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Pasteurization of milk is a process by which milk is heated [#permalink]
18 Jun 2011, 04:39
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54% (02:41) correct
46% (02:18) wrong based on 417 sessions
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Pasteurization of milk is a process by which milk is heated to a certain temperature and then rapidly cooled, killing pathogens and increasing the milk's shelf life. Recently pasteurization has come under fire because it has been found that during pasteurization many helpful digestive enzymes are destroyed, and many dangerous pathogens, including the MAP bacterial strain, which is linked to Crohn’s disease, are not. Because of this, some people have started drinking ‘raw milk’ milk, which is not pasteurized or otherwise processed. Proponents of pasteurization point out that that pasteurization is still necessary to reduce bacterial contamination, and that heating milk at home also kills beneficial digestive enzymes. Raw milk drinkers argue that this argument is beside the point, since most people who drink milk do not heat it first, or else misleading, since ___________________.
Which of the following best completes the passage?
A)Many of the proponents of pasteurization are dairy farmers who rely on the increased shelf life of pasteurized milk to ship their product farther away. B)It is clear that killing pathogens that may be present in milk is not the only effect of pasteurization. C)Cooked milk is generally heated to a higher temperature than pasteurized milk is. D)milk that is subjected to both processes loses even more of the helpful digestive enzymes than milk subjected to either process alone. E)Pasteurization serves to ensure a longer shelf life for milk, while heating milk is usually the final step in its preparation.
Re: Pasteurization of milk is a process by which milk is heated [#permalink]
14 Mar 2016, 12:55
I cant agree with "D" because the argument doesnt talk about "2 processes" at all.
Raw milk drinkers consume the milk as-is - without heating. Since that's the case, there's never a scenario where raw-milk drinkers use "either process alone" - hence wont be put forth as an argument.
In my opinion, D is correct because - 1. MOST people who drink milk do not heat at home, so they will not be killing digestive enzymes by heating. This addresses the "beside the point" part of argument. 2. For the SOME people who DO heat milk (because MOST is not = ALL), will be subjecting the milk to 2 processes - pasteurization and heating at home having a dual effect. So, they would rather drink it raw and heat it once. This addresses the "else misleading part" and completes the sentence.
Re: Pasteurization of milk is a process by which milk is heated
14 Mar 2016, 12:55