Bohemia 2013

FrauHolle
01.08.2021 - 03:40 AM
15
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Get the tannins out of the latrine, Tine! (ancient Greek proverb)

Plant tannins (so-called tannins) have been used for centuries not only in perfumes, but also in medicine, a variety of healing effects have been proven.
Tannins are further, by perfumers and physicians quasi purely accidentally discovered, as a taste component of wine and tea known.

Briefly on the chem. Formula, it is like this, tannins combine with proteins on contact, which changes their properties:
The water bound in the proteins is displaced by the tannins. Who doesn't know this:
Some tannins form very stable colour complexes with metal salts, mainly iron salts, which used to be used to make writing ink. The fact that ink did not succeed in the market in the long term has something to do with digitization, but also the production discontinuation of the ink killer. (complex topic)

What is still important to know: the chemical detection of tannins succeeds with the vanillin HCl reaction (red coloration) and vanillin was invented in my home country, I'm just saying.

What do we smell here now?
Black tea/ East Frisian tea, brings tannins with it, in abundance, and is complemented by reds, Bordeaux-typical aromas like cassis and black cherry, seasoned with allspice (pepper) and thyme. Delicious!
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