2007
DOI: 10.1590/s0102-695x2007000200011
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O Ácido (8)17,12E,14-labdatrieno-18-óico (labdano302), diterpeno tipo labdano isolado de Xylopia langsdorffiana St. Hil. & Tul. (Annonaceae) relaxa a traquéia isolada de cobaia

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Cited by 12 publications
(6 citation statements)
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“…Rings were stabilized with a resting tension of 1.0 g for 1 h, with solution being changed every 15 min (Ribeiro et al, 2007). The isometric tension was recorded by a force transducer coupled to a data acquisition system (WinDaq, DATAQ Instruments, Inc., Akron, OH).…”
Section: Preparation Of Isolated Guinea-pig Tracheamentioning
confidence: 99%
“…Rings were stabilized with a resting tension of 1.0 g for 1 h, with solution being changed every 15 min (Ribeiro et al, 2007). The isometric tension was recorded by a force transducer coupled to a data acquisition system (WinDaq, DATAQ Instruments, Inc., Akron, OH).…”
Section: Preparation Of Isolated Guinea-pig Tracheamentioning
confidence: 99%
“…22 Também, foi relatada atividade hipotensora de um diterpeno labdano isolado do caule dessa espécie 23 e efeito relaxante em traquéia isolada de cobaia. 24 Por ser considerada uma fonte promissora de substâncias bioativas, continuamos o estudo fitoquímico de X. langsdorffiana e neste artigo reportamos o isolamento e a caracterização estrutural de quatro alcaloides, coritenchina (1), xylopinina (2), discretamina (3) e xylopina (4), um diterpeno, o ácido ent-16α-hidroxi-atisan-18-oico (5), um feoforbídeo, o 13 2 (S)-hidroxi-17 3 -etoxifeoforbídeo (6), além do flavonoide glicosilado quercetina-3-α-raminosídeo (7). A atividade antioxidante da discretamina frente ao sequestro do radical livre estável 2,2-difenil-1-picril-hidrazil (DPPH) também foi avaliada.…”
Section: Introductionunclassified
“…Moreover, both acids have shown cytotoxic activity against BSC-1 cells [71]. Other activities described for 1 are: antimycobacterial ( Mycobacterium aurum , M. phlei , M. fortuitum and M. smegmatis ) [72], antitumoral [35,73], relaxant [74], hypolipidemic [75], testosterone 5α-reductase inhibitory [76], anti-inflammatory and antioxidant [77]. …”
Section: Biological Activitymentioning
confidence: 99%