Desillerat vatten amylas Amylase is a digestive enzyme predominantly secreted by the pancreas and salivary glands and is present in other tissues at minimal levels. [1] Amylase was initially described in the early s and is one of the pioneering enzymes to undergo scientific investigation. 1 2 Amylas är en grupp enzymer som spjälkar kolhydrater, genom att katalysera hydrolys av α-1,4-glykosidbindningar mellan monosackarider i stärkelse och glykogen [1] [2]. Reaktionen resulterar i att substratmolekylerna sönderfaller i fragment om två glukosmolekyler, maltos, alternativt enstaka glukosmolekyler eller oligosackarider [1] [2]. 3 4 Although found in many tissues, amylase is most prominent in pancreatic juice and saliva, each of which has its own isoform of human α-amylase. They behave differently on isoelectric focusing, and can also be separated in testing by using specific monoclonal antibodies. 5 In animals, it is a major digestive enzyme, and its optimum pH is – [3] In human physiology, both the salivary and pancreatic amylases are α-amylases. The α-amylase form is also found in plants, fungi (ascomycetes and basidiomycetes) and bacteria (Bacillus). 6 Beta-amylase is found in bacteria, fungi, and plants; bacteria and cereal sources are the most heat stable. Working from the non-reducing end, β-amylase catalyzes the hydrolysis of the second α-1,4 glycosidic bond, cleaving off two glucose units (maltose) at a time. 7 8 vatten och fått gro. 9 Bain-Marie, Wasserbad, Bain-Marie sind die besten Übersetzungen von „vattenbad” aus dem Schwedisch ins Deutsch. 10