Impact of commercial pectolytic enzymes on selected properties of white dragon fruit juice
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The Institution of Engineers, Malaysia
2011
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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 |
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Universiti Malaysia Perlis |
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| language |
English |
| topic |
Chemical composition Commercial enzyme Dragon fruit Total polyphenols Vitamin C |
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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 |
13.214268 |