Steve Pope wrote:
>
> I bought a large bunch of sorrel the other day, and put it
> into a vegetable broth to be served with soba. It tastes great --
> wonderful green sour/bitter flavor -- but I wonder how lightly
> I should tread. The stuff is mildly toxic isn't it? What's
> the recommended dosage??
>
> Steve

Here's Mrs Grieves's take on sorrel:
http://www.botanical.com/botanical/mgmh/s/sorcom64.html

Don't think it's toxic in the quantities normally consumed. Like many
plants it will absorb heavy metals from the soil, which could make it
toxic.