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- Lignum_nephriticum abstract "Lignum nephriticum (Latin for "kidney wood") was a traditional diuretic derived from the wood of two tree species, the narra (Pterocarpus indicus) and the Mexican kidneywood (Eysenhardtia polystacha). The wood was capable of turning the color of water it comes in contact with into beautiful opalescent hues that changed depending on light and angle, the earliest known record of the phenomenon of fluorescence. Due to this strange property, it became well known in Europe from the 16th to the early 18th-century Europe. Cups made from lignum nephriticum were given as gifts to royalty. Water drunk from such cups, as well as imported powders and extracts from lignum nephriticum, were thought to have great medicinal properties.The lignum nephriticum derived from Mexican kidneywood was known as the coatli, coatl, or cuatl ("snake water") or tlapalezpatli ("blood-tincture medicine") in the Nahuatl language. It was traditionally used by the Aztec people as a diuretic prior to European contact. Similarly, the lignum nephriticum cups made from narra wood were part of the native industry of the Philippines before the arrival of the Spanish. The cups were manufactured in southern Luzon, particularly in the Naga region. The name of which was derived from the abundance of the narra trees, which was known as naga in the Bikol language (literally "serpent" or "dragon").".
- Lignum_nephriticum thumbnail Lignum_nephriticum_-_cup_of_Philippine_lignum_nephriticum,_Pterocarpus_indicus,_and_flask_containing_its_fluorescent_solution_Hi.jpg?width=300.
- Lignum_nephriticum wikiPageID "36973916".
- Lignum_nephriticum wikiPageRevisionID "605853975".
- Lignum_nephriticum hasPhotoCollection Lignum_nephriticum.
- Lignum_nephriticum sign Athanasius_Kircher.
- Lignum_nephriticum source "Ars Magna Lucis et Umbræ".
- Lignum_nephriticum text "The wood of the tree thus described, when made into a cup, tinges water when poured into it at first a deep blue, the color of a Bugloss flower ; and the longer the water stands in it the deeper the color it assumes. If then the water is poured into a glass globe and held against the light, no vestige of the blue color will be seen, but it will appear to observers like pure clean spring water, limpid and clear. But if you move this glass phial toward a more shady place the liquid will assume a most delightful greenness, and if to a still more shady place, a reddish color ; and thus it will change color in a marvelous way according to the nature of its background. In the dark, however, or in an opaque vase, it will once more assume its blue color.".
- Lignum_nephriticum subject Category:Traditional_medicine.
- Lignum_nephriticum subject Category:Wood.
- Lignum_nephriticum comment "Lignum nephriticum (Latin for "kidney wood") was a traditional diuretic derived from the wood of two tree species, the narra (Pterocarpus indicus) and the Mexican kidneywood (Eysenhardtia polystacha). The wood was capable of turning the color of water it comes in contact with into beautiful opalescent hues that changed depending on light and angle, the earliest known record of the phenomenon of fluorescence.".
- Lignum_nephriticum label "Lignum nephriticum".
- Lignum_nephriticum sameAs m.0m0p5bl.
- Lignum_nephriticum sameAs Q6546726.
- Lignum_nephriticum sameAs Q6546726.
- Lignum_nephriticum wasDerivedFrom Lignum_nephriticum?oldid=605853975.
- Lignum_nephriticum depiction Lignum_nephriticum_-_cup_of_Philippine_lignum_nephriticum,_Pterocarpus_indicus,_and_flask_containing_its_fluorescent_solution_Hi.jpg.
- Lignum_nephriticum isPrimaryTopicOf Lignum_nephriticum.