Taxin B is primarily known for its presence in the yew plant (Taxus species) and has been studied for its potential role in cancer research. It exhibits cytotoxic properties, meaning it can inhibit or destroy cells, particularly targeting rapidly dividing cells such as tumor cells. This compound contributes to the overall antineoplastic activity observed in yew extracts, although it is less prominent compared to paclitaxel. Research applications include studying apoptosis mechanisms and cell cycle disruption in malignant cells. Due to its structural similarity to other taxane derivatives, it may serve as a lead compound in developing new chemotherapeutic agents. However, its use remains largely experimental and confined to laboratory settings.