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Is heating nuts bad?

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  • Is heating nuts bad?

    So I love nuts and seeds and just made a very nice flax seed wrap with flax meal and egg. I heated it up to get it to all come together. Is it bad to heat nuts? Thought I heard somewhere that it isn't a good idea to do this. I also make a hot b-fast cereal with pecans and almonds.

    Also, is there really any downfall (other than being allergic to nuts) of consuming too many nuts? I have quite a few in the morning and afternoon.

    Thanks

  • #2
    Seeds and nuts are high in PUFA's. Heating PUFA's can oxidize them, and that is very unhealthy. Having said that, I still do it occasionally as part of baking. Flax is extremely high in PUFA's and should be avoided. Even though it is Omega 3's, it is the ALA kind which is extremely poorly converted to the forms that the human body uses. Other nuts are too high in Omega 6's, which pretty much require balancing with bio-available Omega 3's, again leading to too much PUFA's in the body. They also tend to be high in phytic acid which block nutrient absorption in the intestines. And finally nuts are highly calorie dense in additional to the inflammatory Omega 6's.

    Occasional snacks can be gotten away with. The constant reaching and grabbing for nuts will set you back more than likely.

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    • #3
      so any "breads" made with almond, flax or any other nuts should be avoided? What is Mark Sisson's view on this because he has a recipe for a hot primal cereal that has nuts and they are heated up in the microwave...

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      • #4
        "Faux" breads, cookies, cakes, and other baked goods really should only be consumed on special occasions or when you have a craving that is too hard to resist. People recommend almond meal cookies not because they are healthful, but because they are the lesser of two evils when compared to store-bought cookies.

        If you're going to use any type of flour on a regular basis, try coconut flour or sprouted brown rice flour.

        Heating nuts is okay, but only if it's the whole nut. The fats in nuts oxidize much faster when the nuts have been ground. Soak nuts overnight in room temperature water before using them, and don't make them the basis of your diet.

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        • #5
          It is best to have one's nuts gently warmed in the mouth.
          You lousy kids! Get off my savannah!

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          • #6
            Originally posted by Grumpy Caveman View Post
            It is best to have one's nuts gently warmed in the mouth.
            I know what you mean GC.
            And I'm getting sick and tired of the women at work asking for a handful of my nuts when they want a nibble.
            If you're interested in my (very) occasional updates on how I'm working out and what I'm eating click here.

            Originally posted by tfarny
            If you are new to the PB - please ignore ALL of this stuff, until you've read the book, or at least http://www.marksdailyapple.com/primal-blueprint-101/

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            • #7
              It's strange though because many paleo recipes and books have nuts in many of the recipes and they are heated up. It doesn't say to eat them in moderation. Is this relatively new revelations that nuts exposed to heat are toxic? I'm trying to look for what Mark Sisson has said on this but can't find any column where he addresses it.

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              • #8
                Mark has nice post on eating nuts here. I avoid nuts except for an occasional treat. I very, very rarely heat them. Once in a great while I'll make almond flour pancakes or something along those lines.


                Nuts and Omega 6 Fats | Mark's Daily Apple
                Using low lectin/nightshade free primal to control autoimmune arthritis. (And lost 50 lbs along the way )

                http://www.krispin.com/lectin.html

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                • #9
                  You can reduce the anti-nutrients in nuts by soaking them overnight then drying them in an oven on low heat for several hours. So heating them in that regard isn't bad.

                  But yes, I would generally concur that tree nut consumption should be limited. (Human nut consumption is another matter; there is no limit and probably everyone could use a higher dose).

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                  • #10
                    heating nuts is the worst thing you can do for the nut, for yourself, and for the children in africa

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                    • #11
                      Originally posted by Brent* View Post
                      so any "breads" made with almond, flax or any other nuts should be avoided?
                      Absolutely. My opinion.
                      Don't put your trust in anyone on this forum, including me. You are the key to your own success.

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                      • #12
                        Originally posted by Grumpy Caveman View Post
                        It is best to have one's nuts gently warmed in the mouth.
                        LOL ... and with a devious grin at that !
                        Everything's shiny, Cap'n. Not to fret.




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                        • #13
                          I'm hoping Mark refutes nuts a little more strongly in his new book- he does show a willingness to change his position on things based on the evidence.
                          Lifting Journal

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                          • #14
                            I still heat nuts, as in baking, but I do it with full knowledge of how damaging it can be. However, since I don't do as much almond meal anymore, as well as not eating most nuts in general, and focus on eating macadamias, I limit my my exposure (at a cost!). Unfortunately macadamias, being the safest of the lot, are costly!

                            For example, in the past week I have roasted a pound of macadamias, then did the lemon-macadamia square desert, etc... I also did a pumpkin pie with an almond crust but I will probably switch doing that over to macadamias once I use up my almonds.

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                            • #15
                              Originally posted by HeatherJ View Post
                              You can reduce the anti-nutrients in nuts by soaking them overnight then drying them in an oven on low heat for several hours. So heating them in that regard isn't bad.

                              But yes, I would generally concur that tree nut consumption should be limited. (Human nut consumption is another matter; there is no limit and probably everyone could use a higher dose).
                              I can say with 100% confidence that I do not need any dose, let alone a higher dose of human nuts.

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