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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Experiment 7: A Study of Chemical Changes: Types of Chemical Reaction INTRODUCTION Chemical changes are results of chemical reactions. All chemical reactions involve a change in substance and a change in energy. They are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products. There are different types of chemical reaction classified into 4 general types‚ namely‚ Synthesis‚ Decomposition
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INTRODUCTION Sugar is one of the main food items consumed in Sri Lanka. The annual per capita consumption of sugar in Sri Lanka is around 30 kg and the total annual requirement of sugar in the country is around 550‚000t. But‚ only about 50‚000 t are produced locally. In a year only 38‚000 t were produced. The balance requirement has to be imported. The total annual expenditure on sugar imports is around Rs. 20 billion. Sugar cane (Saccharum officinarum) is the only crop cultivated in Sri Lanka
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Mr. Brown all your tests look ok. Your triglycerides are at 145‚ cholesterol 210‚ hdl 33‚ and ldl 160. Triglycerides are chemical compounds digested by the body to provide it with the energy for metabolism. Triglycerides are the most common form of fat in the body. They are the main ingredient in vegetable oils and animal fats. Cholesterol is a soft‚ waxy substance found in all of your body’s cells. Your body needs cholesterol in order to work properly. This is because your body uses it to hold
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Chemical Basis of Life Chemistry Atoms – smallest particle of an element Subatomic particles: * Protons * Neutrons * Electrons Molecules – a unit formed by 2 or more atoms joined together Elements Compounds Mass Weight Inorganic Compounds – molecules that do not necessarily contain a carbon Organic Compounds – always contain large amounts of carbon * theses are the molecules composing living things – organisms Biologically important Inorganic Molecules
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Section of a Fertilizer Industry: A Case Study Muhammad Abid*‚ Suleman Ayub‚ Humza Wali‚ Muhammad Najam Tariq Faculty of Mechanical Engineering‚ Ghulam Ishaq Khan Institute of Engineering Sciences & Technology‚ Topi‚ 23640‚ Swabi‚ KPK‚ Pakistan *abid@giki.edu.pk Abstract—This paper provides an insight to the application of Reliability Centered Maintenance (RCM) and life data analysis. The objective is to formulate a Failure Management Policy for the utility section of a fertilizer industry. It
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Maroubra surf lifesaving club How effective are the coastal management strategies used at present in your local beach area? The coastal management strategies are not very effective as gathered from the surveys. On average‚ the participating surveyees gave the strategies a 4 out of a possible 5. This data were gathered from visitors/neighbourhoods who visit on average frequently. The main concern that would need conventional changes are council clean ups for rubbish track paths‚ washrooms and
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VCE Chemistry Week 1 - Chemical Analysis (1) Horizen Education February 8‚ 2013 1 1.1 Review: Gravimetric and Volumetric Analysis Gravimetric Analysis Solubilities Always soluble: Usually soluble: Exceptions: Na+ ‚ K+ ‚ NO3− ‚ CH3 COO− ‚ NH+ 4 Cl− ‚ I− ‚ Br− i. Sodium carbonate and Silver nitrate ii. Iron (II) sulfate and Lead (II) nitrate iii. Sodium nitrate and Nickel sulfate iv. Potassium hydroxide and Copper (II) nitrate v. Sodium sul de and Cadmium sulfate Ho
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The State and the State of the Environment in the Philippines The clamor for environmental preservation became stronger when the issues of global warming and environmental degradation took centerstage. All around the world‚ states have been doing their best to pass legislations that would protect the environment for the use of the future generation. Hence‚ the concept of sustainable development has also developed in response to the global issue—something that the past development planners did not
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The Effects of Sea-Level Rise on Coastal Salt Marshes and their Associated Ecosystem Services Katelyn M. Nyberg Introduction Climate Change The Intergovernmental Panel of Climate Change (IPCC) has observed an increase of 0.19 meters of global mean sea-level rise from 1901 to 2010‚ with “about 70% of the coastlines worldwide projected to experience a sea level change within ±20% of the global mean” (IPCC 2014). Dramatic increases in sea-level are produced by increasing temperatures which cause glaciers
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