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Ann P

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  • Ann P
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    Another article on the dangers of canola oil, but no citations with it: http://pets.answers.com/pet-care/good-or-bad-canola-soybean-safflower-oil-in-dog-cat-food

    Ann P
    Member

    Sorry! I made a typo when citing one of the studies below: In the Kramer study, the publication should read, “Lipids”.

    Ann P
    Member

    Please don’t wait until you have scientific “proof” to sounds the alarms about the health hazards of Canola oil! You won’t easily find them–especially in relation to dogs. Unfortunately, in the scientific community–to the chagrin of many ethical scientists, money rules! Mary Enig, Ph.D, is a leading authority on lipids and was one of the first scientists to raise serious concerns about the health effects of trans-fatty acids and she was academically black-balled for it. The the power of the vegetable oil lobby did her in–at least for a time. Dr. Enig is a co-author of a cookbook entitled, “Nourishing Traditions”. In a section about fats, this is what is written about Canola oil:
    “Canola Oil contains 5 percent saturated fat, 57 percent oleic acid, 23 percent omega-6 and 10-15 percent omega 3. The newest oil on the market, canola oil was developed from the rape seed, a member of the mustard family. Rape see is considered unsuited to human consumption because it contains a long-chain fatty acid called erucic acid, which under some circumstances is associated with fibrotic heart lesions. Canola oil was bred to contain little if any erucic acid and has drawn the attention of nutritionists because of its high oleic-acid content. But there are some indications that canola oil presents dangers of its own. It has a high sulphur content and goes rancid easily. Baked goods made with canola oil develop mold very quickly. During the deodorizing process, the omega-3 fatty acids of processed canola oil are transformed into TRANS fatty acids, similar to those in margarine and possibly more dangerous. A recent study indicates that “heart healthy” canola oil actually creates a deficiency of vitamin E, a vitamin required for a healthy cardiovascular system. Other studies indicate that even low erucic-acid canola oil causes heart lesions particularly when the diet is also low in saturated fat.” Here are the three studies cited (I don’t know how to italicize here–so it’s not in proper form):

    Sauer, FD, et al, Nutrition Research, 1997, 17:2:259-269

    Kramer, J K G, et al, Lip1982, 17:372-382;

    Trenholm, H L, et al, Canadian Institute Food Science Technology Journal, 1979, 12:189-193

    Between my roommate and myself, there are four dogs in our household. We have been tight on money so took pains to find the least expensive dog food of reasonable quality and grain-free for our dogs. We were directed to a new dog food that had Canola oil listed as its fourth ingredient. Our two oldest dogs got extremely sick on it (with vomiting, diarrhea and extreme lethargy) and the younger ones started getting loose stools and eating a lot of grass. Yes, yes! I know, “correlation is not causation”! But I will no longer gamble my dogs’ health on Canola oil. I may just have to get a third job! Here is an article that also cites a few studies:

    http://breathing.com/articles/canola-oil.htm

    It is assumed that dried dog food can be stored at room temperature. Knowing how fragile canola oil is when it comes to rancidity, just imagine how rancid it is in these dried dog foods! Please revisit the canola oil debate and warn your readers!

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