Use of UV in agriculture, husbandry, and food industry
Today, besides using artificial light and UV for dense cultivation of plants in many greenhouses, Ultraviolet light in the UVC range can purify the water and environment used for cultivation, eradicate microorganisms not favored by plants, and improve production. However, the storage of many fruits and plant products, even under cold storage conditions, is associated with surface bacteria’s growth and the spoilage of fruits and crops. The use of UV lights can be substantially helpful. UV systems have well showcased their efficiency in the animal husbandry industry in which the water used for breeding livestock or poultry is contaminated with wastewater or sewage. This contamination can derive from different factors, such as wastewater penetrating well water. However, given the impossibility of consistent disinfection of livestock or poultry’s drinking water, UV disinfection technology is the only effective and practical option.
The food sector has also paid much attention to taking advantage of this technology’s effective germicidal properties. Water used directly or indirectly for washing should be free of germs, and that is where UV radiation makes a splash. Many times they have reported a reduction in microbial burden in meat or juices. We can remove microorganisms from apple juice and orange juice or other juices (from 1000 NTU in apple juice to over 4000 NTU in pulped or more turpid juices) with different UV radiation doses. Preparing a UV tunnel for food materials before packaging reduces fungal spores and prevents spoilage. In many such environments, spoilage or pathogenic germs are imported via the air through air-conditioning systems. We can install UV radiation devices in the air ducts to eliminate germs in such cases.