Detergent composition
Low-pH automatic dishwashing detergent composition comprising a low temperature amylase and a lime soap dispersing agent and wherein the composition has a pH as measured in 1% weight aqueous solution at 25° C. of from about 5 to about 7.5, preferably less than 6.9.
1. A low-pH automatic dishwashing detergent composition comprising a low temperature tolerant amylase and from 2% to 10%, by weight, of a lime soap dispersing agent and wherein the composition has a pH as measured in 1% weight aqueous solution at 25° C. of from about 5 to about 6.5, wherein the amylase has 100% identity to SEQ ID NO:4 and further comprises substitutions at positions 9, 118, 149, 182, 186, 195, 202, 257, 295, 299, 320, 323, 339, 345, 458 and the deletions of D183* and G184*, wherein the lime soap dispersing agent comprises an alkyl ethoxysulfate surfactant and an alkoxylated polyalkyleneime, wherein the composition is builder free, wherein the amylase demonstrates at least 2 times the relative activity of a second amylase which has 100% identity to SEQ ID NO:3, wherein the lime soap dispersing agent has a lime scale dispersing power of no more than 8.
2. A composition according to claim 1 wherein the composition further comprises a suds suppressor.
3. A composition according to claim 1 wherein the lime soap dispersant can act as a soil swelling agent.
4. A composition according to claim 1 wherein the composition further comprises a crystal growth inhibitor.
5. A composition according to claim 1 wherein the composition further comprises a protease selected from the group consisting of:
(i) a metalloprotease;
(ii) a cysteine protease;
(iii) an aspartate protease, and
(iv) mixtures thereof.
6. A composition according to claim 1 wherein the composition further comprises at least one further enzyme selected from the group consisting of a pullulanase, a lipase, a cellulase, an oxidase, a phospholipase, a perhydrolase, a xylanase, a pectate lyase, a pectinase, a galacturanase, a hemicellulase, a xyloglucanase, a mannanase and mixtures thereof.
7. A composition according to claim 1 wherein the composition further comprises a buffer.
8. A composition according to claim 1 wherein the composition further comprises an iron chelant wherein the iron chelant is selected from the group consisting of siderophores, catechols, enterobactin, hydroxamates, hydroxypyridinones (or hydroxypyridine N-Oxides) and mixtures thereof.
9. A composition according to claim 1 wherein the composition further comprises an iron chelant selected from the group consisting of 1,2-dihydroxybenzene-3,5-disulfonic acid, 2-pyridinol 1 oxide and mixtures thereof.
10. A composition according to claim 1 wherein the composition comprises less than about 5% by weight of the composition of bleach.
11. A composition according to claim 1 comprising a metalloprotease, an anionic surfactant, a dispersing polymer and a crystal growth inhibitor.
12. A single or multi-compartment water-soluble cleaning pack comprising a cleaning composition according to claim 1 and a water-soluble enveloping material wherein the weight of the pack is from 5 to 40 g.
13. A method of cleaning dishware/tableware in an automatic dishwasher comprising the step of subjecting the ware to a wash liquor comprising a composition according to claim 1 .