Ecolab USA Inc.

Sara Peters

Steven Eugene Lentsch

Michael S Rischmiller

Kim R Smith

Kim R Solomon

A cleaning composition is provided including an alkalinity source, builder, surfactant, water, a reducing agent and amylase in the ratio of from about 1:1 to about 1:3 wherein the total amount of amylase in the composition is equal to or less than about 1.0 weight percent; and wherein the composition is substantially free of polyols, alkanolamine, phosphates, and boric acid. A method of presoaking soiled substrates is further provided. The method including the steps of providing presoak solution to a soiled substrate at a temperature of between about 65.5&#xb0; C. up to about 80&#xb0; C., the presoak solution including the provided composition; draining the presoak solution from the substrate; providing a detergent to a soiled substrate including the composition of the present invention; and removing or draining the detergent; and rinsing the substrate with water.

Enzyme-containing detergent and presoak composition and methods of using

Methods for use of enzymes for sustainable wash water maintenance are disclosed. The invention relates to use of enzymes for removing soils from wash water sources in a variety of cleaning applications. The invention cleans wash water sources, prevents the re-deposition of soils on treated surfaces and enhances detergency. Methods of wash water maintenance according to the invention provide sustainable practices by improving water quality and minimizing water and energy consumption in wash systems.

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Rosemount, MN, United States of America

Sara Peters