Friday, January 11, 2008

Two hunger-fighting tools: Glycemic Index and Satiety Index


Maybe a better question is how would you choose? Diners and dieters familiar with the index could run through the numbers they know from that nifty scale and come up with a pretty good response for the question, but others may be more stymied.

There's actually another measurement tool might help us identify the best hunger-fighter foods of all. It's called the "Satiety Index," meaning that it's a gauge of how well a food keeps you feeling satisfied and keeps hunger sensations at bay. It's similar to the glycemic index, and it's a pretty nifty tool in its own right.


Reviewing the Glycemic Index




While those fluctuations can actually be dangerous for diabetics, for nearly any dieter, they are at least a misery, causing urgent, even painful hunger sensations to race off to the brain. So the glycemic index has also been used as a good measure of the "stick-to-your-ribs-ness" of foods. People who want to lose weight choose foods with the lowest glycemic index.

Meet the Satiety Index

Of course, for dieting in general, the limitation of the glycemic index is that it mostly includes carbohydrate foods, those most likely to have a significant effect on blood sugar. And that's not all most of us eat.

So a few years ago, Susanna Holt, PhD, of the University of Sydney wanted a system specifically to measure different foods' ability to produce satiety and fend off hunger; in other words, an even better indicator of their "stick-to-your-ribs-ness," and one that would include other sorts of foods.


In developing the satiety index, Holt's test subjects were college students, not famous for their wise diet choices. The students were invited for 'breakfast' which consisted of 240 calories worth of various specific foods, anything from jelly beans to bacon.




glucose (sugar) 100

white bread 70 100

croissant 67 47

whole wheat bread 68 154

potatoes(boiled or baked) 59 323

french fries 72 116

chocolate bar 49 70

lentils 30 133









This article provided by Bistro M.D.

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