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Anti-Iipase and antioxidant properties of 30 medicinal plants used in Oaxaca, México

Author
Villa-Ruano,Nemesio

Zurita-Vásquez,Guilibaldo G

Pacheco-Hernández,Yesenia

Betancourt-Jiménez,Martha G

Cruz-Durán,Ramiro

Duque-Bautista,Horacio

Full text
https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0716-97602013000200006
Abstract
We report the results of in vitro anti-lipase and antioxidant assays using crude ethanolic extracts from 30 plants grown in Oaxaca, México. Anti-lipase tests were performed by using porcine pancreatic lipase (PPL) [EC 3.1.1.3] from Affymetrix/USB. The extracts of Solanum erianthum, Salvia microphylla, Brungmansia suaveolens and Cuphea aequipetala showed up to 60% PPL inhibition. The effect of these extracts on the kinetic parameters of PPL (Km= 0.36 mM, and Vmax=0.085 mM min -1) revealed that the alcoholic preparations of S. erianthum and C. aequipetala engendered a non-competitive inhibition (Vmax=0.055 mM min -1; Vmax= 0.053 mM min -1), whereas those of S. microphylla and B. suaveolens produced a mixed inhibition (Km= 0.567 mM, Vmax=0.051 mM min _1; Km=0.643 mM, Vmax= 0.042 mM min ¹). In addition to these findings, seven extracts from different plants were able to inhibit PPL in the range of 30-50%. Antioxidant tests against 2,2-Diphenyl-1-picryl hydrazyl (DPPH) confirmed that Arctostaphylos pungens, Gnaphalium roseum, Crotalaria pumila, Cuphea aequipetala, Rhus chondroloma, and Satureja laevigata possess relevant antioxidant activity (IC(5)0=50-80 μg mL¹). The general composition of the most effective ethanolic extracts was obtained in order to confirm their known chemistry reported by previous works. Comprehensive chemical analysis of the ethanolic extracts and their poisoning effects suggests that S. microphylla, C. aequipetala and A. pungens could be considered as the best sources with both desired properties.
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Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
Institutions
Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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