standards. Ozone air treatment may be a routinely exploitable strategy being characterized by a broad-spectrum antimicrobial power. UV radiation is a chemical-free alternative of interest with discrete efficacy.

Faustina Atupra

Food and Drugs Board, Ghana

Faustina Atupra

Food and Drugs Board, Ghana

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