In the past I would have told you to ask in alt.folklore.herbs.
Unfortunately it has been obliterated by everything and anything but a
discussion of herbs. This group is still good for asking about
typical dried flowers and fruit added to tea. We do have people who
are familiar with Japanese teas so maybe they came across this herb.

Jim

On Apr 8, 4:27 am, Julien ÉLIE >
wrote:
> Hi,
>
> A Japanese "tea" named Amacha (or also Buddha Tea) is made
> of Hortensia leaves. It has a very sweet taste of liquorice.
>
> I see that it naturally contains dulcin.
>
> However, dulcin is a sugar substitute that is said to be
> dangerous (possible carcinogenic properties, and dependency)
> Is it the same for the natural dulcin in Amacha?
>
> Have you ever heard something about the dangerosity of Amacha and
> its consumption?
>
> Thanks beforehand,
>
> --
> Julien LIE
>
> Give laugh to all but smile to one,
> Give cheeks to all but lips to one,
> Give love to all but Heart to one,
> Let everybody love you
> But you love one.