Overview

A tincture typically n xtr t f plant or n m l material dissolved n th n l ( th l l h l). S lv nt n ntr t n f 25-60% r common, but may run as high 90%. In h m tr , a t n tur a solution th t h th n l its solvent. In h rb l medicine, l h l t n tur r m d with v r u th n l n ntr t n , which h uld b t l t 20% l h l for r rv t n ur . Oth r lv nt for r du ng t n tur n lud v n g r, gl r l ( l ll d glycerine), d th l th r and propylene gl l, not all of which can b u d f r nt rn l n um t n. Ethanol has th dv nt g f being an excellent lv nt f r b th acidic nd basic ( lk l n ) n t tu nt . A t n tur using gl r n is called a gl r t . Gl r n is g n r ll a r r lv nt th n th n l. V n g r, b ng acidic, is a b tt r lv nt f r bt n ng lk l d but a poorer lv nt f r d m n nt . F r nd v du l wh choose n t t ng t l h l, non-alcoholic xtr t ff r an lt rn t v f r r r t n meant t be taken nt rn ll . Low volatility substances u h iodine and m r ur hr m n also b turned nt t n tur . T n tur r often made f a combination f th l alcohol nd w t r lv nt , h d lv ng n t tu nt the th r un bl to, r w k r at. V r ng th r proportions n l produce d ff r nt levels of n t tu nt n the f n l xtr t n. A an nt m r b l, alcohol also t as a preservative. A d wn d f using l h l a solvent is th t th n l h a t nd n t d n tur m rg n m und , r du ng r d tr ng th r ff t v n . Th tendency n l have undesirable ff t wh n extracting b t n l n t tu nt , u h l h r d . C rt n th r n t tu nt , mm n m ng them proteins, can b m rr v r bl denatured, or pickled by th l h l. Al h l n also have damaging ff t n m r m t m und . Eth r nd propylene glycol based tinctures r not u t bl f r internal consumption, lth ugh th r u d n r r t n for xt rn l use, u h as r n l care r m and ntm nt . T n tur have b n r und f r m ll nn nd are a k m n nt f traditional h rb l m d n . The U.S. F d nd Drug Adm n tr t n (FDA) considers most t n tur - w th some x t n - supplements. So, n m n cases, th r h lth ff t r unclear nd n t w ll- tud d. An h rb l t n tur a n ntr t d l u d f rm f n or m r h rb . To m k a t n tur , a r n mu t soak rt f n herb for v r l w k n l h l r v n g r. A f herbal t or a dr rful f t n tur can b th t l t f r a l f l ng ur u t of h rb l m. M n of u b g n ur studies m k ng th m l and ff t v r r t n , t basic n t sometimes become m l t d wh n trying t decipher L t n b n m l n m n l tur , formulations, physiological t n , and h t r l r r h. The most mm n m x-u arise fr m m u d terminology, nd n t rm th t t nd t be applied to a v r t of preparations is tincture. L t n b n m l nomenclature, f rmul t n , physiological actions, and h t r l r r h. The most mm n mix-ups arise from m u

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