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Old 06-23-2006, 11:22 PM   #1
Tony Ferous
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A good article in the economist a few weeks back. More reasons to eat seaonal, local produce.

Resveratrol is produced when a vine is under stress—for example, due to dehydration or over-exposure to sunshine. According to Dr Sinclair's theory, which he calls xenohormesis, animals rely on such botanical stress signals to give them extra information about their own environments, in the same way that the alarm calls of one species warn others of danger. If bad things are happening to plants, he surmises, that is a reason for pre-emptive animal action. Animal bodies thus react to molecules such as resveratrol by activating their own defence mechanisms. These, in turn, protect their cells from stress-related damage.

http://www.economist.com/science/dis...ory_id=6823498
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Old 06-24-2006, 08:52 AM   #2
Greg Battaglia
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Incredibly interesting!
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Old 06-24-2006, 09:55 AM   #3
Chris Forbis
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Great article.

The study was called CALERIE (Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy). They should have called the study CALORIE, by changing Effects to Outcome.

I should be in charge of naming studies.
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Old 06-24-2006, 10:33 AM   #4
Charlie Jackson
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More reasons to eat seaonal, local produce.


"resveratrol increased the maximum lifespan of a small fish"

The articles says resveratrol is a good thing. So are you assuming that transporting vegetables increases resveratrol levels? Don't really see why local would have a higher or lower level of resveratrol. Seasonal might have a lower level since the plant is under less stress. So sounds like it is a reason to eat vegetables out of season and local has no relevance.
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Old 06-25-2006, 05:28 AM   #5
Neal Winkler
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Anyone know of a website where you can find what produce is seasonal in your area?
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Old 06-25-2006, 07:01 AM   #6
Chris Forbis
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My local farmers' market updates what is in season (that they have) to the Local Harvest website.

http://www.localharvest.org/farmers-markets/M3615
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Old 06-25-2006, 07:11 PM   #7
Neal Winkler
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No dice for my area farmers markets...
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Old 06-26-2006, 04:03 AM   #8
Tony Ferous
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I wasn't suggesting that transport would increase resveratrol levels, but that locally grown, seasonal produce might be useful in that "animals rely on such botanical stress signals to give them extra information about their own environments".


Seasonal might have a lower level since the plant is under less stress.

All produce is 'seasonal' somewhere in the world i guess, unless been frozed, stored or grown in greenhouses. We therefore need to search out seasonal, stressed-out plants!
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