Immunomodulatory effect of papaya (Carica papaya) pulp and seed extracts as a potential natural treatment for bacterial stress.

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ID: 56416
2019
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Abstract
The current study evaluated the immunomodulatory effects of Carica papaya pulp and seeds methanol (MeOH) extracts on mice infected with Listeria monocytogenes. Gas chromatography-mass spectrometry analysis identified 10 active constituents in C. papaya seed MeOH extract and 10 compounds in C. papaya pulp MeOH extract. The experimental animals were divided into negative control (G1) group, positive control (G2) group, pulp extract treated (G3) group, and seed extract treated (G4) group. After infection of animals (G2, G3, and G4), treatments were started for 3 weeks. Estimation of the immunological parameters showed a marked decrease in IgM levels and an increase in IgG levels in the treated groups (G3 and G4) compared with those in G2. The proinflammatory cytokines (IL-10, IL-12, IL-1β, IL-6, and TGF-β1) were decreased in the treated groups (G3 and G4) compared with those in G2. Nitric oxide levels were also decreased, and the percentages of phagocytosis increased compared with those of G2. The results demonstrated the immunomodulatory and anti-inflammatory effects of C. papaya pulp and seeds MeOH extracts. PRACTICAL APPLICATIONS: Based on the antioxidant and antibacterial activities exhibited by the pulp and seed MeOH extracts investigated in this study, Carica papaya might be considered as a natural source of phytochemicals that could be utilized in novel foods and pharmaceuticals. Further investigation are needed to identify and purify compounds that might be responsible for the observed effects.
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amin2019immunomodulatoryjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Amin, Ali H;Bughdadi, Faisal A;Abo-Zaid, Mabrouk A;Ismail, Ahmed H;El-Agamy, Sherif A;Alqahtani, Alaa;El-Sayyad, Hassan I H;Rezk, Bashir Mahmoud;Ramadan, Mohamed Fawzy;
Journal Journal of food biochemistry
Year 2019
DOI
10.1111/jfbc.13050
URL
Keywords
gas chromatography-mass spectrometry nitric oxide cytokines phagocytosis listeria monocytogenes

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