PPT-Spoilage of Canned Foods

By Dr Abhishek Thakur Assistant Professor College of Fisheries Kishanganj BASU Patna Subject Fish Canning Technology Date of Lecture 22062020 amp 06072020 Food Spoilage Food spoilage can be defined as . 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. Microorganisms & Food. OCR AS Biology – F212 – Module 2. Food & Health. Learning Objectives. Success Criteria. Understand that food spoilage can be harmful to human health.. Understand the methods used to prevent food spoilage.. THE HORROR. 'like shooting fish in a barrel' . . . In a canned hunt there is no patience, no chance and no skill. The animals in a canned hunt are enclosed, there is no escape.. Normal Hunt . In a 'normal' hunt the hunter goes out armed with rifle and a bagful of patience. The animal is tracked down and killed, ideally with a single shot, a 'clean kill'. Often the hunter returns home empty handed. Where chance is part of the formula even the most stalwart anti-hunt individual would probably give a tiny degree of acceptance. . Microbial food spoilage occurs as a consequence of either microbial growth in a food or release of extracellular and intracellular(following cell . lysis. ) . enzymes in the food environment.. Signs of spoilage of different types of food:. 1. 41. Copyright © McGraw-Hill Global Education Holdings, LLC. Permission required for reproduction or display.. Microbial Growth and . Food . Spoilage. Results . from growth of microbes in food. alters food visibly and in other ways, rendering it unsuitable for . Value-Added Foods. Local, organic, vine-ripened, or specialty crops. “Gourmet” foods. Jams, jellies, preserves. Pickled vegetables. Hot sauces, salsas, tapenades. Herbed oils and vinegars. Must consider regulatory, safety and labeling issues. http://. www.learnalberta.ca/content/kefs/index.html. food safety. http://. www.youtube.com/watch?v=1EkehFkhWf4. youtube. - We will We Will Rock you. http://. www.youtube.com/watch?v=32x65e9zTYo&feature=related. Made by Ms. Hughes. Compare and contrast the cost and taste of made-from-scratch, convenience, and ready-made foods. . Competency . #46. Making a food from scratch involves using staple ingredients, or other store bought ingredients. . Convenience Foods . Item that has been commercially processed to make it more convenient to store or use. Includes items that have been processed for a longer shelf life. Reduce meal preparation time. . The ability of microorganisms to grow or multiply in a food is determined by the food environment ( intrinsic environment of food) as well as the environment in which the food is stored (extrinsic environment ).. . 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 . What are LABs?. Lactococcus. sp.. Lactobacillus. sp.. Leuconostoc. sp.. Pediococcus. sp.. Oenococcus. sp.. Streptococcus. sp.. Enterococcus. sp.. Sporolactobacillus. sp.. Carnobacterium. sp.. . 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.. Spoilage of Canned Foods By Dr. Abhishek Thakur (Assistant Professor) College of Fisheries, Kishanganj BASU, Patna Subject: Fish Canning Technology Date of Lecture: 22.06.2020 & 06.07.2020 Food Spoilage Food spoilage can be defined as any