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Food additives data book - wordpres

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Enzymes 410<br />

NAME: Cellobiase (Aspergillus niger)<br />

CATEGORY: Enzymes<br />

FOOD USE: Sugar manufacture<br />

SYNONYMS: Beta-D-glucoside glucohydrolase/ EC 3.2.1.21<br />

pH OPTIMUM: 5<br />

TEMPERATURE OPTIMUM °C: 60<br />

SIDE ACTIVITIES: Amylase, glucoamylase, protease, hemicellulase<br />

FUNCTION IN FOODS: Exo-hydrolysis of terminal non-reducing 1,4-alpha-D-glucose residues. Used to reduce product<br />

inhibition of cellobiose when cellulases used<br />

TECHNOLOGY OF USE IN FOODS: Cleaves cellobiose units from the non-reducing ends of cellulose polymers<br />

LEGISLATION: USA: UK and EUROPE: CANADA:<br />

GRAS Approved Distiller’s mash, liquid coffee concentrate, spice extracts,<br />

natural flavour and colour extractives<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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