TOS is a calculated value derived from 100 % minus
% water % minus % ash and minus % diluents (stabilisation and formulation ingredients). The three
enzyme preparation batches presented in Table 1 are ultra-filtered concentrates, which were stabilised
and preserved by addition of potassium sorbate, sodium benzoate, sorbitol and glycerol. The batch
used for toxicological tests does not contain any diluents.