Publicado 2021-10-31
Palabras clave
- Cromatografía líquida,
- riesgo ambiental,
- contaminante emergente,
- Titicaca
Cómo citar
Resumen
La presencia de hormonas esteroides en las aguas de los lagos provoca la contaminación de los ecosistemas acuáticos, lo que puede provocar alteraciones endocrinas en los organismos que los habitan. Además, muchas de estas aguas se depuran y distribuyen a las poblaciones ubicadas alrededor del lago; por tanto, estos efectos podrían repetirse en los seres humanos que consumen estas aguas. Este estudio reporta la presencia de residuos de hormonas esteroides en las aguas del interior de la bahía del lago Titicaca y agua potable en la ciudad de Puno (Perú). Para la preparación de la muestra se utilizó el método de extracción en fase sólida y los análisis se desarrollaron en un sistema HPLC-DAD, laboratorio CENA- USP- Brasil. Los resultados muestran concentraciones máximas de hormonas esteroides estrona (E1) 1,56, 17 β-estradiol (E2) 2,27, 17 α-etinilestradiol (EE2) 13. 88 ng L-1 respectivamente. Estas concentraciones varían en los diferentes puntos de monitoreo, y su presencia podría ocasionar efectos ecotoxicológicos a la biota acuática endémica que habita esta parte de este lago; al mismo tiempo también podrían afectar la salud de la población humana que consume esta agua
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