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Figure 3: Time-of-addition effect of crude kaempferol (A) and kaempferol-7-OGlycoside (B) obtained from Securigera securidaca on HSV-1 replication in Vero cells. 5 μg/ml of each extract was added either before (−2 ,-4 and −6 h), during (0) and after (2, 4 and 6 h) virus infection. The extracts added before virus infection was rinsed off prior to the virus exposure. Each value is the result of mean ± SD of three independent experiments. |