Right at the top I say it has nothing to do with stain
Posted by Catherine Cartwright Jones on October 11, 2002 at 12:00:00:
In reply to: Re: Isnt every batch individual for individual crops? Not as much as you'd think .... posted by shaon on October 11, 2002 at 03:30:50:No, the test has NOTHING to do with stain. Nothing. Never did.
It has everything to do with processing, harvesting, geography,
weather, marketing pressures, politics, circumventing FDA regs,
ethnic preferences, the changes from one season to the next. Henna is
so much more than stain ...
And, this test is empirical comparisons of henna ... not ..... "well I
really like this one". I'd rather be able to say "The handling
characteristics of a henna from a geographical area with x cm rainfall
per year and x temperature range, harvested x days into the wet
season, only with petioles, and without the addition of green dye, and
ground and sifted till no particle is more than x size is useful for X
purpose and for Y purpose, or Z purpose, another set of characteristics."
Then .... this database answers nagging questions like "did supplier X
send what he promised, or did he cheat"
And ... to me, the biggest question this database brings up is that
Green Dye. Is no one bothered that that green dye is an AZO dye, a
paraphenelyinediamine dye?????? This answers the question of why a
"natural" henna turned up at an FDA lab with a 1 1/2% level of PPD
dye! Is no one noticing there's an inconsistancy here of yelling
about PPD black dye being consumate evil and ignoring the green PPD
dye in the "natural" henna? Or does that not worry anyone?
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