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Food additives data book - wordpres

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Enzymes 414<br />

NAME: Chymotrypsin (pancreatic)<br />

CATEGORY: Enzymes<br />

FOOD USE: Baked goods/ Alcoholic beverages, beer<br />

SYNONYMS: EC 3.4.21.1<br />

pH OPTIMUM: 8–9<br />

TEMPERATURE OPTIMUM °C: 35<br />

SIDE ACTIVITIES: Amylase, lipase, esterase<br />

FUNCTION IN FOODS: Preferential cleavage of tyrosine, tryptophan, phenylalanine, leucine residues<br />

TECHNOLOGY OF USE IN FOODS: Baked goods – modification of gluten in baking of biscuits as powder at up to 0.25% of flour; to<br />

reduce mixing time of dough as tablets at 75 HU per 100 g flour. Alcoholic beverages (beer), to provide<br />

nitrogen for yeast growth and aid in filtration and chillproofing as liquid or powder at 0.3% DS<br />

ANTAGONISTS: Inhibited by compounds in cereals, beans, potato, egg<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.<br />

ANY OTHER RELEVANT INFORMATION: Bovine chymotrypsin is more thermotolerant

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