Metabolitos secundarios y actividad antiinflamatoria in vitro de hojas de Laportea aestuans L. y Calathea lutea Schult sobre eritrocitos plasmáticos
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Universidad Nacional de la Amazonía Peruana
Abstract
Se evaluó metabolitos secundarios y actividad antiinflamatoria in vitro de hojas de Laportea aestuans L. y Calathea lutea Schult sobre eritrocitos plasmáticos. Cuantificación de compuestos fenólicos por técnicas espectrofotométricas UV/vis; análisis de alcaloides en extracción soxhlet y análisis de saponinas por adición del reactivo de Lieberman-Burchard. Para actividad antiinflamatoria (AAI), se utilizaron sangre humana a concentraciones de 10, 100, 1000 y 4000 ug/mL de diferentes extractos, usando solución isosalina como medio de dilución y fármaco de referencia hidrocortisona. Para compuestos fenólicos L. aestuans L. y C. lutea Schult.; esta última obtuvo resultados mayores con 15105,058 mg/100g para fenoles totales, flavonoides 18,735 mg/100g, antocianinas 1,809 mg/100g y catequinas 0,003 mg/100g la misma que fue igual para L. aestuans L. En alcaloides, L. aestuans L. con 27,94 mg/100g; mientras que C. lutea Schult obtuvo 31,82 mg/100g. Para saponinas, C. lutea Schult., L. aestuans L. presentó mayor cantidad con 493,257 mg/100g. En AAI, se concluye que C. lutea Schult para 10, 100, 1000 y 4000 ug/mL obtuvo 19,91%; 29,44%, 37,23% y 41,13%; L. aestuans L. presentó 15,05%; 22,33%, 39,81% y 43,69% de inhibición. Hidrocortisona presentó 28,64%; 33,98%, 50,97% y 79,13% de inhibición de protección de la membrana de glóbulos rojos. L. aestuans L. obtuvo IC50= 11914,42 ug, lo que indica que a esta concentración produce inhibición en cuanto a protección de la membrana de glóbulos rojos; mientras que C. lutea Schult obtuvo un IC50= 41084,92 ug. Hidrocortisona obtuvo menor IC50=316,15 ug lo que demuestra que es el de mejor actividad antiinflamatoria.
Secondary metabolites and in vitro anti-inflammatory activity of Laportea aestuans L. and Calathea lutea Schult leaves were evaluated on plasma erythrocytes. Quantification of phenolic compounds by UV / vis spectrophotometric techniques; analysis of alkaloids in soxhlet extraction and analysis of saponins by addition of the Lieberman-Burchard reagent. For anti-inflammatory activity (AAI), human blood was used at concentrations of 10, 100, 1000 and 4000 ug / mL of different extracts, using isosaline solution as dilution medium and hydrocortisone reference drug. For phenolic compounds L. aestuans L. and C. lutea Schult .; the latter obtained higher results with 15 105.058 mg / 100g for total phenols, flavonoids 18.735 mg / 100g, anthocyanins 1.809 mg / 100g and catechins 0.003 mg / 100g the same that was the same for L. aestuans L. In alkaloids, L. aestuans L. with 27.94 mg / 100g; while C. lutea Schult obtained 31.82 mg / 100g. For saponins, C. lutea Schult., L. aestuans L. presented the highest amount with 493,257 mg / 100g. In AAI, it is concluded that C. lutea Schult for 10, 100, 1000 and 4000 ug / mL obtained 19.91%; 29.44%, 37.23% and 41.13%; L. aestuans L. presented 15.05%; 22.33%, 39.81% and 43.69% inhibition. Hydrocortisone presented 28.64%; 33.98%, 50.97% and 79.13% inhibition of red blood cell membrane protection. L. aestuans L. obtained IC50 = 11914.42 ug, which indicates that at this concentration it produces inhibition in terms of protection of the red blood cell membrane; while C. lutea Schult obtained an IC50 = 41084.92 ug. Hydrocortisone obtained a lower IC50 = 316.15 ug, which shows that it is the one with the best anti-inflammatory activity.
Secondary metabolites and in vitro anti-inflammatory activity of Laportea aestuans L. and Calathea lutea Schult leaves were evaluated on plasma erythrocytes. Quantification of phenolic compounds by UV / vis spectrophotometric techniques; analysis of alkaloids in soxhlet extraction and analysis of saponins by addition of the Lieberman-Burchard reagent. For anti-inflammatory activity (AAI), human blood was used at concentrations of 10, 100, 1000 and 4000 ug / mL of different extracts, using isosaline solution as dilution medium and hydrocortisone reference drug. For phenolic compounds L. aestuans L. and C. lutea Schult .; the latter obtained higher results with 15 105.058 mg / 100g for total phenols, flavonoids 18.735 mg / 100g, anthocyanins 1.809 mg / 100g and catechins 0.003 mg / 100g the same that was the same for L. aestuans L. In alkaloids, L. aestuans L. with 27.94 mg / 100g; while C. lutea Schult obtained 31.82 mg / 100g. For saponins, C. lutea Schult., L. aestuans L. presented the highest amount with 493,257 mg / 100g. In AAI, it is concluded that C. lutea Schult for 10, 100, 1000 and 4000 ug / mL obtained 19.91%; 29.44%, 37.23% and 41.13%; L. aestuans L. presented 15.05%; 22.33%, 39.81% and 43.69% inhibition. Hydrocortisone presented 28.64%; 33.98%, 50.97% and 79.13% inhibition of red blood cell membrane protection. L. aestuans L. obtained IC50 = 11914.42 ug, which indicates that at this concentration it produces inhibition in terms of protection of the red blood cell membrane; while C. lutea Schult obtained an IC50 = 41084.92 ug. Hydrocortisone obtained a lower IC50 = 316.15 ug, which shows that it is the one with the best anti-inflammatory activity.
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Antiinflamatorios, Ishanga colorada, Laportea aestuans, Bijao, Calathea lutea, Eritrocitos
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