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Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice

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Main Authors: Nur ‘Alia, A. R., Siti Mazlina, Mustapha Kamal, Taip, F. S.
Other Authors: aliaa@eng.upm.edu.my
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Chemical composition
Commercial enzyme
Dragon fruit
Total polyphenols
Vitamin C
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13721
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spelling my.unimap-137212011-09-13T01:57:51Z Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice Nur ‘Alia, A. R. Siti Mazlina, Mustapha Kamal Taip, F. S. aliaa@eng.upm.edu.my Chemical composition Commercial enzyme Dragon fruit Total polyphenols Vitamin C Link to publisher's homepage at http://www.myiem.org.my/ The aim of this work was to observe the effects of commercial enzymes i.e. Pectinex Ultra SP-L and Pectinex CLEAR on the chemical composition, vitamin C and total polyphenols contents of white dragon fruit (Hylocereus undatus) juice. The differences of these properties in fresh fruit pulp and juices produced without enzymatic treatment were also observed. The dragon fruit juice produced after enzymation and pasteurisation has not shown significant changes in most of its major chemical parameters such as moisture, ash, fat, carbohydrate and calorie. However, enzymation using Pectinex CLEAR leads to the juice with higher yield of protein. The protein content after the treatment increased to 0.33% w/w from 0.17% w/w of the fresh juice. Phenolics amounts were slightly higher up to 15% in the enzyme samples which suggest that dragon fruit beverage is rich in antioxidant capacity than in the unprocessed fruit. 2011-09-13T01:57:51Z 2011-09-13T01:57:51Z 2010-12 Article The Journal of the Institution of Engineers, Malaysia, vol. 71(4), 2010, pages 25-31 0126-513X http://www.myiem.org.my/content/iem_journal_2010-181.aspx http://hdl.handle.net/123456789/13721 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Chemical composition
Commercial enzyme
Dragon fruit
Total polyphenols
Vitamin C
spellingShingle Chemical composition
Commercial enzyme
Dragon fruit
Total polyphenols
Vitamin C
Nur ‘Alia, A. R.
Siti Mazlina, Mustapha Kamal
Taip, F. S.
Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
description Link to publisher's homepage at http://www.myiem.org.my/
author2 aliaa@eng.upm.edu.my
author_facet aliaa@eng.upm.edu.my
Nur ‘Alia, A. R.
Siti Mazlina, Mustapha Kamal
Taip, F. S.
format Article
author Nur ‘Alia, A. R.
Siti Mazlina, Mustapha Kamal
Taip, F. S.
author_sort Nur ‘Alia, A. R.
title Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
title_short Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
title_full Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
title_fullStr Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
title_full_unstemmed Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
title_sort impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13721
_version_ 1643791007190351872
score 13.222552

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