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James92
06-28-2011, 12:17 PM
Hey guys... I have treid finding the answer to this question but having trouble

Does anybody know what the ratio of glucose:fructose:sucrose in a banana is?

Would appreciate a response!

braggable
06-28-2011, 12:19 PM
The real question is, why would it matter?

BTW: Sucrose is just a glucose and a fructose molecule bound together.

http://www.troy.k12.ny.us/academics/bio/images/sucrose.gif

WonderPug
06-28-2011, 12:20 PM
^ Stop assuming the worse. Perhaps he's just taking an exam and he's trying to cheat. ;)

An average size banana (118 grams) contains:*

Total CHO: ~27 grams
From glucose: ~5.9 grams
From fructose: ~5.7 grams
From sucrose: ~2.8 grams


---------
* Based on mean observations.

James92
06-28-2011, 12:23 PM
^ Stop assuming the worse. Perhaps he's just taking an exam and he's trying to cheat. ;)

An average size banana (118 grams) contains:*

Total CHO: ~27 grams
From glucose: ~5.9 grams
From fructose: ~5.7 grams
From sucrose: ~2.8 grams


---------
* Based on mean observations.

Thank you!


The real question is, why would it matter?

BTW: Sucrose is just a glucose and a fructose molecule bound together.

http://www.troy.k12.ny.us/academics/bio/images/sucrose.gif

Fructose has little to no affect on leptin, whereas glucose does.

WonderPug
06-28-2011, 12:24 PM
Fructose has little to no affect on leptin, whereas glucose does.
What?

braggable
06-28-2011, 12:25 PM
What?

See what happens when we assume? ;)

WonderPug
06-28-2011, 12:28 PM
^ I'm just speechless this time.

I was intending to explain, but my fingers just refused.

snorkelman
06-28-2011, 12:32 PM
leptin has been resurrected from the thread of a couple days back

Geoloop
06-28-2011, 12:36 PM
from what i checked i think is :

Carbohydrates
Total Carbohydrate 22.8g in 100gr
Dietary Fiber 2.6g
Starch 5.4g
Sugars 12.2g
Sucrose 2390mg
Glucose 4979mg
Fructose 4850mg
Lactose 0.0mg
Maltose 10.0mg
Galactose 0.0mg


Read More http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1846/2#ixzz1QbLAyAr5

WonderPug
06-28-2011, 12:37 PM
^ If you read post #3, you could have saved yourself the trouble. And your numbers are wrong.

braggable
06-28-2011, 12:43 PM
^ I'm just speechless this time.

I was intending to explain, but my fingers just refused.

I know the feeling. That is why I often use ridiculous gifs to express my rage and confusion.

James92
06-29-2011, 02:17 AM
What?

Sorry if I offended you. but do you care to mention why?

I read this from an article posted by Layne Norton.

http://www.simplyshredded.com/layne-norton-the-most-effective-cutting-diet.html


Consume as little fructose as possible as fructose does not have an impact on leptin levels.

Realized he didn't mention glucose... Not sure where that came from :/

WonderPug
06-29-2011, 02:28 AM
^ The "article" you cite doesn't seem up-to-date and it certainly contains statements that are contrary to current research finding.

James92
06-29-2011, 02:50 AM
^ The "article" you cite doesn't seem up-to-date and it certainly contains statements that are contrary to current research finding.

Fair enough.

You and "Braggable" don't have to act like I'm an idiot though. I woudn't say my question or assumption is half as bad as many that pop up on the nutrition section.

snorkelman
06-29-2011, 04:18 AM
OP your post referencing leptin just happened to come on the heels of another post that was about leptin.

Regarding the amount of fructose in bananas, keep in mind that the proportions of the three sugars in bananas varies with ripeness of the fruit.