Is there really such a thing called kale toxicity? - Mothering Forums

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#1 of 6 Old 01-07-2009, 02:51 AM - Thread Starter
 
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I've been making green smoothies as a way to increase my veggie intake. They usually include kale, collards, spinach, etc. I'm a vegetarian going back to vegan. I mentioned my green smoothies to a friend and she said I should be careful because her friend went overboard with smoothies and got kale toxicity.

Could that really happen? How much kale is too much kale??

"In the depth of winter, I finally learned that within me there lay an invincible summer"
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#2 of 6 Old 01-07-2009, 02:51 PM
 
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An early urinalysis test during my pregnancy showed that I had high concentrations of oxalic acid in my urine, a precursor to kidney stones. Kale, spinach, beet tops, etc. are high in oxalic acid, so I was told to limit those (as well as make a few other dietary changes)...maybe that's what she means? I was blown away when my midwife told me about it--eat FEWER greens? WHAT?
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#3 of 6 Old 01-08-2009, 04:22 AM
 
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how many had you had? this scares me--I have kale and spinach in smoothies everyday!
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#4 of 6 Old 01-08-2009, 01:29 PM
 
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Here is a cheat with various veggies and their amounts of oxalic acid per 100 grams of food:http://www.nal.usda.gov/fnic/foodcom...er/oxalic.html
Here is another with more vegetables (scroll to the bottom).

A lot of the greens are rather high.
Spinach has one of the higher contents, at .97 grams. There are several that are higher, like lambsquarters, purslane, parsley, ect.

But kale is actually quite low, only .02 grams of oxalic acid per 100 grams of vegetable.
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#5 of 6 Old 01-09-2009, 02:33 AM - Thread Starter
 
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Thanks for the link!

I drink a shake per day that contains kale, chard, spinach and all sorts of other awful stuff. I wonder if that's too much.

"In the depth of winter, I finally learned that within me there lay an invincible summer"
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#6 of 6 Old 01-09-2009, 07:39 PM
 
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I would make sure to rotate your greens, but from the description of your smoothie, you probably aren't taking in tons of kale with each one. Like a few leafs? Have you read Victoria Boutenko's book on green smoothies? I loaned mine out otherwise I would look it up for you. It's a good read if you don't have it! Good luck! I love kale, btw. Mary

Mary, Mama to 3 boys! 9/05 & 8/08 & 7/12
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