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Open Access Highly Accessed Research article

Phytochemical analysis and in-vitro anti-African swine fever virus activity of extracts and fractions of Ancistrocladus uncinatus, Hutch and Dalziel (Ancistrocladaceae)

Folorunso O Fasina12*, Oyinlola O Olaokun3, Olusola O Oladipo4, Margaret M Fasina5, Adesoji A Makinde4, Livio Heath6 and Armanda DS Bastos2

Author Affiliations

1 Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa

2 Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa

3 Phytomedicine Programme, Department of Paraclinical Science, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa

4 National Veterinary Research Institute, Vom, Plateau State, Nigeria

5 Maximum Farms, P. O. Box 23, Vom Post Office, Plateau State, Nigeria

6 Transboundary Animal Disease Programme, ARC-Onderstepoort Veterinary Institute, Onderstepoort, South Africa

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BMC Veterinary Research 2013, 9:120  doi:10.1186/1746-6148-9-120

Published: 19 June 2013

Abstract

Background

African swine fever (ASF), a highly contagious fatal acute haemorrhagic viral disease of pigs currently has no treatment or vaccination protocol and it threatens the pig industry worldwide. Recent outbreaks were managed by farmers with ethnoveterinary preparations with various claims of effectiveness.

Results

We identified 35 compounds using GC-MS protocol and ASF virus (NIG 99) was significantly reduced by some extracts and fractions of the plant. However, the plant was poorly extracted by water and cytotoxicity was found to be a major problem with the use of the plant since its extracts also reduced the primary cells used in the assay.

Conclusion

It is confirmed that the plant has antiviral potentials against ASF virus and farmers’ claims seem to have certain degree of veracity, but finding the best means of exploring the potential of the plant while reducing its cytotoxic effect in-vitro and in-vivo will be necessary.

Keywords:
Ancistrocladus uncinatus; African swine fever virus; Antiviral