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Food additives data book - wordpres

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Enzymes 392<br />

NAME: Alpha-galactosidase<br />

CATEGORY: Enzymes<br />

FOOD USE: Sugar beet<br />

SYNONYMS: Alpha-D-galactoside galactohydrolase/ EC 3.2.1.22/ EINECS 232-792-0<br />

pH OPTIMUM: Aspergillus niger 4.5; Saccharomyces spp. 5<br />

TEMPERATURE OPTIMUM °C: Aspergillus niger 65; Saccharomyces spp. 50<br />

SIDE ACTIVITIES: Aspergillus niger glucosidase, hemicellulase; Saccharomyces spp. glucosidase, invertase<br />

FUNCTION IN FOODS: Exo-hydrolysis of terminal non-reducing alpha-D-galactoside residues of polysaccharides,<br />

oligosaccharides, galactomannans, galactolipids. Enzyme used in production of sugar from sugar beets;<br />

production aid<br />

TECHNOLOGY OF USE IN FOODS: Enzyme used in production of sugar from sugar beets; production aid<br />

SYNERGISTS: Aspergillus niger; Saccharomyces spp.<br />

ANTAGONISTS: Aspergillus niger; Saccharomyces spp.<br />

LEGISLATION: USA: UK and EUROPE: CANADA: AUSTRALIA/PACIFIC RIM:<br />

GRAS from Morteirella vinaceae Approved Approved Japan: approved<br />

var. raffinoseutilizer, FDA 21CFR<br />

§ 173.145<br />

REFERENCES: Ash, M., and Ash, I. (1995) <strong>Food</strong> Additives. Gower Publishing Co., Brookfield, VT, USA.<br />

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.<br />

ANY OTHER RELEVANT INFORMATION: Aspergillus niger acts on many galactosides; Saccharomyces spp. low galactomannase activity

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