Thanks to those of you who participated in last week’s show on Probiotics & Fermented Foods, it was a great discussion. You can find the show notes below.

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May 1, 2011 | What is the scientific evidence behind eating fermented foods or pre- and probiotics, and what are the best sources?

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Show notes:

In an attempt to answer Aisha’s question about whether sauerkraut (or kimchi) goes bad I’ve done a bit of reading and haven’t found much. Most evidence suggests that unopened and submerged in brine it is good almost indefinitely. However, once it is open I haven’t seen much evidence that it goes “bad,” but it might not be as pleasant.

Because it is fermented it is unlikely to experience much rot, so I would judge by color, smell and your own personal comfort level. Obviously anything with a physical growth or mold should be tossed.

If anyone else has any insight please share.

References:

• Potential benefits of probiotics–main findings of an in-depth review
• Probiotics and gastrointestinal diseases
• Food-based strategies to modulate the composition of the intestinal microbiota and their associated health effects.
• Prebiotics and bone health