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Molecules 2010, 15(11), 8193-8204; https://doi.org/10.3390/molecules15118193

Chemical Constituents of the Bark of Dipteryx alata Vogel, an Active Species against Bothrops jararacussu Venom

1
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Campus "Miguel de Unamuno", Salamanca University, E-37007 Salamanca, Spain
2
Sorocaba University, UNISO, Rodovia Raposo Tavares km 92.5, 18023-000, Sorocaba, SP, Brazil
3
Methodist University of Piracicaba, Rodovia do Açúcar km 156, 13400-911, Piracicaba, SP, Brazil
4
Federal University of Tocantins, Av. NS 15 ALC NO 14, 109 Norte, 77001-090, Porto Nacional, TO, Brazil
*
Author to whom correspondence should be addressed.
Received: 25 September 2010 / Revised: 4 November 2010 / Accepted: 10 November 2010 / Published: 12 November 2010
(This article belongs to the Section Natural Products Chemistry)
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Abstract

The effect of four sub-extracts prepared from the lyophilized hydroalcoholic bark of Dipteryx alata (Leguminosae-Papilionoideae) dissolved in a methanol-water (80:20) mixture through a liquid-liquid partition procedure has been investigated against the neuromuscular blockade of the venom of the snake Bothrops jararacussu. The active CH2Cl2 sub-extract has been extensively analyzed for its chemical constituents, resulting in the isolation of four lupane-type triterpenoids: lupeol (1), lupenone (2), 28-hydroxylup-20(29)-en-3-one (3), betulin (4), nine isoflavonoids: 8-O-methylretusin (5), 7-hydroxy-5,6,4’-trimethoxyisoflavone (6), afrormosin (8), 7-hydroxy-8,3’,4’-trimethoxyisoflavone (9), 7,3’-dihydroxy-8,4’-dimethoxyisoflavone (10), odoratin (11), 7,8,3’-trihydroxy-4’-methoxyisoflavone (13), 7,8,3’-trihydroxy-6,4’-dimethoxyisoflavone (15), dipteryxin (17), one chalcone: isoliquiritigenin (7), one aurone: sulfuretin (14) and three phenolic compounds: vanillic acid (12), vanillin (16), and protocatechuic acid (18). Their chemical structures were elucidated on the basis of spectroscopic analysis, including HRMS, 1D- and 2D-NMR techniques. View Full-Text
Keywords: Dipteryx alata; Leguminosae-Papilionoideae; isoflavone; Bothrops jararacussu; snake venom; neutralization Dipteryx alata; Leguminosae-Papilionoideae; isoflavone; Bothrops jararacussu; snake venom; neutralization
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Puebla, P.; Oshima-Franco, Y.; Franco, L.M.; Santos, M.G.D.; Silva, R.V.; Rubem-Mauro, L.; Feliciano, A.S. Chemical Constituents of the Bark of Dipteryx alata Vogel, an Active Species against Bothrops jararacussu Venom. Molecules 2010, 15, 8193-8204.

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