title: Application of transglutaminase and fermizyme for sensory quality improvement of pastry.
abstract: The objective of the model experiment was to find out the improving effect of two selected enzymes, transglutaminase (i) and fermizyme (ii), added at different concentrations of 4.5 mg and 7.5 mg/300 g flour (i) and 15 mg and 60 mg/300 g flour (ii) to the pastry dough on the quality of end products. The investigation was aimed to observe some changes of the sensory parameters (sensory profile) of pastry produced from the freezer-stored dough (-18 +/- 2 degrees C/0, 1, 7 and 14 days), namely shape (camber), odour, taste, crust colour (thickness/hardness), crumb elasticity (porosity, colour, hardness), adhesiveness to palate, etc. It has been ascertained that the sensory quality is favourably affected by the addition of the lower concentration of both enzymes: transglutaminase, 4.5 mg/300 g flour and fermizyme, 15 mg/300 g flour in comparison to the control without enzymes. The cambering ratio values and other sensory profile parameters of pastry gradually decreased during the freezer storage of dough. The best sensory evaluation of both kinds of pastry was achieved after a one-day storage of doughs.
authors.affiliation: Department of Nutrition and Food Evaluation, Faculty of Chemical and Food Technology of the Slovak University of Technology, Radlinského 9, SK-812 37, Bratislava, Slovak Republic. hozova@yahoo.com
authors.forename: Bernadetta
authors.initials: B
authors.lastname: Hozová
authors.forename: Iveta
authors.initials: I
authors.lastname: Kukurová
authors.forename: Ladislav
authors.initials: L
authors.lastname: Dodok
mesh_terms: D000681:Amylases / Q000378:metabolism*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003116:Color; D003296:Cooking; D010450:Endopeptidases / Q000378:metabolism*; D005433:Flour / Q000032:analysis / Q000592:standards; D005511:Food Handling / Q000379:methods*; D005519:Food Preservation / Q000379:methods; D005524:Food Technology / Q000379:methods*; D005525:Food-Processing Industry; D006026:Glycoside Hydrolases / Q000378:metabolism*; D006801:Humans; D009812:Odorants / Q000032:analysis; D013649:Taste; D013997:Time Factors; D011503:Transglutaminases / Q000378:metabolism*
chemical_list: D011503:Transglutaminases; D000681:Amylases; D006026:Glycoside Hydrolases; C023305:hemicellulase; D010450:Endopeptidases