FIELD: biotechnologies.
SUBSTANCE: compositions containing active versions of alpha-amylase are proposed. Besides a new version of alpha-amylase, compositions as per the invention usually contain at least one additional ferment, a detergent, one surface-active substance, one complexing agent, an oxidiser, an acidifying agent, an alkaliser, a peroxide source, a harness source, salt, a detergent complexing agent, a polymer, a stabilising agent or a conditioner. Besides, application methods of those compositions for scouring of woven fabric, for washing or cleaning of products, such as dishware or linen, which are contaminated with starch-containing substances, are described.
EFFECT: improved thermal stability relative to parental; form of AmyS-like alpha-amylase, from which they have been obtained.
10 cl, 12 tbl, 24 dwg, 14 ex
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