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Food additives data book - wordpres

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Enzymes 428<br />

NAME: Hemicellulase (Aspergillus spp.)<br />

CATEGORY: Enzymes<br />

SYNONYMS: Endo-1,4-beta-D-mannan hydrolase (EC 3.2.1.78)/ Exo-alpha-L-arabinofuran hydrolase (EC 3.2.1.55)/<br />

Exo-1,3-beta-D-xylan hydrolase (EC 3.2.1.72)<br />

pH OPTIMUM: 3–6<br />

TEMPERATURE OPTIMUM °C: 70<br />

SIDE ACTIVITIES: Cellulase, glucosidase, pectinase, pentosanase<br />

FUNCTION IN FOODS: Enzyme which converts glucose to fructose; used in production of high-fructose corn syrup.<br />

Hydrolyses coffee gums; used in the extraction of essential oils and plant extracts<br />

TECHNOLOGY OF USE IN FOODS: Hydrolyses coffee gums; used in the extraction of essential oils and plant extracts<br />

LEGISLATION: USA: CANADA:<br />

FDA 21CFR § 184.1372 Bacillus subtilis – permitted in or upon distiller’s<br />

mash, liquid coffee concentrate, mash destined<br />

AUSTRALIA/PACIFIC RIM: for vinegar manufacture<br />

Japan: approved<br />

REFERENCES: Ash, M., and Ash, I. (1995) <strong>Food</strong> Additives. Gower Publishing Co., Brookfield, VT.<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: These are complex enzyme systems that require specific substrates to identify and distinguish them

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