Image Credit: Grongar / Flickr

Does adding baking soda to soaking beans reduce gas?

I recently heard that the reason humans produce gas after eating beans is because they contain raffinose which is a starch that is poorly digested due to a lack of the enzyme galactosidase. The MD claimed that adding baking soda to the soaking liquid reduced the raffinose. Have you heard anything about this?

Vegan Epicurean / Originally posted on Beans and Gas: Clearing the Air

Answer:

Yes indeed, research dating back more than 25 years (“Effect of Processing on Flatus-Producing Factors in Legumes“) found that adding baking soda to the soak water of dried beans before cooking (about 1/16 teaspoon per quart) significantly decreases the content of the raffinose family of sugars.

The study I profile here in Beans and Gas: Clearing the Air that concluded “People’s concerns about excessive flatulence from eating beans may be exaggerated” used canned beans, though, which I find to be much more convenient. If you have the time, though, it’s hard to imagine a better nutritional bargain than dried beans, peas, and lentils.

For more on the most nutrition you can squeeze out of a dollar see:

Image Credit: Grongar / Flickr

 

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Michael Greger M.D., FACLM

Michael Greger, M.D. FACLM, is a physician, New York Times bestselling author, and internationally recognized professional speaker on a number of important public health issues. Dr. Greger has lectured at the Conference on World Affairs, the National Institutes of Health, and the International Bird Flu Summit, testified before Congress, appeared on The Dr. Oz Show and The Colbert Report, and was invited as an expert witness in defense of Oprah Winfrey at the infamous "meat defamation" trial.


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