The Tea and Polysaccharide Fractions of Ximenia americana Stem Barks Inhibits Inflammatory Parameters Induced by Zymosan in Mice

Gabriela Fernandes Oliveira Marques, Arcelina Pacheco Cunha, Francisco Sávio Machado Lima Gabriel, Nágila Maria Pontes Silva Ricardo, Maria Gonçalves Pereira, Ana Maria Sampaio Assreuy

Abstract


Ximenia americana or “ameixa-do-sertão” is a plant used in the folk medicine of Northeast-Brazil in inflammatory and painful processes. The literature has shown anti-inflammatory and antinociceptive activities for the aqueous or hydroalcoholic extracts and polysaccharide fractions of X. americana stem barks. This study investigated the anti-inflammatory effect of polysaccharide fractions and tea prepared from X. americana stem barks in mice models of paw edema and peritonitis induced by zymosan. Tea (50,100, 150 mg/kg; p.o.) and polysaccharide fractions (FI, FII: 1 mg/kg; i.v.), containing carbohydrate (44.8, 25.0, 44.4%) and polyphenols (28.3, 0.78, 1.50%), respectively, were administered 1 h before zymosan (500 mg; s.c. or i.p). FT-IR analysis of the tea showed bands indicating C=O and C-O groups vibration, typical of phenolic compounds. Zymosan-induced paw edema (AUC: 355.0 ± 38.1) was inhibited by the tea by 38% (100 mg/kg) and 36% (150 mg/kg). FI and FII reduced the edema by 47% (933.8 ± 158.1 AUC) and 30% (1263 ± 124.8 AUC), respectively. Zymosan i.p. induced hypernociception (4.7 ± 0.3 g) and increased the peritoneal leukocyte migration (10979 ± 1475 cells/ml). FII increased by 66% the nociceptive threshold (13.87 ±1.59 g) and reduced by 63% leukocyte migration (3993 ± 439.1 cells/ml). FII decreased plasma protein by 64% (92.6 ± 4.5 vs. zymosan: 119.6 ± 5.4 mg/ml) and MDA by 63% (57.5 ± 3.5 vs. zymosan: 88.9 ± 6.3 mg/ml). The tea, containing polysaccharides and polyphenols, and polysaccharide fractions FI/FII of X. americana barks possess antiinflammatory effect in mice models of acute inflammation induced by zymosan.


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DOI: https://doi.org/10.5296/jbls.v11i2.17698

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Copyright (c) 2020 Gabriela Fernandes Oliveira Marques, Arcelina Pacheco Cunha, Francisco Sávio Machado Lima Gabriel, Nágila Maria Pontes Silva Ricardo, Maria Gonçalves Pereira, Ana Maria Sampaio Assreuy

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