Antiviral activity of maca (Lepidium meyenii) against human influenza virus
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10.1016/S1995-7645(14)60268-6
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/102577
Tipus de documentArticle
Data publicació2014
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Objective
To investigate antiviral activity of maca to reduce viral load in Madin-Darby canine kidney (MDCK) cells infected with influenza type A and B viruses (Flu-A and Flu-B, respectively).
Methods
Maca were extracted with methanol (1:2, v/v). The cell viability and toxicity of the extracts were evaluated on MDCK cells using method MTT assay. Antiviral activity of compounds against Flu-A and Flu-B viruses was assayed using a test for determining the inhibition of the cytopathic effect on cell culture and multiplex RT-PCR.
Results
The methanol extract of maca showed low cytotoxicity and inhibited influenza-induced cytopathic effect significantly, while viral load was reduced via inhibition of viral growth in MDCK infected cells. Maca contains potent inhibitors of Flu-A and Flu-B with a selectivity index [cytotoxic concentration 50%/IC50] of 157.4 and 110.5, respectively.
Conclusions
In vitro assays demonstrated that maca has antiviral activity not only against Flu-A (like most antiviral agents) but also Flu-B viruses, providing remarkable therapeutic benefits.
CitacióDel Valle, J., Pumarola, T., Alzamora, L., del Valle, L. Antiviral activity of maca (Lepidium meyenii) against human influenza virus. "Asian Pacific Journal of Tropical Medicine", 2014, vol. 7, núm. Suppl 1, p. S415-S420.
ISSN1995-7645
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