CHAPTER I INTRODUCTION Milk is a white liquid produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals before they are able to digest other types of food. Early-lactation milk contains colostrums‚ which carries the mother’s antibodies to the baby and can reduce the risk of many diseases in the baby. The precise components of raw milk vary by species and by a number of other factors‚ but it contains significant amounts of saturated fat‚ protein
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well and peel if necessary. Crush or mash to extract the juice. Use a fruit press or crush by hand and then strain the juice through a strong piece of cheesecloth. Add water twice the a month of the extracted juice‚ then add sugar if necessary. Pasteurization. Pasteurize the juice using the double boiler. This may consist of a kettle that can be placed within a much bigger kettle containing water. Prepare cheesecloth or any filter cloth‚ a spoon and a container for the pasteurized juice. Clean and
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BioSci 101 – Lab Section 810 QUANTITATIVE PLATING PURPOSE The purpose of this lab is to see the effects of pasteurization while emphasizing the process for serial dilutions. PROCEDURE See references (1) RESULTS As the dilution factor increased for both the raw milk (unpasteurized) and pasteurized milk samples‚ the number of colonies decreased. The number of cells/mL in the pasteurized milk sample is considerably less than the number of cells/mL in the raw milk sample. RAW (UNPASTEURIZED)
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Louis Pasteur was a chemist‚ turned microbiologist‚ turned veterinary medicine pioneer‚ turned vaccine maker. As a chemist‚ he was originally interested in the light bending properties of certain crystalline solutions. During the course of his study of these solutions he discovered that certain types of solutions were created by biological processes. As he investigated this phenomenon he was led to investigate the field of fermentation where he essentially discovered the aerobic and anaerobic
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Description Listeria monocytogenes is a gram-positive motile facultative anaerobe that inhabits a variety of environments. Using selective media it can be readily isolated from soil‚ water‚ vegetation and processed products‚ including ready-to-eat products designated for human consumption (Graves et al.‚ 1992). The bacterium was named monocytogenes because one distinguish characteristic of infection in rabbits‚ which was the production of monocytosis in blood (Shuin et al.‚ 1982). L. monocytogenes
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Pasteurized Cow’s Milk is Unhealthy for Humans "Got Milk?" I remember watching those commercials growing up and thinking how cool they were. Millions and millions of people drink cow’s milk every day. Milk has become an apparent necessity in an abundance of peoples’ lives. Many people use milk for breakfast such as on cereal‚ putting in their coffee or simply as a glass of milk with toast. At most grocery stores‚ the choices are fat free‚ one percent‚ two percent‚ and whole milk. It is believed
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Product Proposition Positioning statement: Slogan: “Plunge Into Refreshment” A fresh fruit juice with unique mixed flavors and combinations‚ which favour New product development and creating the scope for demand expansion and there by market for their product. Product Positioning (benefits‚ performance‚ quality‚ usage): Benefits: Ohayo as premium 100% juices made with combined fruits. Along with these all-natural‚ healthy ingredients‚ we hope to achieve status targeted for youth in achieving a healthier
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The Kaira District Co-operative Milk Producers’ Union Ltd. was registered on 1 December 1946 as a response to the exploitation of marginal milk producers by traders or agents of the only existing dairy‚ the Polson dairy‚ in the small city Anand (near Anand railway station) (in Kaira District of Gujarat).[7] Milk producers had to travel long distances to deliver milk‚ which often went sour in summer‚ to Polson. The prices of buffalo and cow milk were arbitrarily determined. Moreover‚ the government
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pressure‚ pumps‚ eye contact‚ and verbal message. Mr. X went to Mexico from England to manage a milk pasteurization plant. For eight months‚ he tried every way possible to convince his workers of the importance of punctuality and of checking every detail of their work. The response was always‚ “Yes‚ yes‚ we will do our best‚” but nothing ever changed. Then one day an impressive new pasteurization unit arrived and was installed. To celebrate the occasion‚ Mr. X decided to throw a big party at the
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Food Irradiation Food irradiation has the longest history‚ more than 40 years‚ of scientific research and testing of any food technology before approval. Research has been comprehensive‚ and has included wholesomeness‚ toxicological‚ and microbiological evaluation. Worldwide‚ 38 countries permit irradiation of food‚ and more than 28 billion lb of food is irradiated annually in Europe. It is important to note that food irradiation has a pretty remarkable list of national and international
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