Food Biochemistry and Food Processing (2 edition)

BLBS102-c06 BLBS102-Simpson March 21, 2012 12:6 Trim: 276mm X 219mm Printer Name: Yet to Come

120 Part 2: Biotechnology and Ezymology

Table 6.4.Common Enzyme Group Terms Used in the Food Industry

Group Term Selected Enzymes in This Group

Carbohydrases Amylases (EC 3.2.1.1, 3.2.1.2, 3.2.1.3)

Pectic enzymes (see later)

Lactases (EC 3.2.1.108, 3.2.1.23)

Invertase (EC 3.2.1.26)

α-galactosidases (EC 3.2.1.22, 3.2.1.23)

Cellulase (EC 3.2.1.4)

Hemicellulases (EC not known)

Dextranase (EC 3.2.1.11)

Proteases Serine proteases (EC 3.4.21)

(Endopeptidases) Cysteine proteases (EC 3.4.22)

Aspartic proteases (EC 3.4.23)

Metalloproteases (EC 3.4.24)

Proteases Aminopeptidases (EC 3.4.11)

(Exopeptidase)

Proteases Carboxypeptidases (EC 3.4.16)

(Carboxypeptidases) Metallocarboxypeptidases (EC 3.4.17)

Cysteine carboxypeptidases (EC 3.4.18)

Dipeptide hydrolases (EC 3.4.13)

Oxidoreductases Polyphenol oxidase (EC 1.10.3.1)

Peroxidase (EC 1.11.1.7)

Lactoperoxidase (EC 1.11.1.7)

Catalase (EC 1.11.1.6)

Sulfhydryl oxidase (EC 1.8.3.2)

Glucose oxidase (EC 1.1.3.4)

Pyranose oxidase (EC 1.1.3.10)

Xanthine oxidase (EC 1.1.3.22)

Lipoxygenase (EC 1.13.11.12)

Dehydrogenases (see below)

Alcohol oxidase (EC 1.1.3.13)

Pectolytic enzymes Pectin (methyl) esterase (PE, EC 3.1.11.1)

(Pectic enzymes) Polygalacturonase (PG, EC 3.2.2.15 or 3.2.1.67)

Pectate lyases or pectic acid lyases (PAL)

(Endo-type, EC 3.2.1.15 or 4.2.2.2)

(Exo-type, EC 3.2.1.67 or 4.2.2.9)

Pectic lyase (PL, EC 4.2.2.10)

Heme enzymes Catalase (EC 1.11.1.6)

Peroxidase (EC 1.11.1.7)

Phenol oxidase (Monophenol monooxygenase, EC 1.14.18.1 ?)

Lipoperoxidase (EC 1.13.11.12)

Hemicellulase Glucanases (EC 3.2.1.6, 3.2.1.39, 3.2.1.58, 3.2.1.75, 3.2.1.59, 3.2.1.71, 3.2.1.74, 3.2.1.84)

Xylanase (EC 3.2.1.32)

Galactanases (EC 3.2.1.89, 3.2.1.23, 3.2.1.145)

Mannanase (EC 3.2.1.25)

Galactomannanases (EC not known)

Pentosanases (EC not known)

Nucleolytic enzymes Nucleases

(Endonucleases, EC 3.1.30 or 3.1.27)

(Exonucleases, EC 3.1.15 or 3.1.14)

Phosphatases

(Nonspecific phosphatases, EC 3.1.3)

(Nucleotidases, EC 3.1.3)

Nucleosidases (EC 3)

(Inosinate nucleosidase, EC 3.2.2.12)

Nucleodeaminases

(Adenine deaminase, EC 3.5.4.2)

Dehydrogenase Alcohol dehydrogenase (EC 1.1.1.1)

Shikimate dehydrogenase (EC 1.1.1.25)

Maltose dehydrogenase (EC 3.1 to 3.3)

Isocitrate dehydrogenase (EC 1.1.1.41, 1.1.1.42)

Lactate dehydrogenase (EC 1.1.1.3, 1.1.1.4, 1.1.1.27)

Source: Nagodawithana and Reed. 1993, NC–IUBMB 1992, NC–IUBMB. Available at http://www.iubmb.org.