Anthelmintic Activity, Cytotoxicity, and Phytochemical Screening of Plants Used to Treat Digestive Parasitosis of Small Ruminants in Benin (West Africa).
(2022) Animals — Vol. 12, n° 19, p. 2718 [1-18] (2022)
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Tchetan, Esaie 
Olounladé, Pascal Abiodoun Azando, Erick Virgile Bertrand Abdul Khaliq, Hafiz
- Abstract
- Medicinal plants continue to be used alone or in combination with veterinary drugs to treat animal ailments, especially in developing countries where livestock farmers often lack access to modern veterinary services and drugs. In addition, digestive parasitosis remain a major constraint for small ruminant livestock. The objective of this study was to screen the anthelmintic activity of the main plants used in the treatment of the digestive parasitosis of small ruminants in Benin. A total of 40 extracts were prepared using the successive maceration of 10 plants in four solvents of increasing polarity. The phytochemical screening of the plants was performed, and the anthelmintic activity of the extracts was evaluated on L3 larvae of . The cytotoxicity of the 40 extracts was determined on WI38 noncancerous fibroblast cells using the MTT assay, and the total phenol content (TPC), total flavonoid content (TFC), and condensed tannin content (CTC) were quantified in the most effective extracts using colorimetric methods. The results show that the plants contained tannins, flavonoids, and triterpenoids which may, in part, justify their anthelmintic activities. All plants gave active extracts at the highest concentration tested (1200 µg/mL). Methanol (MeOH) extracts were, in general, more effective than the hexane (HEX), dichloromethane (DCM), and aqueous (HO) ones in inhibiting larval migration, with the MeOH extracts of , , and being the most effective. Nevertheless, the MeOH extract of was highly cytotoxic at the concentration of 100 µg/mL. The anthelmintic activity of , , and was studied on for the first time. These results provide scientific information that can be used for better valorization of the anthelmintic potential of the studied plants and to initiate the process of the identification of new anthelmintic molecules.
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Tchetan, E., Olounladé, P. A., Azando, E. V. B., Abdul Khaliq, H., Ortiz, S., Houngbeme, A., Alowanou, G. G., Koura, B. I., Akouedegni, G. C., Houinato, M. R. B., Hounzangbe-Adote, S. M., Gbaguidi, F. A., & Leclercq, J. (2022). Anthelmintic Activity, Cytotoxicity, and Phytochemical Screening of Plants Used to Treat Digestive Parasitosis of Small Ruminants in Benin (West Africa). Animals, 12(19), 2718 [1-18]. https://doi.org/10.3390/ani12192718 (Original work published 2022)