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Food additives data book - wordpres

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Enzymes 462<br />

NAME: Xylanase<br />

CATEGORY: Enzymes<br />

FOOD USE: Fruit juice<br />

SYNONYMS: 1,3-beta-D-xylanhydrolase/ EC 3.2.1.32<br />

pH OPTIMUM: Aspergillus niger 3–5; Aspergillus oryzae 4; Bacillus spp. 7–9<br />

TEMPERATURE OPTIMUM °C: Aspergillus niger 45–55; Aspergillus oryzae 45; Bacillus spp. 55–65<br />

SIDE ACTIVITIES: Aspergillus niger amylase, glucoamylase, glucosidase, cellulase; Aspergillus oryzae amylase, glucanase,<br />

glucoamylase, cellulase; Bacillus spp. amylase, glucanase, protease<br />

FUNCTION IN FOODS: Endo-hydrolysis of 1,3-beta-D-xylose units of xylans<br />

TECHNOLOGY OF USE IN FOODS: Endo-hydrolysis of 1,3-beta-D-xylose units of xylans<br />

SYNERGISTS: Aspergillus niger; Aspergillus oryzae; Bacillus spp.<br />

ANTAGONISTS: Aspergillus niger; Aspergillus oryzae; Bacillus spp.<br />

REFERENCE: Owusu-Ansah, Y. J. (1991) Enzymes. In: Smith, J. (Ed.), <strong>Food</strong> Additive User’s Hand<strong>book</strong>. Blackie<br />

A & P, London, pp. 120–150.

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