Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain

It is important to know the thermal and storage behavior of produced protein for the purpose of storage, transport and shelve life during industrial application. Differential Scanning Calorimetry (DSC) is used to measure the thermal and storage stability of recombinant bromelain produced in our labo...

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Main Authors: Ismail, Nurul Azira, Amid, Azura
Format: Article
Language:English
Published: Faculty of Food Science and Technology, Universiti Putra Malaysia 2012
Subjects:
Online Access:http://irep.iium.edu.my/2375/
http://irep.iium.edu.my/2375/1/Bromelain-IFRJ.pdf
id iium-2375
recordtype eprints
spelling iium-23752012-03-22T01:58:30Z http://irep.iium.edu.my/2375/ Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain Ismail, Nurul Azira Amid, Azura Q Science (General) It is important to know the thermal and storage behavior of produced protein for the purpose of storage, transport and shelve life during industrial application. Differential Scanning Calorimetry (DSC) is used to measure the thermal and storage stability of recombinant bromelain produced in our laboratory. Recombinant bromelain thermal and storage stability were measured and compared to the commercial bromelain. The purified recombinant bromelain was powderized using freeze drying method and its transition midpoint, crystallinity and enthalpy were recorded. Recombinant bromelain is more stable than commercial bromelain at higher temperature but the stability reduced after 7 days of storage at 4oC although its activity is lower than commercial at day 1 and 7. Higher energy is needed to break the bond between amino acid chains in recombinant bromelain showing by the enthalpy recorded suggesting that recombinant bromelain has good protein structure and conformation compared to commercial. Faculty of Food Science and Technology, Universiti Putra Malaysia 2012 Article PeerReviewed application/pdf en http://irep.iium.edu.my/2375/1/Bromelain-IFRJ.pdf Ismail, Nurul Azira and Amid, Azura (2012) Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain. International Food Research Journal, 19 (2). pp. 727-731. ISSN 19854668 (P), 22317546 (O)
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic Q Science (General)
spellingShingle Q Science (General)
Ismail, Nurul Azira
Amid, Azura
Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain
description It is important to know the thermal and storage behavior of produced protein for the purpose of storage, transport and shelve life during industrial application. Differential Scanning Calorimetry (DSC) is used to measure the thermal and storage stability of recombinant bromelain produced in our laboratory. Recombinant bromelain thermal and storage stability were measured and compared to the commercial bromelain. The purified recombinant bromelain was powderized using freeze drying method and its transition midpoint, crystallinity and enthalpy were recorded. Recombinant bromelain is more stable than commercial bromelain at higher temperature but the stability reduced after 7 days of storage at 4oC although its activity is lower than commercial at day 1 and 7. Higher energy is needed to break the bond between amino acid chains in recombinant bromelain showing by the enthalpy recorded suggesting that recombinant bromelain has good protein structure and conformation compared to commercial.
format Article
author Ismail, Nurul Azira
Amid, Azura
author_facet Ismail, Nurul Azira
Amid, Azura
author_sort Ismail, Nurul Azira
title Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain
title_short Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain
title_full Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain
title_fullStr Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain
title_full_unstemmed Differential Scanning Calorimetry as tool in observing thermal and storage stability of recombinant Bromelain
title_sort differential scanning calorimetry as tool in observing thermal and storage stability of recombinant bromelain
publisher Faculty of Food Science and Technology, Universiti Putra Malaysia
publishDate 2012
url http://irep.iium.edu.my/2375/
http://irep.iium.edu.my/2375/1/Bromelain-IFRJ.pdf
first_indexed 2023-09-18T20:09:58Z
last_indexed 2023-09-18T20:09:58Z
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