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Update: UV Treated Mushrooms for Vitamin D

This abstract shows that exposing one serving (84 g) of post-harvest, white button mushrooms to UVB rays for 5 minutes resulted in their having 86.9 µg (3,476 IU) vitamin D2, which is well above the recommended daily intake.

So if you see mushrooms in the store labeled as having 100% of the Daily Value or RDA for vitamin D, it’s probably true.

This entry was posted on Friday, April 9th, 2010 at 9:38 am and is filed under Vitamin D. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

3 Responses to “Update: UV Treated Mushrooms for Vitamin D”

  1. Arild Says:
    April 18th, 2010 at 4:55 am

    Do you know it that vitamin D level will be the same after the mushrooms have been roasted or cooked?

  2. Jack Norris RD Says:
    April 18th, 2010 at 5:30 pm

    According to this chart at BeyondVeg.com, vitamin D is not damaged by cooking.

  3. Jack Norris RD Says:
    September 14th, 2010 at 4:10 pm

    http://montereymushrooms.blogspot.com/

    After only 15 to 20 seconds of exposure, our mushrooms contain over 400 IU’s of vitamin D per 3 ounce serving.

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