PPT-Food Spoilage and Food Poisoning

Food Spoilage Natural Decay Contaminated by microscopic forms of life microorganisms Perishable Foods Foods spoil rapidly due to Large amounts of water and nutrients Examples include milk . INTRODUCTION. Milk products include milk, cream, butter, frozen deserts, cheese, fermented milks, condensed & dried milk products.. The nutritional qualities of milk & milk products make the desirable foods for humans and young animals.. CONTAMINATION OF SUGARS:. Sugar products include: sucrose (cane and beet sugar), molasses, syrups, maple sap and sugar, honey and candy.. SUCROSE. : . The raw juice expressed from sugarcane may become high in microbial content unless processing is prompt.. Varun. . Pathak. School of Biomedical Sciences,. University of Ulster,. Coleraine. Hunter-Gatherer society. supported low numbers/ self-sufficient. unreliable food supply. limited specialisation of individuals. Co-Principal Investigators - . Amber Avant. Bailey Crosby. Morgan Dandridge. Megan DeWitt. Casey Powell. Milk Spoilage . -. the point at which milk becomes unwholesome. Milk will have a bad odor . of cereals &cereal products. Submitted by :. P. aramjeet . m.Sc II FN. Roll no -604. CONTAMINATION. The exteriors of harvested grains retains some of the natural flora they had while growing plus contamination from soil ,insects & other sources. . Food contamination. There are three ways which food can be contaminated:. • . physical. ;. • . chemical. ;. • . bacterial. .. Physical contamination. Physical contamination . can occur in a variety of ways at different stages of food processing and production. Some examples are:. Food poisoning is also called foodborne illnesses . It is commonly caused by consuming contaminated food that is infected by either a bacteria, virus, parasite or their toxins.. The contamination can happen at home or during the processing of the food by improper handling or cooking of the food.. An estimated one million people are affected by foodborne disease in the UK annually, costing the economy in excess of £1bn. Laboratory confirmed human cases in the UK from 2000 to 2017 of the four major bacterial pathogens (harmful bacteria) are shown below. Only a minority of cases are reported and samples sent for analysis.. Causes of food poisoning. Food poisoning can be caused by. :. bacterial contamination, e.g. staphylococcus aureus from a food handler’s dirty hands;. physical contamination, e.g. hair, nails or plasters in food;. If a patient comes with poisoning to emergency medico legal registration should be carried out.. Preliminary particulars including name, age, sex, occupation, caste, address, date, time brought by whom, history.. and Storage. 2. Essentials for Living, 3. rd. Edition. Cross-contamination . HACCP . Perishable foods . Semi-perishable foods . Non-perishable foods . Frozen foods . Star markings (fridge and freezer). . MILK AND MILK PRODUCTS . Raw . milk contains many types of microorganisms coming from different sources. The average composition of cow’s milk is protein 3.2%, carbohydrates 4.8%, lipids 3.9%, and minerals 0.9%. Besides casein and . Food poisoning is referred to an illness acquired through consumption of food or drink contaminated with microorganisms or their toxins.. The term bacterial food poisoning is restricted to acute gastroenteritis due to the presence of bacteria or their toxins in food.. . Kinetics. Growth Curve. Log CFU/ml. Optical Density. Lag. First Order Kinetics. Food microbiology is concerned with all phases. Of microbial growth (. lag,log. , stationary, death phase).Growth curves are normally plotted as the number of cells on a log scale or log10 cell number versus time..