Health Hazards know-how from Food

Health Hazards know-how from Food

Food may be accidentally or deliberately contaminated by Physical, Chemical and Microbiological Hazards.
 Chemical hazards include environmental contaminants; heavy metals, mycotoxins, natural toxins, improper storage, veterinary medicines amongst.
Incidents have occurred because of poor harvesting or storage of grain, use of banned veterinary products, industrial discharges, human error and deliberate adulteration and fraud. Food poisoning occurs after eating food contaminated by bacteria. The symptoms of food poisoning are basically the same as those of stomach flu: abdominal cramps, nausea, vomiting, diarrhea, and fever. But if your child and other people who have eaten the same food all have the same symptoms, the problem is more likely to be food poisoning than stomach flu.

Health Hazards due to Pests and Pesticides
Pest such as rodents and insects cause contamination on food. Once they get into food they consume a lot of it. They leave filth, bodily secretions, insect, fragments and rodent hairs as well as disease bearing and spoilage micro organism.
1. Rodent. It includes rats and mice. A single rat voids10.000 dropping and 4 liters of urine annually, and 5lakhs of hairs. The kidney of these rodents have anorganism causes disease of the liver, it transmitted to man through food and water. Rats causes 35 diseases.
2. Insects. Such as beetles, weevils, borers, make short work of stored food like cereals, pulses and flours. They eat up the whole grains and in this process uric acid and an offensive odour and taste develop in the food.

3. Pesticides. Organic pesticides like DDT, BHC, malathin, pyrethrum are used but these leave behind on the food as a residue, the unchanged chemicals or their derivatives. These are toxic depending on the nature of potential killers, the maximum concentration of pesticide residue that is permitted in or on food is laid down by the P.H.A. Acute poisoning by DDT are rare but continued consumption of these may lead to chronic health problems.



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