[Herbalist] Help-- toxicity data?

[Jenne Heise]

Bless you, Agnes. I didn't have a chance to go to the public library for
the Herbal PDR for these.

>
> > I'm working on an egg-dyeing project, and am suddenly looking at the
> > toxicity of period
> > dyestuffs that might have been used on eggs-- and can can't find this listed
> > in my books. The
> > dyestuffs I'm interested in are:
> > - madder
>
> First edition PDR for Herbal Medicines says
> "madder root contains lucidin. Lucidin is positive in various bacterial strains
> using the Ames test.  The substance induces concentration-dependent gene
> mutations and DNA strand cleavage.  Therefore, there exists a strong indication
> that lucidin is mutagenic and carcinogenic"
>
> >
> > - bedstraw (lady's or dyer's)
>
> Lady's bedstraw in PDR - medicinal herb is the aboveground plant.  "Health risks
> or side effects from proper administration of designated theraputic dosages are
> not recorded."
>
> >
> > - alkanet (I believe this is also a food colorant, so I _think_ it may be
> > safe).
>
> Alkanna tinctoria  common name alkanna, but other common names give are ancusa,
> dyer's bugloss, Spanish bugloss, alkanet root
>
> Medicinal part:  root of plant (dried roots and rhizomes)
> Precautions:  Hepatotoxicity and carginogenicity are expected due to the
> pyrrolizidine alkaloids with1,2-unsaturated necic parent substances in its
> makeup. Alkanna should not be taken internally for this reason.
>
> > - brazilwood
>
> not in the PDR, don't know how to check that one
>
> Agnes
>
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--
Jadwiga Zajaczkowa, mka Jennifer Heise	      jenne at mail.browser.net
disclaimer: i speak for no-one and no-one speaks for me.
"I've been out for a while, But I'll be back in a bit, I am just walking
through the smoke, Finding out if this is it..." Suzanne Vega