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It has been used in traditional Chinese medicine for more than 2,000 years. [58] [59] Native Americans and Mormon pioneers drank a tea brewed from other Ephedra species, called "Mormon tea" and "Indian tea". It contains the alkaloids ephedrine and pseudoephedrine, which are used as breathing aids (bronchodilators and decongestants). [60 ...
In herbal medicine, a herbal tonic (also tonic herbs, tonic herbalism) is used to help restore, tone and invigorate systems in the body [1] or to promote general health and well-being. [2] A herbal tonic is a solution or other preparation made from a specially selected assortment of plants known as herbs . [ 2 ]
Herbal teas, or tisanes, are the resultant liquid of extracting herbs into water, though they are made in a few different ways. Infusions are hot water extracts of herbs, such as chamomile or mint, through steeping. Decoctions are the long-term boiled extracts, usually of harder substances like roots or bark.
The use of plants for medicinal purposes, and their descriptions, dates back two to three thousand years. [10] [11] The word herbal is derived from the mediaeval Latin liber herbalis ("book of herbs"): [2] it is sometimes used in contrast to the word florilegium, which is a treatise on flowers [12] with emphasis on their beauty and enjoyment rather than the herbal emphasis on their utility. [13]
Most of the water vapor that turns into dew comes from the air, not the soil or clouds. [23] [24] The taller the herb (surface area is the main factor though), the more dew it produces, [25] [26] so a short cut of the herbs necessitates watering.
Plants, including many now used as culinary herbs and spices, have been used as medicines, not necessarily effectively, from prehistoric times.Spices have been used partly to counter food spoilage bacteria, especially in hot climates, [6] [7] and especially in meat dishes that spoil more readily. [8]
Often herb tea, or the plain term tea, is used as a reference to all sorts of herbal teas. Many herbs used in teas/tisanes are also used in herbal medicine and in folk medicine . These "teas" do not usually contain any true tea ( Camellia sinensis ), but some herbal blends do contain true tea (e.g., the Indian classic masala chai ).
Adverse reactions to herbs are described in traditional ayurvedic texts, but practitioners are reluctant to admit that herbs could be toxic and that reliable information on herbal toxicity is not readily available. There is a communication gap between practitioners of medicine and ayurveda. [123]