Tannins from the temperate legume L. corniculatus proved to be about as efficient at inhibiting the activity of FAE as condensed tannins from L. leucocephala. This is important given that condensed tannins from Lotus are considered favourably in terms of animal nutrition [25,26]. Among the condensed tannins from the tropical legumes tested here, those from L. leucocephala were consistently the more benign