2003
DOI: 10.1590/s0100-40422003000600004
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Extração de esteróides em frutos de Ottonia martiana Miq., Piperaceae, com gás liqüefeito

Abstract: Recebido em 4/9/02; aceito em 9/4/03 EXTRACTION OF STEROLS IN FRUITS OF Ottonia martiana Miq., PIPERACEAE, WITH LIQUEFIED GAS. A new extraction method for sterols was tested in fruits of Ottonia martiana Miq., a shrub belonging to the family Piperaceae, popularly known as "anestésica" due to the use of its roots and aerial parts, in alcoholic preparations, in treatment of odontological problems. For this purpose, a portable extraction equipment was developed, to operate with liquified gases, which showed to be… Show more

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Cited by 7 publications
(4 citation statements)
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“…In the South and Southeast regions of Brazil, it is popularly known as "jaborandi," "jaguarandi" and "taburutá" (Guimarães et al 1978), and by the natives of the coast of the state of Paraná, O. martiana is known as "anestésia" (anesthesia). The roots and aerial parts of O. martiana in ethanolic preparations are largely employed in the treatment of dental problems, due to its pain relieving action in the oral cavity (Cunico et al 2003).…”
Section: Introductionmentioning
confidence: 99%
“…In the South and Southeast regions of Brazil, it is popularly known as "jaborandi," "jaguarandi" and "taburutá" (Guimarães et al 1978), and by the natives of the coast of the state of Paraná, O. martiana is known as "anestésia" (anesthesia). The roots and aerial parts of O. martiana in ethanolic preparations are largely employed in the treatment of dental problems, due to its pain relieving action in the oral cavity (Cunico et al 2003).…”
Section: Introductionmentioning
confidence: 99%
“…2 Among Piperaceae species of medicinal interest, there is Ottonia martiana Miq, a characteristic shrub of the Brazilian Rain Forest 3,4 and known as "anestésia" for the natives of the Paraná coast due to its anesthetically action on the oral mucous. 5,6 Phytochemical investigations with roots and aerial parts of "anestésia" revealed some isobutylamides (piperlonguminine, isopiperlonguminine and piperovatine), compounds of notable biological properties. [7][8][9] No chemical data on essential oil of O. martiana has been found, but two papers discussing on essential oils constitution of other species from genus Ottonia have been previously published.…”
Section: Introductionmentioning
confidence: 99%
“…Em outras regiões do Brasil (sul, sudeste e norte) é conhecida como "jaborandi, taburutá e jaguarandi" 4 . Estudos fitoquímicos realizados com extratos desta espécie vegetal revelaram a presença das amidas piperovatina, piperlonguminina e isopiperlonguminina, além de esteróides (isômeros de β-sitosterol e estigmasterol) e do sal nitrato de potássio 2,3,5 . Apesar destas amidas serem previamente conhecidas por terem sido isoladas de outras espé-cies de Piperaceae [6][7][8][9][10][11][12][13][14][15][16][17] , pouco se conhece sobre suas atividades biológi-cas, entre as quais destacam-se efeitos de salivação, dormência e sensação de queimadura na língua 11 , além da ação piscicida 13 , inseticida 14 e antibacteriana 18 .…”
Section: Introductionunclassified