About: Glucanase

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Glucanases are enzymes that break down large polysaccharides via hydrolysis. The product of the hydrolysis reaction is called a glucan, a linear polysaccharide made of up to 1200 glucose monomers, held together with glycosidic bonds. Glucans are abundant in the endosperm cell walls of cereals such as barley, rye, sorghum, rice, and wheat. Glucanases are also referred to as lichenases, hydrolases, glycosidases, glycosyl hydrolases, and/or laminarinases. Many types of glucanases share similar amino acid sequences but vastly different substrates. Of the known endo-glucanases, 1,3-1,4-β-glucanase is considered the most active.

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  • Glucanases are enzymes that break down large polysaccharides via hydrolysis. The product of the hydrolysis reaction is called a glucan, a linear polysaccharide made of up to 1200 glucose monomers, held together with glycosidic bonds. Glucans are abundant in the endosperm cell walls of cereals such as barley, rye, sorghum, rice, and wheat. Glucanases are also referred to as lichenases, hydrolases, glycosidases, glycosyl hydrolases, and/or laminarinases. Many types of glucanases share similar amino acid sequences but vastly different substrates. Of the known endo-glucanases, 1,3-1,4-β-glucanase is considered the most active. (en)
  • Une glucanase est une glycoside hydrolase qui dégrade les glucanes, polysaccharides constitués de plusieurs résidus de glucose, par hydrolyse des liaisons osidiques. Ces enzymes peuvent être produites par des mycètes anaérobies de la division des Neocallimastigomycota présents dans le microbiote intestinal des herbivores. Elles sont parfois utilisées en œnologie, notamment lors de la vinification sur lie avec microbullage. Elles assistent l'autolyse des cellules de levure pour en libérer les polysaccharides et les mannoprotéines, ce qui améliorerait la couleur et la texture du vin. (fr)
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  • Glucanase (en)
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  • Glucanases are enzymes that break down large polysaccharides via hydrolysis. The product of the hydrolysis reaction is called a glucan, a linear polysaccharide made of up to 1200 glucose monomers, held together with glycosidic bonds. Glucans are abundant in the endosperm cell walls of cereals such as barley, rye, sorghum, rice, and wheat. Glucanases are also referred to as lichenases, hydrolases, glycosidases, glycosyl hydrolases, and/or laminarinases. Many types of glucanases share similar amino acid sequences but vastly different substrates. Of the known endo-glucanases, 1,3-1,4-β-glucanase is considered the most active. (en)
  • Une glucanase est une glycoside hydrolase qui dégrade les glucanes, polysaccharides constitués de plusieurs résidus de glucose, par hydrolyse des liaisons osidiques. Ces enzymes peuvent être produites par des mycètes anaérobies de la division des Neocallimastigomycota présents dans le microbiote intestinal des herbivores. Elles sont parfois utilisées en œnologie, notamment lors de la vinification sur lie avec microbullage. Elles assistent l'autolyse des cellules de levure pour en libérer les polysaccharides et les mannoprotéines, ce qui améliorerait la couleur et la texture du vin. (fr)
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  • Glucanase (en)
  • Glucanase (fr)
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