wikipedia.org/wiki/Preservative http://en.wikipedia.org/w/index.php?title=Preservative&action=edit A preservative is a naturally occurring or synthetically produced substance that is added to products such as foods‚ pharmaceuticals‚ paints‚ biological samples‚ wood‚ etc. to prevent decomposition by microbial growth or by undesirable chemical changes. Preservatives can be divided into two types‚ depending on their origin. Class I preservatives refers to those preservatives which are naturally
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“ Food Preservatives” Submitted in Partial Fullfillment of the Requirements for the subject of Advance Chemistry IV to the Pisco Private School By: Mary Maren M. Guanlao 4th year Blaise Pascal Mary Maren M. Guanlao Mrs. Maria Dulce Bongon Adv Chemistry IV 12‚ April 2013 Food Preservatives Food is all around us and is necessary for everyday survival. Yet it has become so different from what it used to be. With the
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Advantages and Disadvantages of Fast Foods Food that we eat today has changed more in the past 30 years‚ than in the past 3‚000 years. What is even more astonishing is that these changes have occurred without the public even knowing it or having the chance to debate it. How has this happened? We are now a culture that is very distant from where our food comes from. We are alienated from our food industry. We don’t see how the food is made or what chemicals‚ food coloring or fillers are added to
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reasons that many people love to eat fast food. It is fast and easy to eat food which makes us satisfy. But‚ recently‚ We have heard that fast food is farmful food for human. However‚ recently‚ We hear that fast food is harmful food for human. There are too many researches about disadvantage of fast food. I think that fast food has more hamful properties than benefit ones. There are some reasons why fast food is harmful one. First of all‚ Fast food is fried by oil. For example‚ When it was
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Fast food is the term linking to the food is prepared and served quickly. It is a fact that there is a rapid rise in the number of Mc Donal ‚ KFC ‚ Bugger King....restaurants over the world as a oblivious evidence for the hot trend of ready-food in fast-paced and sedentary life. However‚ like everything‚ it has its own pros and cons. The most demonstrable advantage of fast food is saving time. In today’ modern life ‚ people feel comfortable and convernient when they order a pizza or bugger after
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Fast food Fast food or traditional food? This is a new brand debate between people all around the world specially between older and younger members of families. My mother is a medical doctor and she always prevented me from eating fast food and junky food. In my opinion‚ although fast foods bring some advantages to our nowadays lives‚ they have many disadvantages such as containing a lot of bad lipids and high calories and consist of some refrigerated and synthetic materials. First of all‚ fast
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popularity of fast food restaurants‚ food has become easier to prepare than ever. Do you think microwave ovens and fast food restaurants are beneficial to society? Use spesific reasons and examples to support your answer. Advantages and Disadvantages of Fast Foods Currently most of the people prefer fast foods and foods cooked in microwave oven instead of preparing and cooking homemade foods that takes longer. The trend of having food quickly has advantages and disadvantages either. In my
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In my point of view‚ the first and foremost benefit fast food brings to customers is time and speed saving. Modern society with piles of work pushes people to be busy at any time‚ especially businessmen and officials. Even students are also up to ears with exercises and examination. Fast food‚ therefore‚ becomes a popular choice of many people. By coming to restaurants‚ which sell fastfood‚ the customers are quickly served; they can save a lot of time to do other things instead of cooking at
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taste for longer as well as to meet the requirements of food manufactures many chemical compound have been discovered and developed as ways to preserve food and extend their life for longer. With the increasing of new technologies‚ transportation and a growing population‚ food processing which requires the use of preservatives‚ ensures the extension of shelf life of many foods and beverages. There are many different types of food preservatives that are added to our daily diet. Butylated hydroxyanisole
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Marissa Ware Partner(s): None Chem 253—TA: Josh Lovell Lab 1: Effect of pH on a Food Preservative 6/11/13 Purpose: (1 point) To determine whether a chemical change occurs when Sodium Benzoate is acidified to Benzoic Acid. Theory: (2 points) Sodium Benzoate is a common food preservative found in jellies‚ jams‚ sodas‚ fruit juices‚ etc... Its acid‚ Benzoic Acid‚ is an organic preservative that stops the growth of bacteria‚ yeasts‚ and molds. Reaction: (3 points) Reaction: sodium
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