Screening of variables in beta-xylosidase recovery using cetyl trimethyl ammonium bromide reversed micelles.

Abstract:

:Beta-xylosidase recovery by micelles using cetyl trimethyl ammonium bromide (CTAB) cationic surfactant was verified under different experimental conditions. A 2(5-1) fractional factorial design with center points was employed to verify the influence of the following factors on enzyme extraction: pH (x1), CTAB concentration (x2), electrical conductivity (x3), hexanol concentration (x4), and butanol concentration (x). Statistical analysis of the results shows that of the five variables studied only hexanol and electrical conductivity did not have significant effects on the recovery of beta-xylosidase. The other factors had significant effects in increasing order: (x1) > (x2) > (x5). The model predicts a recovery value of about 45%, which is similar to that obtained experimentally (43.5%).

authors

Hasmann FA,Pessoa A Jr,Roberto IC

doi

10.1385/abab:91-93:1-9:719

subject

Has Abstract

pub_date

2001-04-01 00:00:00

pages

719-28

eissn

0273-2289

issn

1559-0291

journal_volume

91-93

pub_type

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