1

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What of banana fiber?

Answered on August 19, 2014
Created March 16, 2012 at 12:52 AM

Wikipedia claims that bananas have the same type of fiber (resistant starch) as grains. A few Paleo books have made the claim that the type of fiber in grains is bad for the gut, scratching and tearing it along the way. Does banana fiber do the same?

A2c38be4c54c91a15071f82f14cac0b3

(12682)

on March 16, 2012
at 02:10 AM

Nice catch, thanks Nance.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 16, 2012
at 01:52 AM

My gut says bananas are VERY different from grain.

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 16, 2012
at 01:52 AM

Do you mean RS2 "appears quite beneficial" above?

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2 Answers

9
A2c38be4c54c91a15071f82f14cac0b3

(12682)

on March 16, 2012
at 01:20 AM

When discussing resistant starch, there are various forms. Bananas have the form RS2, which has been shown to improve insulin sensitivity in several studies. Whole grains usually contain the resistant starch RS1 or, if well cooked/prepared, RS3. RS1 is mostly indigestible and RS3 appears hard to digest. RS2 appears quite beneficial, and the others (especially RS1) don't.

Also, I think people typically say the problem with grain fiber is the insoluble fiber. Chris Kresser recently covered this and many issues fiber related: http://chriskresser.com/myths-and-truths-about-fiber

96bf58d8c6bd492dc5b8ae46203fe247

(37227)

on March 16, 2012
at 01:52 AM

Do you mean RS2 "appears quite beneficial" above?

A2c38be4c54c91a15071f82f14cac0b3

(12682)

on March 16, 2012
at 02:10 AM

Nice catch, thanks Nance.

1
B4e1fa6a8cf43d2b69d97a99dfca262c

(10255)

on March 16, 2012
at 09:28 PM

i can't find the source, but i read somewhere that the first study that linked resistant starch consumption with the lowering of cholesterol was done at an african university and the subjects ate cooked green bananas. they are much higher in starch than yellow ones as the starch changes to sugar as the banana ripens; right?

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