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The European Directive on Traditional Herbal Medicinal Products (THMPD), formally the Directive 2004/24/EC amending, as regards traditional herbal medicinal products, Directive 2001/83/EC on the Community code relating to medicinal products for human use, was established by the European Parliament and Council on 31 March 2004 to provide a simplified regulatory approval process for traditional ...
Chinese herbal extracts are herbal decoctions that have been condensed into a granular or powdered form. Herbal extracts, similar to patent medicines, are easier and more convenient for patients to take. The industry extraction standard is 5:1, meaning for every five pounds of raw materials, one pound of herbal extract is derived.
In herbal medicine, alcoholic tinctures are made with various ethanol concentrations, which should be at least 20% alcohol for preservation purposes. [ 1 ] [ 2 ] Other solvents for producing tinctures include vinegar , glycerol (also called glycerine), diethyl ether and propylene glycol , not all of which can be used for internal consumption.
Guilinggao jelly can be prepared at home from commercially sold powdered concentrate (the "guilinggao powder"), [3] similarly to how Jello is made. When it is prepared, other herbal substances, such as ginseng, are added to the jelly to give it certain tastes and medicinal values.
Herbal wine and elixirs are alcoholic extracts of herbs, usually with an ethanol percentage of 12–38%. [27] Extracts include liquid extracts, dry extracts, and nebulisates. Liquid extracts are liquids with a lower ethanol percentage than tinctures. They are usually made by vacuum distilling tinctures.
A wide variety of alkaloid and non-alkaloid compounds have been identified in various species of ephedra.Of the six ephedrine-type ingredients found in ephedra (at concentrations of 0.02-3.4%), the most common are ephedrine and pseudoephedrine, [12] which are the sources of its stimulant and thermogenic effects. [3]
The founder of homeopathy, Samuel Hahnemann found that undiluted doses caused reactions, sometimes dangerous ones, so specified that preparations be given at the lowest possible dose. [4] To counter the reduced potency at high dilutions he formed the view that vigorous shaking by striking on an elastic surface – a process termed succussion ...
In pharmacokinetics, a maintenance dose is the maintenance rate [mg/h] of drug administration equal to the rate of elimination at steady state. This is not to be confused with dose regimen , which is a type of drug therapy in which the dose [mg] of a drug is given at a regular dosing interval on a repetitive basis.