Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil

Two-level full factorial design was applied to screen the important parameters for production of xylanase by newly isolated Bacillus sp. from landfill soil. Five production parameters were considered: initial pH media (pH 5–9), inoculum size (5%–10% v/v), incubation period (18–30 h), temperature (30...

Disgrifiad llawn

Manylion Llyfryddiaeth
Prif Awduron: Siti Nor Amira, Rosli, Rohaida, Che Man, N., Masngut
Fformat: Conference or Workshop Item
Iaith:English
Cyhoeddwyd: IOP Publishing 2019
Pynciau:
Mynediad Ar-lein:http://umpir.ump.edu.my/id/eprint/28277/1/Factorial%20experimental%20design%20for%20xylanase.pdf
_version_ 1825813324509478912
author Siti Nor Amira, Rosli
Rohaida, Che Man
N., Masngut
author_facet Siti Nor Amira, Rosli
Rohaida, Che Man
N., Masngut
author_sort Siti Nor Amira, Rosli
collection UMP
description Two-level full factorial design was applied to screen the important parameters for production of xylanase by newly isolated Bacillus sp. from landfill soil. Five production parameters were considered: initial pH media (pH 5–9), inoculum size (5%–10% v/v), incubation period (18–30 h), temperature (30-50 °C) and agitation speed (0-200 rpm). Xylanase activity was estimated using dinitrosalicylic acid (DNS) based on the xylose released under specified assay conditions. Based on the factorial analysis, it was observed that the significant parameters in the xylanase production were temperature, agitation speed and initial pH of media. Meanwhile, the interaction between temperature and initial pH of media gave the highest influenced to the xylanase production. The model revealed that the highest xylanase activity can be achieved at 123.34 U/mL with initial pH media of 7.0, 30 h incubation period, 5% (v/v) inoculum size, agitation speed of 100 rpm at 40 °C. Confirmation run produced the highest experimental xylanase activity by Bacillus sp. at 123.10 U/mL with 0.17% of error than the predicted one. Hence, the model was reliably predicting the xylanase production.
first_indexed 2024-03-06T12:42:17Z
format Conference or Workshop Item
id UMPir28277
institution Universiti Malaysia Pahang
language English
last_indexed 2024-03-06T12:42:17Z
publishDate 2019
publisher IOP Publishing
record_format dspace
spelling UMPir282772020-04-30T03:52:19Z http://umpir.ump.edu.my/id/eprint/28277/ Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil Siti Nor Amira, Rosli Rohaida, Che Man N., Masngut TP Chemical technology Two-level full factorial design was applied to screen the important parameters for production of xylanase by newly isolated Bacillus sp. from landfill soil. Five production parameters were considered: initial pH media (pH 5–9), inoculum size (5%–10% v/v), incubation period (18–30 h), temperature (30-50 °C) and agitation speed (0-200 rpm). Xylanase activity was estimated using dinitrosalicylic acid (DNS) based on the xylose released under specified assay conditions. Based on the factorial analysis, it was observed that the significant parameters in the xylanase production were temperature, agitation speed and initial pH of media. Meanwhile, the interaction between temperature and initial pH of media gave the highest influenced to the xylanase production. The model revealed that the highest xylanase activity can be achieved at 123.34 U/mL with initial pH media of 7.0, 30 h incubation period, 5% (v/v) inoculum size, agitation speed of 100 rpm at 40 °C. Confirmation run produced the highest experimental xylanase activity by Bacillus sp. at 123.10 U/mL with 0.17% of error than the predicted one. Hence, the model was reliably predicting the xylanase production. IOP Publishing 2019 Conference or Workshop Item PeerReviewed pdf en cc_by http://umpir.ump.edu.my/id/eprint/28277/1/Factorial%20experimental%20design%20for%20xylanase.pdf Siti Nor Amira, Rosli and Rohaida, Che Man and N., Masngut (2019) Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil. In: IOP Conference Series: Materials Science and Engineering, Energy Security and Chemical Engineering Congress , 17-19 July 2019 , Kuala Lumpur, Malaysia. pp. 1-10., 736 (022074). ISSN 1757-899X (Published) https://doi.org/10.1088/1757-899X/736/2/022074
spellingShingle TP Chemical technology
Siti Nor Amira, Rosli
Rohaida, Che Man
N., Masngut
Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil
title Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil
title_full Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil
title_fullStr Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil
title_full_unstemmed Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil
title_short Factorial experimental design for xylanase production by Bacillus sp. isolated from Malaysia landfill soil
title_sort factorial experimental design for xylanase production by bacillus sp isolated from malaysia landfill soil
topic TP Chemical technology
url http://umpir.ump.edu.my/id/eprint/28277/1/Factorial%20experimental%20design%20for%20xylanase.pdf
work_keys_str_mv AT sitinoramirarosli factorialexperimentaldesignforxylanaseproductionbybacillusspisolatedfrommalaysialandfillsoil
AT rohaidacheman factorialexperimentaldesignforxylanaseproductionbybacillusspisolatedfrommalaysialandfillsoil
AT nmasngut factorialexperimentaldesignforxylanaseproductionbybacillusspisolatedfrommalaysialandfillsoil