Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Phytochemical Constituents Propolis Flavonoid, Immunological Enhancement, Anti-porcine Parvovirus Activities of isolated from the Propolis

Version 1 : Received: 3 November 2020 / Approved: 4 November 2020 / Online: 4 November 2020 (08:50:29 CET)

How to cite: Ma, X.; guo, Z.; zhang, Z.; li, X.; lv, Y.; shen, Z.; Zhao, L.; Liu, Y. Phytochemical Constituents Propolis Flavonoid, Immunological Enhancement, Anti-porcine Parvovirus Activities of isolated from the Propolis. Preprints 2020, 2020110177 (doi: 10.20944/preprints202011.0177.v1). Ma, X.; guo, Z.; zhang, Z.; li, X.; lv, Y.; shen, Z.; Zhao, L.; Liu, Y. Phytochemical Constituents Propolis Flavonoid, Immunological Enhancement, Anti-porcine Parvovirus Activities of isolated from the Propolis. Preprints 2020, 2020110177 (doi: 10.20944/preprints202011.0177.v1).

Abstract

Propolis was widely used in health preservation and disease healing, it contains many ingredients. The previous study had been revealed that the propolis has a wide range of efficacy, such as antiviral, immune enhancement, anti-inflammatory and so on, but its antiviral components and underlying mechanism of action remain unknown. In this study, we investigated the chemical composition, and anti-PPV and immunological enhancement of Propolis Flavonoid(PF). Chemical composition of PF was distinguished by UPLC-Q/TOF-MS/MS analysis.The presence and characterized of 26 major components was distinguished in negative ionization modes.To evaluate the effects of PF used as adjuvant on the immune response porcine parvovirus (PPV). Thirty Landrace-Yorkshire hybrid sows were randomly assigned to 3 groups, and the sows in adjuvant groups were intramuscular injected PPV vaccine with 2.0 mL PF adjuvant (PA), oilemulsion adjuvant (OA), respectively. After that, serum hemagglutination inhibition antibody titers, IgM and IgG subclasses, eripheral lymphocyte proliferation activity, and concentrations of cytokines were measured. Results indicated an enhancing effect of PA on IgM, IL-2, IL-4, IFN-γ and the IgG subclass responses. These findings suggested that PA could significantly enhance the immune responses. Furthermore, we screened the chemical components the effective of anti-PPV, Ferulic acid have an excellently anti-PPV effective.

Subject Areas

Propolis Flavonoid; UPLC-Q/TOF-MS/MS; immunological enhancement; Ferulic acid; Anti-PPV

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