Paleo Diet and Paleolithic Diet Questions & Answers

Question

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I've been experimenting with the two, and the amount of satiety that I get from an identical meal with potatoes is noticeably less than if I ate sweet potatoes instead. Seems like the potato starch is converted completely into glucose and thus causes a greater insulin response, but the fructose in the sweet potatoes should interfere with satiety as well. I keep testing it with the same result; anyone else experience this?

For what it's worth, I'm eating about 2 golfball-sized purple potatoes per day with a negligible amount of carbohydrates from other sources.

Edit: Interesting answers here. You know, it's funny because when I eat sweet potatoes I eat less food in general but I don't lose fat, but with potatoes I eat more food, more carbs but I lose fat. This must be the result of the higher fructose content in the sweet potatoes.

edited Feb 8 2011 at 0:46

asked Jan 17 2011 at 18:20

Travis Culp♦
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	Hmm I'm only eating them post workout during a feast, I may have to experiment here. – Stephen-Aegis Jan 17 2011 at 21:15
	could this be a fiber to starch ratio? – Stephen-Aegis Feb 7 2011 at 16:23

L.S. · Answer 1 · 2011-01-17 20:06:16Z UTC

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Great question! My go-to expert in all things spud is Dr Kathleen DesMaisons @ radiantrecovery.com She has written about potatoes, satiety, and sweet potatoes causing a more gradual insulin rise which makes them more appropriate for those with diabetes, IF I'm remembering correctly.

answered Jan 17 2011 at 20:06

L.S.
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Interesting read from her. Raising serotonin using potatoes or sweet potatoes: radiantrecovery.com/potato_qna.htm – sean Jan 22 2011 at 10:57

TigerJ · Answer 2 · 2011-02-07 15:42:49Z UTC

It could be calories. Data is from nutritiondata.com and one website that had info on the purples is caloriegallery.com. But I remember from looking this up previously that purples definitely have fewer calories than russets.

Sweet potato (what you say you are eating) 100 grams = 90 calories

Yam (what you might actually be eating) 100 grams = 116 cals

Purple potato 100 grams = 82 cals

Russet potato (just to compare) 100 grams = 97 cals

2 'golf-ball' sized potatoes is barely anything and may even be less than these amounts listed.

Dan Quinn · Answer 3 · 2011-02-07 14:45:22Z UTC

"I've been experimenting with the two, and the amount of satiety that I get from an identical meal with potatoes is noticeably less than if I ate sweet potatoes instead. Seems like the potato starch is converted completely into glucose and thus causes a greater insulin response, but the fructose in the sweet potatoes should interfere with satiety as well. I keep testing it with the same result; anyone else experience this?"

I'm much fuller after eating a sweet potato and for longer than a potato. Not even close.

David Leitner · Answer 4 · 2011-02-08 01:39:46Z UTC

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I have been recently adding in white potatoes (which my wife favors) after eating sweet potatoes as my main source of carbs for six months or so. I confess I have noticed zero difference.

answered Feb 8 2011 at 1:39

David Leitner
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More Hunger with Potatoes vs. Sweet Potatoes?

4 Answers