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Subject:
From:
"Harnly, James" <[log in to unmask]>
Reply To:
Harnly, James
Date:
Thu, 21 Dec 2017 11:21:11 +0000
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I agree with Mark.  Available carbohydrates is a term similar to total phenolics, total flavonoids, and antioxidant capacity.  These terms obscure important chemical differences, cannot be related to health outcomes, and appear to be primarily marketing tools.   These terms should not be in the literature or a database.

Jim Harnly

Research Leader, Food Composition and Methods Development Lab, USDA, Beltsville, MD

Editor-in-Chief, Journal of Food Composition and Analysis



From: Food Composition Discussion Group [mailto:[log in to unmask]] On Behalf Of Mark Wahlqvist

Sent: Wednesday, December 20, 2017 3:50 PM

To: [log in to unmask]

Subject: Re: Available Carbohydrates



The approach suggested of Available Carbohydrates will obscur the extensive differences in functionality of the various carbohydrates.It will add to the present confusion through oversimplification of food macronutrients ,playing into the hands of food mischief- makers. Much difference among carbohydrates sources resides in food structure, without which informed decision-making about macronutrients is not possible.Let's not pretend otherwise.

Regards

Professor Mark L Wahlqvist MD FRACP,FAFPHM,FAIFST

Past President IUNS



On 21 Dec. 2017 07:01, "Haytowitz, David" <[log in to unmask]<mailto:[log in to unmask]>> wrote:



Hello:



   As we redesign our Nutrient Databank System we will be adding “Available Carbohydrates” to the database.   We understand “Available carbohydrate” to be the sum of sugar and starch, However, we wonder which sugars are included in the value for sugar.  Is the value for sugars just the sum of the individual monosaccharides and disaccharides (sucrose, glucose, fructose, lactose, maltose, galactose) or do they include other sugars (Dextrins, inulin, oligosaccharides, organic acids and sugar alcohols)?



  Thanks,



David



David B. Haytowitz

Nutritionist

Nutrient Data Laboratory, USDA-ARS

10300 Baltimore Ave<https://maps.google.com/?q=10300+Baltimore+Ave&entry=gmail&source=g>.

B-005, Rm. 161, BARC-West

Beltsville, MD   20705

Ph. 301-504-0714<tel:(301)%20504-0714>

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