TUTOR’S NAME: Claudette Jessop TUTORIAL DAY AND TIME: Thursday 10-12noon COURSEWORK ASSIGNMENT: Expository method- Classification DATE OF SUBMISSION: Monday 28th 2010. Essay Topic: Methods of food preservation Thesis Statement: Methods of food preservation can be categorized as use of chemical preservatives‚ removal of moisture‚ irradiation and temperature control. |Sub-topics: |Topic sentences:
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4/4/2013 Food Preservation Methods Food Preservation Using Chemicals SMY04032012 A naturally / synthetically produced substances that is added to food/beverages to prevent spoilage Preservatives: The good‚ bad and ugly! 1 4/4/2013 Sometimes‚ food may spoil because of the changes in the food itself. When food spoils‚ the following may change: • appearance • taste • texture • odour © Food – a fact of life 2007 Food may become unsafe to eat. Micro-organisms need certain
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8. Store grain using appropriate methods Once grain is sufficiently dry and cleaned it should be put in storage. In all cases‚ the moisture content of grain placed in store must be at or below the safe limit (see Section 4 Box 3). Grain may be stored on farm for different length of time as follows - short-term (e.g. <3 months) before it is moved to the next link in the marketing chain‚ in this case the Collection Point of the Farmers’ Organisation‚ or medium to long-term (3-12 months)where farmers
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Ancient Food Preservation Methods Food preservation is a process used to save or delay foods from spoiling. These methods have been used before the beginning of written records. There were many ways that food was stored and preserved for future use and consumption. Although the ancient people lacked technology‚ they still understood the realization that the food they ate needed a process to keep their food safe to eat. This paper will help you better understand the use of food preservation technology
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vegetables‚ fish‚ or meat was sealed in stoppered bottles and the filled bottles were immersed in boiling water; the heat sterilized the bottles and food alike. Appert knew nothing of enzymes or bacteria‚ nor did anyone else in his day. He did observe that when food was heated in the sealed bottles‚ the food remained good as long as the seal was not broken. The food remained edible until the bottles were opened. The process won him his prize in 1809; he started a canning factory and went on to found a
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FOOD PRESERVATION Food is preserved to prevent natural and microbial decay‚ by modifying the conditions that favour enzyme activity and the growth of micro-organisms. Foods are preserved for the following reasons: 1. To add variety to the diet‚ by making food available out of season. 2. To make use of food when it is cheap and plentiful and to store it for later use. 3. To vary the diet by preserving food in ways the make a new product out of the food (e.g. pickling‚ jam making).
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Proposal: Change in the fast food industry (we can take a specific restaurant like McDonald’s) to fight obesity Fast food and obesity The relationship between a nation’s fast food consumption and its rate of obesity has been studied. Schlosser said "it seems wherever America’s fast food chains go‚ waistlines inevitably start expanding." Schlosser argues that the North America has the highest obesity rate of any industrialized nation. More than half of all adults and about one-quarter of all children
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Food ©2007 Global Science Books Food Preservation – A Biopreservative Approach Iraj Rasooli Department of Biology‚ Shahed University‚ Opposite Imam Khomeini’s Shrine‚ Tehran-Qom Express Way‚ Tehran‚ Iran Correspondence: * rasooli@shahed.ac.ir ABSTRACT Preservative agents are required to ensure that manufactured foods remain safe and unspoiled. Antimicrobial properties of essential oils (EOs) reveal that Gram-positive bacteria are more vulnerable than Gram-negative bacteria. A number of EO
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HRHM 3020 The Purpose of the article is identified. Food security requires time and attention to food storage method‚ we need to check every food before customer eat. The Summary of the article content is accurate. The appropriate content in consideration is covered in depth without being redundant. The date suggested that ethnic restaurant personnel need increased food safety training‚ especially for critical behaviors such as time and temperature control and hand washing. Evaluation
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INTRODUCTION Food deteriorate in quality due to a wide range of chemical and enzymatic reactions‚ added to this the consumer demands faster production rate for high quality food with “fresh-like” characteristics and long shelf life‚ leading to the application of thermal processes for food preservation. However this thermal treatments cause undesirable effects on food flavor‚ color and nutritional attributes such as protein and vitamin destruction. These market conditions together with the disadvantages
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