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In Europe, apothecaries stocked herbal ingredients as traditional medicines. In the Latin names for plants created by Linnaeus , the word officinalis indicates that a plant was used in this way. For example, the marsh mallow has the classification Althaea officinalis , as it was traditionally used as an emollient to soothe ulcers . [ 2 ]
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 ).
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]
Used in herbal medicine, aromatherapy, and perfumery. [ 13 ] Ginger oil , used medicinally in many cultures, and has been studied extensively as a nausea treatment, where it was found more effective than placebo.
It is a popular misconception that herbal medicines are safe and side-effect free. [34] Consumption of herbs may cause adverse effects. [35] Furthermore, "adulteration, inappropriate formulation, or lack of understanding of plant and drug interactions have led to adverse reactions that are sometimes life threatening or lethal."
The surface of herbs is a catalyst for dew, [19] [20] which in arid climates and seasons is the main type of precipitation and is necessary for the survival of vegetation, [21] [22] i.e. in arid areas, herbaceous plants are a generator of precipitation and the basis of an ecosystem. Most of the water vapor that turns into dew comes from the air ...
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Herbal teas tend to be made from aromatic herbs, [11] may not contain tannins or caffeine, [6] and are not typically mixed with milk. [10] Common examples include chamomile tea, [10] or mint tea. [11] Herbal teas are often used as a source of relaxation or can be associated with rituals. [11]