Compositions particularly according with the invention are thus those with a fraction of (a) 25 to 99.99% (w/w), preferably 80 to 90% (w/w), of at least one 1,4 O-linked saccharose derivative or of a sugar mixture containing at least one 1,4 O-linked saccharose derivative (in relation to the dry weight of the composition) and (b) one antibody or one antibody derivative, preferably at a concentrati