2005/01/05, 01:13 PM
I'm not totally sure, but the explanation I've always gotten on stuff like this is "impact/non-impact carbs." In other words, even though undigestible carbs like fiber, sorbitol, maltitol, and glycerol count toward the total carb count of the food, they do not have much effect on blood sugar levels (non-impact carbs). Carbs that do impact blood sugar levels are the "impact carbs." As far as that pasta, though it has 42g of total carbs per serving, 37 grams are probably the non-impact carbs mentioned above. I'm not sure if this is what you're looking for, but that's my limited understanding of the way these foods are marketed.
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