Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties
Crushed oil palm fruit bunches from the continuous sterilization system cause damages and bruising of the fruits, yielding high lipase enzyme reaction if no heating pre-treatment was carried out immediately. Thus, this study was proposed to acquire the free fatty acid content (FFA) release rate and...
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| Format: | Article |
| Language: | English |
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eSAT Publishing House
2014
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| Online Access: | http://psasir.upm.edu.my/id/eprint/37209/ http://psasir.upm.edu.my/id/eprint/37209/1/Effect%20of%20chopping%20oil%20palm%20fruit%20spikelets%20on%20the%20free%20fatty%20acid%20content%20release%20rate%20and%20its%20mechanical%20properties.pdf |
| _version_ | 1848848547160522752 |
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| author | Ali, Fatin Syakirah Shamsuddin, Rosnah Yunus, Robiah |
| author_facet | Ali, Fatin Syakirah Shamsuddin, Rosnah Yunus, Robiah |
| author_sort | Ali, Fatin Syakirah |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Crushed oil palm fruit bunches from the continuous sterilization system cause damages and bruising of the fruits, yielding high lipase enzyme reaction if no heating pre-treatment was carried out immediately. Thus, this study was proposed to acquire the free fatty acid content (FFA) release rate and to determine the mechanical properties of chopped oil palm fruit spikelets. The fruit spikelets were chopped by using two different methods, which were manually chopping using a knife blade and utilizing a fabricated chopper blade. Damages obtained from the manually chopped using the knife blade were classified into two categories, which were minor and major damage. The chopper blade was fixed on the Instron Machine to obtain its mechanical properties, such as rupture force, deformation at rupture, hardness and energy at the break of the fruit spikelets. The chopped fruit spikelets were stored at different storage periods ranging between 0hr to 2hr at room temperature. Extraction of palm oil was extracted using the Soxhlet extractor and the FFA content of the palm oil was determined through titration method. Results showed that the mean rupture force, deformation at rupture, hardness and energy at break required when chopping the fruit spikelets were 2781N, 45.53mm, 61.02 N/mm and 36.71J respectively. The development of FFA content was highly influenced by the damaged area of the fruits and the length of storage periods. This is due to the development of lipase enzyme activity that occurred in the damaged cells, therefore simultaneously increasing the rate of FFA content released. |
| first_indexed | 2025-11-15T09:36:14Z |
| format | Article |
| id | upm-37209 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T09:36:14Z |
| publishDate | 2014 |
| publisher | eSAT Publishing House |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-372092015-08-25T06:46:08Z http://psasir.upm.edu.my/id/eprint/37209/ Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties Ali, Fatin Syakirah Shamsuddin, Rosnah Yunus, Robiah Crushed oil palm fruit bunches from the continuous sterilization system cause damages and bruising of the fruits, yielding high lipase enzyme reaction if no heating pre-treatment was carried out immediately. Thus, this study was proposed to acquire the free fatty acid content (FFA) release rate and to determine the mechanical properties of chopped oil palm fruit spikelets. The fruit spikelets were chopped by using two different methods, which were manually chopping using a knife blade and utilizing a fabricated chopper blade. Damages obtained from the manually chopped using the knife blade were classified into two categories, which were minor and major damage. The chopper blade was fixed on the Instron Machine to obtain its mechanical properties, such as rupture force, deformation at rupture, hardness and energy at the break of the fruit spikelets. The chopped fruit spikelets were stored at different storage periods ranging between 0hr to 2hr at room temperature. Extraction of palm oil was extracted using the Soxhlet extractor and the FFA content of the palm oil was determined through titration method. Results showed that the mean rupture force, deformation at rupture, hardness and energy at break required when chopping the fruit spikelets were 2781N, 45.53mm, 61.02 N/mm and 36.71J respectively. The development of FFA content was highly influenced by the damaged area of the fruits and the length of storage periods. This is due to the development of lipase enzyme activity that occurred in the damaged cells, therefore simultaneously increasing the rate of FFA content released. eSAT Publishing House 2014-01 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/37209/1/Effect%20of%20chopping%20oil%20palm%20fruit%20spikelets%20on%20the%20free%20fatty%20acid%20content%20release%20rate%20and%20its%20mechanical%20properties.pdf Ali, Fatin Syakirah and Shamsuddin, Rosnah and Yunus, Robiah (2014) Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties. International Journal of Research in Engineering and Technology, 3 (1). pp. 511-516. ISSN 2321-7308; ESSN: 2319-1163 http://www.ijret.org/Archive?VI=20140301 |
| spellingShingle | Ali, Fatin Syakirah Shamsuddin, Rosnah Yunus, Robiah Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| title | Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| title_full | Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| title_fullStr | Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| title_full_unstemmed | Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| title_short | Effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| title_sort | effect of chopping oil palm fruit spikelets on the free fatty acid content release rate and its mechanical properties |
| url | http://psasir.upm.edu.my/id/eprint/37209/ http://psasir.upm.edu.my/id/eprint/37209/ http://psasir.upm.edu.my/id/eprint/37209/1/Effect%20of%20chopping%20oil%20palm%20fruit%20spikelets%20on%20the%20free%20fatty%20acid%20content%20release%20rate%20and%20its%20mechanical%20properties.pdf |