Neutrophil is accumulated by chemoattractants at inflammatory sites. In order to find a new substance to regulate the chemotaxis of neutrophil, we examined the effects of purified tannins and related compounds (33 species). Among those studied, sanguiin H-11, purified from the plant Sanguisorba
Fifty-seven tannins and related compounds, including gallotannins, ellagitannins, and condensed and complex tannins, were evaluated for their cytotoxicities against human tumor cell lines, including malignant melanoma, lung carcinoma, ileocecal adenocarcinoma, epidermoid carcinoma, malignant