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Does Spinach inhibit absorption of Calcium?



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RENATARUNS
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6/30/14 12:09 P

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The substances are called oxalates, if you want to look them up specifically, and some foods contain more of them than others, with spinach having a fair amount.

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LADYSTARWIND
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6/30/14 11:25 A

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Thanks Kris, Becky & Sunshine!!
The spinach/calcium info was new to me! I'd never have guessed that my love of spinach (and rhubarb!) might be keeping my calcium absorption down a bit! Its NOT a problem for me though, since Dairy sources abound in my diet....
I was already aware of the purines/uric acid involvement with gout....but not knowing the mechanism for that decrease in calcium (oxalic acid binding) got me wondering if the "whatever it was" affecting calcium, also decreased the kidney clearance of Uric Acid. Glad to learn one has **nothing**(!) to do with the other!
thanks again!
patti


Edited by: LADYSTARWIND at: 6/30/2014 (11:28)
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DIETITIANBECKY
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6/30/14 7:55 A

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Don't rely on spinach as your main source of calcium for the body.
It is true that substances in the spinach decrease the absorption of the calcium in the spinach.
But eating spinach along with calcium rich foods such as milk and yogurt does not decrease the absorption of the calcium in those foods.

Today, medication is the preferred treatment option for gout. Much more effective. However, some people obtain better results when using the medication along with a specialized (low purine) diet. Talk to your doctor to find out what is best for you based on your medical history and medical needs.

Becky
Your SP Registered Dietitian




SUNSHINE6442
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6/30/14 7:30 A

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Gout is a form of arthritis caused by uric acid buildup and excessive uric acid can form crystals in the joints, causing pain and inflammation. Too much protein could be the problem...when bodies are handling excess protein, kidneys become unable to process uric acid quickly...and then you have gout...also a diet high in carbs and low in fats can lead to less consumption of fiber, thus resulting in excess protein in the body. It is very painful...I know.

Things to avoid are alcohol, stay away from foods with purines which increase levels of uric acid. The worst offenders are liver or other organ meats, anchovies, lobster, shrimp, scallops, herring, mackerel,salmon, trout, beef, pork, & lamb, beans, mushrooms, cauliflower,spinach, and bacon.

Hope this helps you with the gout question




SLIMMERKIWI
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6/30/14 6:56 A



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Years ago my husband was put on a calcium reduced diet because of frequently forming kidney stones - humungous ones. In later years the Dietitians told us to just eat as he normally would have (but not to go overboard on the calcium foods) because it was discovered that by reducing the calcium too much, it would leach it out of the bones.

Anyway, below is a link to Livestrong.com which should answer your question:
www.livestrong.com/article/486610-spinach-
calcium-absorption/


I would think that it is the purines in foods rather than calcium that would affect gout. Spinach does have some. Below is a link to WebMD which may be helpful for that:
www.webmd.com/arthritis/features/gout-trig
gers


I hope that helps you,
Kris

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I am not a Dr - please check with your qualified Health Professional for a diagnosis and treatment plan


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LADYSTARWIND
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6/29/14 11:27 P

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OK Nutrition Gurus....can you clarify what's going on here??

I was perusing my old copy of Joy of Cooking (Copyright 1975...!) and I discovered the following statement: "About Spinach: One of the more controversial greens, this is believed---with some scientific justification--to inhibit the body's absorption of calcium. It is also the most delectable of greens. We recommend throwing caution to the winds and enjoying it in moderation."

True or False? How does today's Nutrition knowledge view spinach in light of calcium absorption? I know the Spark Nutrition article on 15 Ways to Increase Your Calcium states that "one cup of spinach contains almost 250 milligrams of calcium" ....so does that Calcium get absorbed OK? Also, does this have anything to do with why spinach is on the lists of foods to limit if you have gout...?

I will look forward to finding out more!! Thanks,
patti

"Its not the Mountain ahead that wears you out, but the grain of sand in your shoe..."


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