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Potato Salad May Help the Immune System
Science Daily ^ | 6-25-2007 | Society Of Chemical Industry

Posted on 06/25/2007 3:22:59 PM PDT by blam

Source: Society of Chemical Industry
Date: June 25, 2007

Potato Salad May Help the Immune System

Science Daily — It has long been known that eating potatoes is good for bowel health, but new research suggests that they may also have a beneficial effect on the whole immune system. Especially if eaten cold or in a potato salad, Anne Pichon reports in Chemistry & Industry.

Spanish researchers found that growing pigs fed large quantities of raw potato starch (RPS) had a healthier bowel. Not a surprise, but they also found that RPS pigs had decreased levels of white blood cells, such as leucocytes and lymphocytes in their blood. White blood cells are produced as a result of inflammation or disease, generally when the body is challenged.

The general down-regulation of leucocytes observed by the Spanish researchers suggests an overall beneficial effect, a generally more healthy body, according to immunology expert Lena Ohman at the Department of Internal Medicine, Göteborg University, Sweden. A reduction in leucocyte levels of about 15% was observed in the RPS pigs. Lower lymphocyte levels are also indicative of reduced levels of inflammation, but according to Ohman, the observed reduction in both lymphocyte density and lymphocyte apoptosis by the Spanish researchers is surprising.

Pigs were fed RPS over 14 weeks in what is the longest study of it kind on the effect of starch on bowel health (Journal of the Science of Food and Agriculture doi:10.1002/jsfa.2835). Study leader José Francisco Pérez at the Universitat Autònoma de Barcelona, Spain, said: 'The use of raw potato starch in this experiment is designed to simulate the effects of a diet high in resistant starch' says Pérez.

Humans do not eat raw potatoes, but they do eat a lot of foods that contain resistant starch, such as cold boiled potatoes, legumes, grains, green bananas, pasta and cereals About 10% of the starch eaten by human is resistant starch - starch that is not digested in the small intestine and so is shunted into the large intestine where it ferments.

Starch consumption is thought to reduce the risk of large bowel cancer and may also have an effect on irritable bowel syndrome (IBS). Ohman's team previously found that the overall lymphocyte levels do not vary for IBS patients, but that lymphocytes are transferred from the peripheral blood to the gut, which support the hypothesis of IBS being at least partially an inflammatory disorder. She says the decrease in lymphocytes observed by the Spanish is therefore interesting, and a diet of resistant starch may be worth trying in IBS patients.

Note: This story has been adapted from a news release issued by Society of Chemical Industry.


TOPICS: News/Current Events
KEYWORDS: immune; immunity; nutrition; potato; salad; system
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1 posted on 06/25/2007 3:23:02 PM PDT by blam
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To: blam
"Good to know!"


2 posted on 06/25/2007 3:25:55 PM PDT by quark
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To: blam

This and chocolate cream pie everyday will keep you in perfect health.


3 posted on 06/25/2007 3:26:31 PM PDT by Nachum
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To: blam

Neat!

I eat cold German Potato Salad - oil/vinegar. When growing up I was shocked to see that there was “American” Potato Salad! I still prefer the German style.


4 posted on 06/25/2007 3:26:47 PM PDT by nmh (Intelligent people recognize Intelligent Design (God) .)
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To: blam

..."then I should live to be 223"

5 posted on 06/25/2007 3:26:56 PM PDT by Doogle (USAF.68-73..8th TFW Ubon Thailand..never store a threat you should have eliminated)
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To: blam

Referring to my potato salad ... what doesn’t kill you makes you stronger


6 posted on 06/25/2007 3:27:00 PM PDT by clamper1797 (Fred Thompson / Duncan Hunter in 2008)
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To: quark

Oh my God...when I scrolled down and saw that photo and the expression on that guys face with the drink in his hand and the caption I thought I would fall out of my chair with laughter. I know that was a way too long sentence but I couldn’t help it. Thanks. That was too funny. :)


7 posted on 06/25/2007 3:27:46 PM PDT by cubreporter
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To: blam

my wife makes the best potato salad...


8 posted on 06/25/2007 3:28:56 PM PDT by brivette
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To: cubreporter

Ron “Tater Salad” White, country comic, thanks you.


9 posted on 06/25/2007 3:29:47 PM PDT by quark
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To: blam

ahh.

Now if only they could say Dominoes Pizza is good for your health. Then I would be in luck.


10 posted on 06/25/2007 3:30:09 PM PDT by se_ohio_young_conservative (I just became engaged...6/16/07..)
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To: quark

funny!


11 posted on 06/25/2007 3:30:10 PM PDT by brivette
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To: nmh

My mom was of German descent and she made both. Her American potato salad takes me back to our end of school year picnics. When it was time to eat we kids couldn’t wait to have her potato salad. Of course, her German potato salad was absolutely delicious and to die for. She just flat out made delicious potato salads both American and German. Actually, she was just a flat out good cook period. She cooked Italian food all the time too as my dad’s descendants were from Italy and she made the best spaghetti and meatballs I have ever tasted. :)


12 posted on 06/25/2007 3:30:11 PM PDT by cubreporter
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To: nmh

My man! I prefer German potato salad. No mayo to go bad if you leave it out all afternoon at the pot-luck.


13 posted on 06/25/2007 3:30:14 PM PDT by jiggyboy (Ten per cent of poll respondents are either lying or insane)
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To: cubreporter

Yep, Ron White, a/k/a “Tater Salad”


14 posted on 06/25/2007 3:30:27 PM PDT by hunter112 (Change will happen when very good men are forced to do very bad things.)
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To: nmh

You and me both. Hot German is my preference.


15 posted on 06/25/2007 3:30:33 PM PDT by doodad
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To: quark
Ron White was the first thing I thought of too.

I don’t eat potato salad. I can’t seem to successfully make it. I once had a dog that loved potatoes and I made potato salad that was so bad that the dog wouldn’t even eat it.

16 posted on 06/25/2007 3:30:34 PM PDT by CougarGA7 (I really don't know what I want to put here.)
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To: cubreporter
"They call me tater salad"...

CC&E

17 posted on 06/25/2007 3:31:28 PM PDT by Calm_Cool_and_Elected (So many books, so little time!)
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To: blam

I’ve heard chocolate prevents husband-beating....


18 posted on 06/25/2007 3:34:19 PM PDT by Hi Heels (Cleverly disguised as a responsible adult.)
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To: quark
"They call me Tator Salad!"

"You caught the tator!"


19 posted on 06/25/2007 3:34:22 PM PDT by Mat_Helm
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To: nmh

Not just German- French potato salad is with O&V as well. And you are right, with O&V is much better, although I do like both potato salad and coleslaw with mayo.
Add some grilled ribs and corn and you’re all set.


20 posted on 06/25/2007 3:34:43 PM PDT by visualops (artlife.us)
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