Homogenization is accomplished by forcing hot milk under high pressure through small nozzles. The fat globules become so small that they remain evenly dispersed throughout the milk. Many researchers believe that non-homogenized milk is healthier than homogenized one for many reasons. When milk is homogenized, it passes through a fine filter at pressures equal to 4,000 pounds per square inch, and in so doing, the fat globules (liposomes) are made smaller (micronized) by a factor of ten times or more. These fat molecules become evenly dispersed within the liquid milk. In conclusion, people should consume non-homogenized milk more than homogenized one and the government should reduce the distribution of the homogenized milk. During homogenization there is a tremendous increase in surface area on the fat globules. The original fat globule membrane is lost and a new one is formed that incorporates a much greater portion of casein and whey proteins. This may account for the increased allergenicity of modern processed milk.” Adapted from: http://www.idebate.com Picture: http://www.dovesongdairy.com
Questions 1. 2.
What is homogenization according to the text? Why do the researchers believe that non-homogenized milk is healthier than the homogenized milk? What does the writer suggest?
3.
Task 23 Make groups of five and discuss whether the government should raise the rice price or not. Present your arguments and give your suggestions on the issue.
Task 24 The use of pesticides should be banned in Indonesia. Write a composition arguing the issue. Ask your classmate to give you feedback and then revise your draft. Publish your final draft in the school bulletin.
Cultural Tips Americans appreciate and are impressed by numbers. Using statistics to support your opinions will help you be persuasive.
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Interlanguage: English for Senior High School Students XI
7/19/2008 3:11:30 AM