Peracid based dishwashing detergent composition

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

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510221, 510223, 510226, 510227, 510229, 510230, 510372, 510374, 510375, 510392, 510393, 510441, 134 252, C11D 738, C11D 742

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active

057417679

ABSTRACT:
A warewashing composition for a machine dishwasher and a method of using it is described. The composition comprises effective amounts of an organic peroxy acid, and an amylase enzyme which, when incubated at 55.degree. C. in a solution of 2 mM sodium citrate, 1 mM epsilon phthalimidoperoxyhexanoic acid in 36 ppm water at pH 8.0, has a half-life of two minutes or greater based on an activity vs. time plot obtained via monitoring color development at 405 nm of solution samples incubated with p-nitrophenyl-.alpha.-D-maltoheptaoside as substrate and gluco amylase and .alpha.-glucosidase as coupled enzymes; and 1% to 75% by weight of a builder. A 1% aqueous solution of the composition must have a pH of less than 10.

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Enzyme Material Safety Data Sheet; Commercial Product Name: SP7-3 (T-granulate amylase).
Enzyme Material Saftey Data Sheet, Commercial Product Name: Duramyl 300 L, Type DX.
Genencor Material Safety Date Sheet; Product Name: Purafect.RTM. OxAm 4000G.
P. Bernfeld, "Method of Enzymology", vol. 1 (1995), p. 149.
Liisa Holm et al., 1990, Protein Engineering 3, pp. 181-191.

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