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Thread: re-heating cooking oil

  1. #1 re-heating cooking oil 
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    Someone told me that if you re-heat oil, it's more unhealthy for you. I can't seem to figure a reason why that would be. Anyone knows?


    Whence comes this logic: no evidence = false?

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  3. #2  
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    When you heat cooking oil, it converts unsaturated oils to trans-saturated and saturated oils, although Im not too sure of the mechanism behind this, I think its if you heat oil at all, ot necessarily reheat but maybe its even worse if reheated.


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  4. #3  
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    http://www.newstarget.com/007722.html
    Studies done by researcher A. Saari Csallany, a professor of food chemistry and nutritional biochemistry at the University of Minnesota, show that the fatty acid-derived toxin 4-hydroxy-trans-2-nonenal (HNE) accumulates in high amounts in polyunsaturated vegetable oils that have been reheated or used for long periods of time. While the risks for home cooking are small, the concern is for restaurant frying, where oils might be reused or kept hot for most of the day. HNE has been linked to increased risk for a multitude of diseases, including strokes, Parkinson’s, Alzheimer’s, liver diseases, and cancer.
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  5. #4  
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    Thanks guys.

    I guess that's another reason to not eat too much fast food (if any at all).
    Whence comes this logic: no evidence = false?

    http://www.atheistthinktank.net/thinktank/index.php

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  6. #5  
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    Quote Originally Posted by scientstphilosophertheist
    Thanks guys.

    I guess that's another reason to not eat too much fast food (if any at all).
    Yes, and not only because of reheating the oil, but also because we don't know which kind of oil is it (of course you shouldn't always trust what they declare).

    Furthermore, they should dispose wasted oil through specialized firms, but, do they always do it? Sometimes they simply throw it away (in the sink or WC or in the country).
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