Determination of amylase activity in cotyledons of Phaseolus vulgaris L. cv. carioca
Determination of α- and β-amylase activity in the extracts of cotyledons of Phaseolus vulgaris L. cv. cariocawas done using selective inactivation of α-amylase by lowering the pH of the incubation medium or by the use of EDTA as inhibitor or selective inactivation of &...
Main Authors: | , |
---|---|
Format: | Article |
Language: | English |
Published: |
Instituto de Tecnologia do Paraná (Tecpar)
1998-06-01
|
Series: | Brazilian Archives of Biology and Technology |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131998000100003 |
Summary: | Determination of α- and β-amylase activity in the extracts of cotyledons of Phaseolus vulgaris L. cv. cariocawas done using selective inactivation of α-amylase by lowering the pH of the incubation medium or by the use of EDTA as inhibitor or selective inactivation of β-amylase by the use of HgCl2 or by heating to 70ºC in the presence of CaCl2; and still by using the reagent starch azure for specific determination of α-amylase. Results indicated that the methods used were inappropriate in this case, being indicated the determination of total amylase activity. |
---|---|
ISSN: | 1516-8913 1678-4324 |