The present invention provides molluscicidal saponins and saponin fractions from Camellia sinensis, together with compositions comprising such saponins and saponin fractions, and methods of preparing same. Methods for the control of molluscs, including terrestrial molluscs, such as slugs or snails, using the saponins and saponin fractions or compositions comprising said saponins or saponin fractions optionally together with one or more pesticidal agents including molluscicidal agents, are also provided.
