2021
DOI: 10.1016/j.foodhyd.2020.106221
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Sulfated polysaccharide extracted from seaweed Gracilaria caudata attenuates acetic acid-induced ulcerative colitis

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Cited by 15 publications
(11 citation statements)
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“…1C) had a strong band at cm − 1 , in the region characteristic of O-H stretching, one at 2927 cm − characteristic of C-H stretching and one at 1647 cm − 1 characteristic of H-O-H bending (Li et al, 2017). The band at 1541 cm − 1 corresponds to the deformation of primary O-H groups (Dutra et al, 2021). The bands at 1456 cm − 1 and 1384 cm − 1 corresponded to the variable angle vibration of the C-H bond and stretching of sulphates (S ¸en & Erboz, 2010).…”
Section: Ft-ir Analysismentioning
confidence: 99%
“…1C) had a strong band at cm − 1 , in the region characteristic of O-H stretching, one at 2927 cm − characteristic of C-H stretching and one at 1647 cm − 1 characteristic of H-O-H bending (Li et al, 2017). The band at 1541 cm − 1 corresponds to the deformation of primary O-H groups (Dutra et al, 2021). The bands at 1456 cm − 1 and 1384 cm − 1 corresponded to the variable angle vibration of the C-H bond and stretching of sulphates (S ¸en & Erboz, 2010).…”
Section: Ft-ir Analysismentioning
confidence: 99%
“…Previous studies have found that purple sweet potato polysaccharides alleviate the inflammatory response and restore colon length through moderation of the gut microbiota in mice with DSS‐induced colitis (Sun et al, 2020). In addition, a polysaccharide extracted from seaweed Gracilaria caudata attenuates acetic acid‐induced colitis via reducing pro‐inflammatory cytokines levels (IL‐1β and TNF‐α) and histopathological damage in colonic tissue (Dutra et al, 2021). Consistent with previous reports, this study provided compelling evidence that a decrease in proinflammatory cytokines accompanied by an increase in antiinflammatory cytokines was observed after RNP and OP administration in contrast with that observed in the model group.…”
Section: Discussionmentioning
confidence: 99%
“…A terapia padrão para colite busca reduzir a inflamação anormal no revestimento do cólon e aliviar a sintomatologia por meio do uso de aminossalicilatos, corticosteróides, antibióticos e antagonistas do TNF-α (Batista, et al, 2020). No entanto, esses medicamentos mostram eficácia limitada para remissão de longo prazo e são associados a efeitos colaterais significativos (Dutra, et al, 2021).…”
Section: Discussionunclassified
“…O agente DSS, provoca danos à barreira epitelial do cólon induzindo uma resposta imune exacerbada, porém o exato mecanismo não está esclarecido (Taya, et al, 2016;Maria-Ferreira, et al, 2018). O ácido acético, induz a um processo inflamatório e necrotizante difuso, agudo, geralmente limitado à mucosa e submucosa, que resulta em resposta mais favorável quanto a profundidade e extensão das lesões (Dutra, et al, 2021). Já o TNBS atua como um hapteno, que na sua forma solúvel livre, não pode estimular as células B e, por este motivo, não é considerada imunogênica, todavia, quando acoplada à uma proteína carreadora, o complexo hapteno-carreador ativa não apenas as células B, como também as células T auxiliares, e estimula a via de produção de anticorpos.…”
Section: Discussionunclassified
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