| antiviral activities of extracts from hong kong seaweeds. | we extracted six hong kong brown seaweed species with hot water for their antiviral properties. the cytotoxicity and antiviral activity of these extracts were tested by mtt [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenlytetrezolium bromide] method, cytopathic effect reduction assay, and plaque reduction assay. the antiviral effect was further determined by flow cytometric analysis. the results showed that most of these extracts inhibited the propagation of herpes simplex virus types 1 and 2 (hsv-1 an ... | 2008 | 19067465 |