Bulk Xylanase Enzyme Supplier
How Xylanase Works
Cuts Xylan Chains
Endo-xylanase cleaves internal xylosidic bonds, rapidly reducing arabinoxylan viscosity and releasing soluble oligomers for downstream processing or fermentation.
Redistributes Dough Water
In wheat flour, xylanase solubilizes water-binding arabinoxylans — transferring bound water to gluten and starch, improving dough extensibility and oven spring.
Breaks Down Cell Walls
In feed and biofuel, xylanase degrades plant cell wall polysaccharides, releasing nutrients and fermentable sugars otherwise locked inside hemicellulose.
Xylanase Applications by Industry
Cozimento
Increases loaf volume by 10–15%, improves crumb texture, and extends shelf life. Used in bread, rolls, tortillas, and other wheat-based products.
Alimentação animal
Reduces digesta viscosity in poultry and swine diets, improving feed conversion ratio and energy digestibility of wheat, rye, and barley-based feeds.
Pasta e papel
Pre-bleaching kraft pulp with xylanase reduces chlorine chemical demand by up to 20%, cutting costs while improving pulp brightness and environmental profile.
Biofuel
Degrades hemicellulose in lignocellulosic biomass to release fermentable pentose sugars, improving ethanol yield in second-generation bioethanol production.
Cerveja e bebidas
Reduces wort viscosity in wheat and rye beers, improving lautering speed and filtration. Also used in juice clarification and fruit wine production.
Xylanase Applications: Process Details, Dosage & Parameters
Tratamento da farinha e da panificação
Baking | Arabinoxylan Modification & Dough Improvement
Função: Xylanase hydrolyzes arabinoxylans (pentosans) in wheat flour, releasing water-binding insoluble arabinoxylans and improving dough extensibility, water redistribution, and gluten network formation. This reduces mixing time, improves machinability, and produces a more open crumb structure — especially valuable for whole wheat and high-fiber formulations.
Dosagem típica: 0.5–5 ppm based on flour weight; add directly to flour or at mixing stage; pH 5–6 in dough
Aplicações: Pan bread, whole wheat bread, baguette, high-fiber bread, industrial bread production, frozen dough.
Guia relacionado: Baking Enzymes — xylanase, amylase & dough improver dosage guide →
Alimentação animal
Feed Manufacturing | Anti-Nutritional Factor (ANF) Reduction
Função: Arabinoxylans in wheat, rye, and barley-based diets increase intestinal viscosity, reducing nutrient absorption and worsening wet litter in poultry. Exogenous xylanase hydrolyzes these viscosity-causing arabinoxylans, improving nutrient digestibility and energy utilization. This reduces feed cost and improves growth performance.
Dosagem típica: 500–2,000 U/g feed; thermostable grades required for pelleting (≥85°C); combine with beta-glucanase for maximum effect in barley diets
Aplicações: Wheat-based broiler and layer feeds, rye and barley diets, swine wheat-bran diets, aquafeed with plant proteins.
Pulp & Paper (Bleach Boosting)
Paper Manufacturing | Chlorine-Free Bleaching
Função: Xylanase removes xylan redeposited on cellulose fibers during kraft pulp cooking, which blocks bleaching chemical penetration. Enzymatic xylan removal (bio-bleaching pre-treatment) reduces chlorine dioxide demand in ECF bleaching by 15–25% and improves final pulp brightness. This is the most commercially significant industrial xylanase application.
Dosagem típica: 0.05–0.2% w/w on pulp; 50–60°C; pH 7–9 (alkaline-stable xylanase required); 1–2 hours pre-bleach treatment
Aplicações: Kraft pulp ECF bleaching, TCF bleaching sequences, paper brightness improvement, bleach chemical cost reduction.
Biofuel & Biorefinery
Lignocellulosic Biomass | Hemicellulose Saccharification
Função: Xylan (hemicellulose) constitutes 15–30% of agricultural biomass and is the second most abundant polysaccharide after cellulose. Xylanase hydrolyzes xylan to xylose, which can be fermented to ethanol by pentose-fermenting yeasts or converted to xylitol. Xylanase also improves cellulose accessibility in biomass by removing hemicellulose sheathing.
Dosagem típica: 0.05–0.2% w/w on dry biomass; 50–55°C; pH 5–6; 24–48 hours; combine with cellulase for maximum biomass conversion
Aplicações: 2G bioethanol from agricultural residues, xylose production, xylitol manufacturing, biorefinery co-product valorization.
Brewing & Beverages
Brewing | Wort Viscosity & Filtration Improvement
Função: Arabinoxylans contribute to wort viscosity and filtration resistance, particularly in wheat beer and barley-adjunct brewing. Xylanase hydrolysis reduces wort viscosity and improves lautering and filtration efficiency. Combined with beta-glucanase, xylanase is standard in adjunct brewing enzyme cocktails for high-viscosity grain bills.
Dosagem típica: 0.01–0.05% w/w; add during mashing; 55–65°C; 30–60 minutes
Aplicações: Wheat beer, barley adjunct brewing, rye beer, oat stout processing, adjunct mashing optimization.
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