that the molar ratio of available oxygen from the peroxide source to peracid is from 1 1 to 35 1 or even 2 1 to 10 1 bleach boosting compounds u2014 the compositions herein may comprise one or more bleach boosting compounds bleach boosting compounds provide increased bleaching effectiveness in lower temperature applications the bleach boosters act in conjunction with conventional peroxygen bleaching sources to provide increased bleaching effectiveness this is normally accomplished through in situ formation of an active oxygen transfer agent such as a dioxirane an oxaziridine or an oxaziridinium alternatively preformed dioxiranes oxaziridines and oxaziridiniums may be used among suitable bleach boosting compounds for use in accordance with the present invention are cationic imines zwitterionic imines anionic imines and or polyionic imines having a net charge of from about 3 to about u2212 3 and mixtures thereof these imine bleach boosting compounds of the present invention include those of the general structure where r 1 r 4 may be a hydrogen or an unsubstituted or substituted radical selected from the group consisting of phenyl aryl heterocyclic ring alkyl and cycloalkyl radicals suitable bleach boosting compounds include zwitterionic bleach boosters zwitterionic bleach boosters which are described in u s pat nos 5 576 282 and 5 718 614 other bleach boosting compounds include cationic bleach boosters described in u s pat nos 5 360 569 5 442 066 5 478 357 5 370 826 5 482 515 5 550 256 and wo 95 13351 wo 95 13352 and wo 95 13353 peroxygen sources are well known in the art and the peroxygen source employed in the present invention may comprise any of these well known sources including peroxygen compounds as well as.