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Q: Glycemic index value of corn syrup ( Answered 3 out of 5 stars,   2 Comments )
Subject: Glycemic index value of corn syrup
Category: Health > Fitness and Nutrition
Asked by: nelsonmark-ga
List Price: $20.00
Posted: 27 Feb 2006 12:30 PST
Expires: 29 Mar 2006 12:30 PST
Question ID: 701571
What is the glycemic index value for corn syrup?
Subject: Re: Glycemic index value of corn syrup
Answered By: pinkfreud-ga on 27 Feb 2006 13:08 PST
Rated:3 out of 5 stars
Regular corn syrup is virtually pure glucose. It has a glycemic index
of 100 (on the glucose-based index). High fructose corn syrup, which
is often used as an ingredient in processed foods, has a glycemic
index of 56 to 62, depending upon the percentage of fructose.

Sources: Glycemic Index Lists

Elite Fitness: Glycemic Index Lists

UCLA Student Nutrition Action Committee: Glycemic Index

"Regular corn syrup has a GI of 100, and high fructose corn syrup's GI is 56. 

Source: Foster-Powell K, Holt SHA, Brand-Miller JC. International
table of glycemic index and glycemic load values: 2002. Am J Clin Nutr

Hershey's SmartZone FAQ

My Google search strategy:

Google Web Search: "corn syrup" "glycemic index"

I hope this is precisely what you need to know. If anything is unclear
or incomplete, please request clarification; I'll gladly offer further
assistance before you rate my answer.

Best regards,

Request for Answer Clarification by nelsonmark-ga on 28 Feb 2006 17:27 PST
Thanks. I realize that I posed a somewhat blunt question. I am happy
with your answer. The references you provided were useful. I actually
don't need clarification. Your answer is accurate except in that
'regular' corn syrup is actually a combination of glucose, fructose,
maltotriose (plus misc oligosaccharides). In fact, the content of
glucose in the syrup in question is 6-11%. We distribute several types
of corn syrup but we just didn't have the GI info on them. I had posed
this to the manufacturer as well but they could only hypothesize.

Thanks again. 

PS: This was my first use of Google's answer service. I am favorably impressed.

Clarification of Answer by pinkfreud-ga on 28 Feb 2006 17:52 PST
Since you did not say in your question that you required information
about corn syrup with a known glucose content, I had no way of knowing
that more precise data would be required.
nelsonmark-ga rated this answer:3 out of 5 stars
Good answer with several references cited. Good job.

Subject: Re: Glycemic index value of corn syrup
From: pinkfreud-ga on 28 Feb 2006 17:49 PST
I am sorry that you felt it was necessary to assign such a low rating
without giving me a chance to respond to your request for
clarification. Nowhere in your question did you mention the exact
glucose content of the corn syrup that you had in mind.

Subject: Re: Glycemic index value of corn syrup
From: nelsonmark-ga on 28 Feb 2006 18:24 PST
Is 3 stars a low rating? I didn't mean it to be. I think you did a
good job. I'm the one who should get a low rating for posing the
question poorly. In fact, based on your answer, I would work with you
again. Can I edit the rating? Many apologies.

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