On the subject of subtracting fiber grams from total carb grams .. Judi [IslandGirl] is correct. Dietary fiber is not absorbed, therefore it does not contribute caloric nor carb energy. So, most low-carbers choose to subtract fiber when planning their carb budget for the day.
However, some folks do include fiber in their daily carb totals. Which is fine .. that's the way Atkins Diet Revolution (1975) and his New Diet Revolution (1992) were planned. If you've calculated your CCL based on carb levels including fiber, then by all means continue to do that.
In 1995 however, the Drs. Eades of Protein Power introduced the idea of subtracting fiber grams, achieving what they call effective carb count (ECC). Since October 2000, Atkins has also approved subtracting fiber grams, calling the result Net Atkins carbs
This isn't exclusive to low-carb diets though. Nutritionists and consumer groups across North America have been calling for more accurate food labelling. This includes accurate energy value, ie .. calories. So, it's been proposed that fiber not be included when calculating the calories in a food. In other words, fiber will be subtracted from the total carb grams. Many food manufacturers have begun doing this voluntarily, as it's not yet law. This is true in both the USA and in Canada. I believe the UK and EU are already doing this.
From Atkins' official website, here's what he says about subtracting fiber:
Quote:
The Carbs That Count
.... Let's compare a cookie made of white flour and sugar with a couple of fiber-rich crackers. Both contain 10 grams of carbs, but there the similarity ends. Eat the cookie and you'll send all 10 grams of carbs coursing into your bloodstream. But when you chomp into the crackers (which have, say, 4 grams of fiber) only 6 of those 10 grams impact on your blood sugar. Basically, you can deduct the grams of fiber from the food's total carb count. The net number of grams are the carbs that count when you do Atkins. In the case of those crackers, you got a 4 gram free ride.
.... And determining which carbs count is simple: Check the total fiber grams listed on the food label and subtract that number from the total grams of carbohydrate listed. (read more ...)
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And the Eades of Protein Power:
Quote:
What do you mean when you say "effective carbohydrate content"?
It is the total carbohydrate content of the food minus the fiber portion. Carbohydrate calculations for food labeling includes the fiber. However, fiber isn’t absorbed and should not be counted as a carbohydrate for the purpose of weight loss. We have a table in the book that lists the effective carbohydrate content of foods.
http://eatprotein.com/answers1.html#1e
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Hope this is helpful
Doreen
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