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A particulate detergent composition (especially with bulk density 700 g/l) containing an organic surfactant system, a zeolite P builder having a SiAl ratio 1.33 (zeolite MAP), and a bleach catalyst containing Mn and/or Fe ions and a ligand such as 1,4,7-trimethyl-1,4,7-triazacyclonane shows better resistance of the bleach catalyst against discoloration during storage than a similar composition...