Effect of temperature and pH on the activity of the hydrolytic enzymes of the cecal region of Guinea Pig (Cavia porcellus)

M. García, S. Suarez, F. Carcelen, J. Olazabal

Research output: Contribution to journalArticle

Abstract

© 2019, UCOPress. Cordoba University Press (UCOPress Editorial Universidad de Córdoba). All rights reserved. The aim of this study was to evaluate the effect of temperature and pH on the activity of hydrolytic enzymes in the cecal region of guinea pigs (Cavia porcellus). This is the first report on enzymatic activity in guinea pigs, showing that there is amilolytic, cellulolytic, proteolytic and lipolytic activity. The values of the evaluated activities were in the following ranges: amylolitic activity (0.150-0.499 U / mg protein), cellulolytic (0.013-0.022 U/mg protein), proteolytic (0.104-0.290 U / mg protein) and lipolytic (2.227-4.049 U/mg protein). Both in the cellulolytic, lipolytic and proteolytic activity there was interaction between temperature and pH. The amylolytic activity was only affected by the temperature, evidencing greater enzymatic activity at a higher temperature (40 ° C). The amylolytic activity is stable at any of the three pHs tested in this study. In addition, the amylolytic activity was 10 times higher than the cellulolytic activity.
Original languageAmerican English
Pages (from-to)356-360
Number of pages5
JournalArchivos de Zootecnia
DOIs
StatePublished - 1 Jan 2019

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