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Plantas utilizadas como barbasco por algunas comunidades indígenas del Paraguay
Steviana, 2021Varias etnias indígenas del Paraguay, que habitan a orillas de grandes ríos y sus afluentes, son ictiófagas hasta hoy día. Una de las técnicas de pesca consiste en el uso de sustancias tóxicas de diferentes plantas para embarbascar peces. Probablemente el descubrimiento de las plantas ictiotóxicas se debió a las prácticas de higienización y a la ...
Marcelo Dujak, Pamela Marchi
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The First Total Synthesis of (−)-Methyl Barbascoate
The Journal of Organic Chemistry, 2005[reaction: see text] The neo-trans-clerodane natural product, (-)-methyl barbascoate 1, has been synthesized for the first time starting from the known ketone 6 derived from (R)-(-)-Wieland-Miescher ketone analogue 5.
Hisahiro, Hagiwara +5 more
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Intoxicación por Barbasco (Lonchocarpus urucu). Reporte de Caso
Revista de la Facultad de Farmacia, 2022El Barbasco (Lonchocarpus urucu) es una especie de planta de la familia Febacea, que tiene actividad plaguicida contra una amplia variedad de insectos y arácnidos. La rotenona es el compuesto activo del Barbasco. Cuando es ingerido en grandes cantidades, la rotenona tiene baja toxicidad en aves, pero es moderadamente tóxica en ratas.
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Journal of Ethnobiology, 2011
Like other native Amazonian peoples, the Yanesha of eastern Peru conceive of plants and trees as having been primordial human beings transformed into their present form at the end of mythic times. The events that led to their transformation can be described as being either ‘‘sublime’’ or ‘‘grotesque.’’ Cultivated plants that underwent a sublime mode of
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Like other native Amazonian peoples, the Yanesha of eastern Peru conceive of plants and trees as having been primordial human beings transformed into their present form at the end of mythic times. The events that led to their transformation can be described as being either ‘‘sublime’’ or ‘‘grotesque.’’ Cultivated plants that underwent a sublime mode of
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