General fitness, health and nutrition · Public discussion

Re: Phytates

Started by Knack · · Last activity · 3 posts · 416 views

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General fitness, health and nutrition
Published
7 February 2006
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8 February 2006
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Knack
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  1. Quoted message said:

    So, take your pick. All of this anti-phytate rhetoric is
    either A) serious stuff B) ridiculous propaganda.

    Phytates are generally regarded as antinutrients because of their metal
    chelating (mineral robbing) effect. Mideastern populations have high rates
    of mineral deficiency symptoms and osteoporosis (calcium loss from bones)
    mainly due to their consumption of whole bean hummus and *unleavened* whole
    grain "bread". But fermentation destroys phytates, so consumption of normal
    whole wheat bread is a generally acceptable dietary source of minerals.

    But phytates are not all that bad for one's health. When consumed in
    moderation they provide some benefits. Phytic acid functions as an
    antioxidant and may be important when intake of iron or copper is excessive,
    which would otherwise cause increased lipid peroxidation. Phytic acid's same
    mineral binding properties may also prevent colon cancer by reducing
    oxidative damage in the intestinal lumen. Have you ever heard of a medical
    treament for cardiovascular disease called chelation therapy? This treatment
    entails the use of a chelator named EDTA. So perhaps the chelating effect of
    phytic acid may similarly be helpful to prevent build-up of arterial plaque.
    This could be a partial explanation of the low rate of cardiovascular
    disease in Japan, where there is widespread consumption of rice bran oil,
    which is high in phytic acid.

    The nutritional extremists will try to convince you that it should be all
    one way or the other with regards to phytic acid / phytates (PA/P). However,
    if you weigh the evidence both for and against PA/P then you may realize
    that a moderate consumption of them is something like hedging a bet.

  2. Knack said:
    Quoted message said:

    So, take your pick. All of this anti-phytate rhetoric is
    either A) serious stuff B) ridiculous propaganda.


    Quoted message said:

    Phytates are generally regarded as antinutrients because of their metal
    chelating (mineral robbing) effect. Mideastern populations have high rates
    of mineral deficiency symptoms and osteoporosis (calcium loss from bones)
    mainly due to their consumption of whole bean hummus and *unleavened* whole
    grain "bread". But fermentation destroys phytates, so consumption of normal
    whole wheat bread is a generally acceptable dietary source of minerals.

    Are you saying that modern whole wheat breads, sold in supermarkets,
    are made from fermented whole wheat berries?

    TC

    Quoted message said:


    But phytates are not all that bad for one's health. When consumed in
    moderation they provide some benefits. Phytic acid functions as an
    antioxidant and may be important when intake of iron or copper is excessive,
    which would otherwise cause increased lipid peroxidation. Phytic acid's same
    mineral binding properties may also prevent colon cancer by reducing
    oxidative damage in the intestinal lumen. Have you ever heard of a medical
    treament for cardiovascular disease called chelation therapy? This treatment
    entails the use of a chelator named EDTA. So perhaps the chelating effect of
    phytic acid may similarly be helpful to prevent build-up of arterial plaque.
    This could be a partial explanation of the low rate of cardiovascular
    disease in Japan, where there is widespread consumption of rice bran oil,
    which is high in phytic acid.

    The nutritional extremists will try to convince you that it should be all
    one way or the other with regards to phytic acid / phytates (PA/P). However,
    if you weigh the evidence both for and against PA/P then you may realize
    that a moderate consumption of them is something like hedging a bet.

  3. "TC" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    Knack said:
    Quoted message said:

    So, take your pick. All of this anti-phytate rhetoric is
    either A) serious stuff B) ridiculous propaganda.


    Quoted message said:

    Phytates are generally regarded as antinutrients because of their metal
    chelating (mineral robbing) effect. Mideastern populations have high
    rates
    of mineral deficiency symptoms and osteoporosis (calcium loss from bones)
    mainly due to their consumption of whole bean hummus and *unleavened*
    whole
    grain "bread". But fermentation destroys phytates, so consumption of
    normal
    whole wheat bread is a generally acceptable dietary source of minerals.

    Are you saying that modern whole wheat breads, sold in supermarkets,
    are made from fermented whole wheat berries?

    Whole wheat flour of supermarket breads contains PA/P. Leavened whole wheat
    supermarket bread is baked after carbohydrates have become incompletely
    fermented by yeast; only enough fermentation to cause the dough to rise
    without collapsing due to excessive gas pockets. It just so happens that the
    limited fermentation is able to break down a lot of the PA/P.

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