משתמשת:Goldmoon/טינקטורה

ברפואה, טינקטורה היא תמצית אלכוהולית (לדוגמא, של עלים או חומר צמחי אחר) או תמיסה של חומר בלתי נדיף אחר (כגון יוד). כדי להיחשב לטינקטורה, התמצית האלכוהולית צריכה להכיל שיעור אתנול של לפחות 40-60%

In medicine, a tincture is an alcoholic extract (e.g. of leaves or other plant material) or solution of a non-volatile substance; (e.g. of iodine, mercurochrome). To qualify as a tincture, the alcoholic extract is to have an ethanol percentage of at least 40-60% (80-120 proof) (sometimes a 90% (180 proof) pure liquid is even achieved).[1] In herbal medicine, alcoholic tinctures are often made with various concentrations of ethanol, 25% being the most common. Other concentrations include 45% and 90%. Herbal tinctures do not always use ethanol as a solvent, though this is the most frequent. Other solvents include vinegar, glycerol, ether and propylene glycol, not all of which are used for internal consumption. However, where a raw solvent's pH factor is a sole consideration, the advantage of ethanol is that being close to neutral pH, it is a good compromise as a passive used solvent of both acidic and alkaline constituents where a tincturing methodology is concerned. Glycerine, when utilized in a tincture methodology's passive (i.e. 'non-critical') manner, is a poorer solvent generally, and vinegar, being acidic, is a better solvent of alkaloids but a poorer solvent of acids, which would result in the alkaloids being more present in the preparation than otherwise. However, for people who do not imbibe alcohol for medical, religious or moral reasons, non-alcoholic (glycerite) tinctures are an alternative.

Alcohol tinctures cannot be subjected to high temperatures and are thus considered a 'non-critical' passive methodology regarding this factor. This is one of the primary reasons why glycerol, due to early Eclectic medicine studies (now for the most part outdated concerning the subject), is typically seen as inferior to alcohol, when utilized in a non-critical tincture methodology fashion (which is how Eclectic medicine researchers utilized glycerol in their tincture making studies), since it does not exhibit the extractive potential of alcohol when used in a low temperature non-critical tincturing setting. Glycerol used in a non-critical tincturing methodology, as is typically done in the herbal products industry at large for instance, will result in a weak solution, whereas if glycerol is subjected to a contemporary innovative serialized methodology currently in the industry, the extractive potential of glycerol is quite astounding. Therefore, glycerite products made using such innovative serialized extraction technologies are showing great promise, even rivaling alcohol tinctures on numerous points.

Solutions of volatile substances were called spirits, although that name was also given to several other materials obtained by distillation, even when they did not include alcohol. In chemistry, a tincture is a solution that has alcohol as the solvent.