Abstract:
A fungal alpha-amylase is provided from Aspergillus fumigatus (AfAmyl). AfAmyl has an optimal pH of 3.5 and is operable at 30 - 75 degrees C, allowing the enzyme to be used in combination with a glucoamylase and an isoamylase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the alpha-amylase or glucoamylase. AfAmyl also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DPI + DP2) compared to the products of saccharification catalyzed by an alpha-amylase from Aspergillus kawachii. This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
Abstract:
A composition is provided for improving decolorizing and desizing garments and fabrics with a reducing agent in a washer. A surfactant is added so as to improve wet out and to reduce the surface tension of the water.
Abstract:
A fungal alpha-amylase is provided from Aspergillus fumigatus (AfAmy1). AfAmy1 has an optimal pH of 3.5 and is operable at 30 - 75 degrees C, allowing the enzyme to be used in combination with a glucoamylase and a pullulanase in a saccharification reaction. This obviates the necessity of running a saccharification reaction as a batch process, where the pH and temperature must be readjusted for optimal use of the alpha-amylase or glucoamylase. AfAmy1 also catalyzes the saccharification of starch substrates to an oligosaccharide composition significantly enriched in DP2 and (DP1 + DP2) compared to the products of saccharification catalyzed by an alpha-amylase from Aspergillus kawachii . This facilitates the utilization of the oligosaccharide composition by a fermenting organism in a simultaneous saccharification and fermentation process, for example.
Abstract:
Disclosed is a method of sizing and desizing yarn, or more specifically to a method of coating yarn with size and removing size from yarn with liquid carbon dioxide solvent.
Abstract:
A process for desizing cellulose-containing fabric comprises treating the fabric with a modified enzyme (enzyme hybrid) which comprises a catalytically active amino acid sequence of an enzyme, particularly a non-cellulolytic enzyme, linked to an amino acid sequence comprising a cellulose-binding domain. A desizing composition suitable for use in the process comprises an enzyme hybrid of the type in question and a wetting agent.
Abstract:
Compositions and textile sizes based on those compositions, which are particular poly(vinyl alcohol) copolymer ionomers, as well as blends of those ionomers with other sizing polymers are described. A process to prepare the ionomers is described. The compositions are poly(vinyl alcohol) copolymers which have carboxylic acid ionomer comonomer units. Sizes based on these ionomers are aqueous solutions of the ionomers or solutions of blends of them with other poly(vinyl alcohol) polymers which are not ionomeric, or solution/suspensions of the ionomers with various starches, or both. Desizing in either water or caustic solutions is generally far superior to comparable polymer blends which contain no poly(vinyl alcohol) copolymer ionomer.
Abstract in simplified Chinese:不同淀粉分解酶(淀粉)之混合物,包含一至四种选自苔状杆茵之高温淀粉(HTA)及一至四种选自淀粉液化杆菌之低温淀粉(LTA),其中HTA对LTA之活性比例为10%:90%至90%:10%,且在30至90℃之温度范围内可产生60%至95%之最大活性。此种混合物可以水稀释。借由以所述混合物处理织物及随之加以清洗之步骤,此等混合物为适合将浆上淀粉之织物除浆者。