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by Swannie
1446 days ago
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There's your answer: mashed potato. Not only did you boil the potato, but you pre-chewed it too. Mashed potato is about as close as you can get to refined potato (potato flour). What you've created is easily digestable amylopectin - pre-chewed, already gelatinized and suspension with water. The amylase in your saliva can mix extremely well with mashed potatoes, and within minutes that amylopectin will be available as glucose. Maybe you mix in a little fat with butter or oil, but probably not much. Vs. more or less any other potato cooking method. Even though the starch will have gelatinized with the water present in the potatoe, the potato's structure is more intact than boiling & mashing. Even after chewing the starch is not as well mixed with water, and this will take longer to digest. We don't eat much mash in our house. |
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But really we are talking about two different things: GI and satiety. Yes potatoes are high GI. It would follow that they will spike your blood sugar. No claims have been made to the contrary.
Satiety is about how full you will feel per calorie eaten of that food. Multiple factors contribute to satiety. Specifically boiled potatoes score super high on the satiety index.
Not mashed potatoes. Not french fries, potatoes gratin, etc.
The topic is only tangentially related to GI.
Don't mean to be cranky here but I was hoping people would talk about the article, the underlying concept (satiety), and the research, instead of going off on lengthy discussions about quasi-related personal anecdotes.