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A tincture is typically an extract of plant or animal material dissolved in ethanol (ethyl alcohol). Solvent concentrations of 25–60% are common, but may run as high as 90%. [ 1 ] In chemistry , a tincture is a solution that has ethanol as its solvent.
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Used as a herbal remedy: an aqueous extract of the plant has sedative and anxiolytic actions. [66] Eucalyptus globulus: Eucalyptus: Leaves were widely used in traditional medicine as a febrifuge. [67] Eucalyptus oil is commonly used in over-the-counter cough and cold medications, as well as for an analgesic. [68] Euonymus atropurpureus: Wahoo
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 ...
Researchers at the University of Adelaide found in 2014 that almost 20 percent of herbal remedies surveyed were not registered with the Therapeutic Goods Administration, despite this being a condition for their sale. [55] They also found that nearly 60 percent of products surveyed had ingredients that did not match what was on the label.
The Ebers Papyrus from ancient Egypt, c. 1550 BC, describes over 850 plant medicines. The Greek physician Dioscorides, who worked in the Roman army, documented over 1000 recipes for medicines using over 600 medicinal plants in De materia medica, c. 60 AD; this formed the basis of pharmacopoeias for some 1500 years.
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.
A 2016 meta-analysis concluded that grape seed extract, in a dose of under 800 milligrams per day over at least 8 weeks, might help to reduce systolic and diastolic blood pressure. [7] People with metabolic syndrome had a more significant outcome (average of a 8½ mmHg decrease in systolic blood pressure) than in healthy subjects. [7]