Synthetic conjugates of β-lactoglobulin and reducing sugar prepared by Maillard reaction acquire the capacity of inactivating haemolytic complement in human serum. The C-inactivating potential is related to the mean number of (lysine)-ε-amino-1-deoxy-2-ketose residues incorporated in the model compound. These findings are compared to results obtained by skin-testing similar artificial allergens in atopic subjects.
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