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Archaeological evidence indicates that the use of medicinal plants dates back to the Paleolithic age, approximately 60,000 years ago. Written evidence of herbal remedies dates back over 5,000 years to the Sumerians, who compiled lists of plants. Some ancient cultures wrote about plants and their medical uses in books called herbals.
[3] [47] The Food and Agriculture Organization estimated in 2002 that over 50,000 medicinal plants are used across the world. [48] The Royal Botanic Gardens, Kew more conservatively estimated in 2016 that 17,810 plant species have a medicinal use, out of some 30,000 plants for which a use of any kind is documented. [49]
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] Pharmacognosy is the study of plant sources of phytochemicals.
Human uses of plants include both practical uses, such as for food, clothing, and medicine, and symbolic uses, such as in art, mythology and literature. Materials derived from plants are collectively called plant products .
Some components of these toxins such as enzymes and inorganic salts are used in modern medicine. [21] For example, drugs such as Captopril and Lisinopril are derived from snake venom and inhibit the angiotensin-converting enzyme. [22] [21] Another example is Ziconotide, a drug from the cone snail, Conus magus, that is used to reduce pain. [21] [23]
The maguey was cultivated by the Aztecs for its numerous uses including construction, fibre, hedging and production of the sacred drink pulque. [1] This article contains a list of useful plants, meaning a plant that has been or can be co-opted by humans to fulfill a particular need. Rather than listing all plants on one page, this page instead ...
The first individual to study the emic perspective of the plant world was a German physician working in Sarajevo at the end of the 19th century: Leopold Glück. His published work on traditional medical uses of plants done by rural people in Bosnia (1896) has to be considered the first modern ethnobotanical work. [18]
Food webs are limited representations of real ecosystems as they necessarily aggregate many species into trophic species, which are functional groups of species that have the same predators and prey in a food web. Ecologists use these simplifications in quantitative (or mathematical representation) models of trophic or consumer-resource systems ...