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1 June 2008
Making the Most of GI News
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2 comments:
I am new to the GI method. Can I assume that if I cut a serving in half that a high GI would be low? or is that not the case. The reason I ask is I found a GI for Post Grapenuts in the "Shoppers Guide to GI Values 2008" that indicates a 1 cup serving has a GI of 71. This product is very filling and I can never consume more than a 1/2 cup before becoming full.
Marique, the GI doesn't change whether you are eating 1 cup or a half cup because it is a measure of the carohydrate quality and of course that doesn't change as the Grapenuts stay the same.
But the overall glycemic impact of the meal will be less because you are only eating half the number of carbs (eg: there's 48 grams of carbs in 1 cup of Grapenuts and 24 grams of carbs in 1/2 a cup).
If you enjoy Post Grapenuts but want to reduce the overall glycemic impact of the meal (which is a combination of both the carbohydrate quality - its GI - and the amount of carbohydrate you are eating), why not cut back to 1/3 or 1/4 of a cup of Grapenuts and top them with some fruit like chopped apple, pear or berries and a dollop of low fat yoghurt?
Or choose a low GI breakfast cereal.
The best book to look at to get a better understanding of the GI and low GI eating is probably Low GI Eating Made Easy by Prof. Jennie Brand-Miller.
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