Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation
White pepper is generally produced via water retting process to decorticate the pericarp of green pepper. The decorticated pericarp is considered as an agro-industrial waste and environmental pollutant as many farmers still discard the waste into the rivers. These wastes majorly contain cellulose,...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Penerbit Universiti Kebangsaan Malaysia
2020
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| Online Access: | http://journalarticle.ukm.my/15788/1/17.pdf |
| _version_ | 1796932318282121216 |
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| author | Ain Nadiah Sofiah Ahmad Khorairi, Noor Soffalina Sofian-Seng, Rizafizah Othaman, Khairul Farihan Kasim, |
| author_facet | Ain Nadiah Sofiah Ahmad Khorairi, Noor Soffalina Sofian-Seng, Rizafizah Othaman, Khairul Farihan Kasim, |
| author_sort | Ain Nadiah Sofiah Ahmad Khorairi, |
| collection | UKM |
| description | White pepper is generally produced via water retting process to decorticate the pericarp of green pepper. The
decorticated pericarp is considered as an agro-industrial waste and environmental pollutant as many farmers still
discard the waste into the rivers. These wastes majorly contain cellulose, hemicellulose, pectin, and other organic
compound. Cellulose was obtained from alkaline treatment (4 wt. % sodium hydroxides, NaOH) followed by bleaching
process. This study reports the effect of soaking cycle in bleaching treatment on the chemical structure and thermal
degradation of cellulose. The cellulose obtained from pepper (Piper nigrum L.) pericarp waste were characterised
by colour analysis, Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). Increased
number of bleaching cycles produced a whiter colour and high thermal stability of cellulose powder. The whiteness
index (WI) for high bleaching cycle sample was found significantly high (p<0.05) with the value of 77.00 ± 1.10.
Thermal analysis indicates a derivative thermogravimetric analysis (DTG) peak at 332 °C. The FTIR spectrum proven
that the condition of bleaching treatment changes the absorption intensity at bands 1732, 1540, and 1460 cm-1 which
due to the loss of hemicellulose and lignin. The use of pepper pericarp waste that is usually discarded may provide a
sustainable alternative for the production of cellulose. |
| first_indexed | 2024-03-06T04:31:02Z |
| format | Article |
| id | ukm.eprints-15788 |
| institution | Universiti Kebangsaan Malaysia |
| language | English |
| last_indexed | 2024-03-06T04:31:02Z |
| publishDate | 2020 |
| publisher | Penerbit Universiti Kebangsaan Malaysia |
| record_format | dspace |
| spelling | ukm.eprints-157882020-11-22T15:26:51Z http://journalarticle.ukm.my/15788/ Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation Ain Nadiah Sofiah Ahmad Khorairi, Noor Soffalina Sofian-Seng, Rizafizah Othaman, Khairul Farihan Kasim, White pepper is generally produced via water retting process to decorticate the pericarp of green pepper. The decorticated pericarp is considered as an agro-industrial waste and environmental pollutant as many farmers still discard the waste into the rivers. These wastes majorly contain cellulose, hemicellulose, pectin, and other organic compound. Cellulose was obtained from alkaline treatment (4 wt. % sodium hydroxides, NaOH) followed by bleaching process. This study reports the effect of soaking cycle in bleaching treatment on the chemical structure and thermal degradation of cellulose. The cellulose obtained from pepper (Piper nigrum L.) pericarp waste were characterised by colour analysis, Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). Increased number of bleaching cycles produced a whiter colour and high thermal stability of cellulose powder. The whiteness index (WI) for high bleaching cycle sample was found significantly high (p<0.05) with the value of 77.00 ± 1.10. Thermal analysis indicates a derivative thermogravimetric analysis (DTG) peak at 332 °C. The FTIR spectrum proven that the condition of bleaching treatment changes the absorption intensity at bands 1732, 1540, and 1460 cm-1 which due to the loss of hemicellulose and lignin. The use of pepper pericarp waste that is usually discarded may provide a sustainable alternative for the production of cellulose. Penerbit Universiti Kebangsaan Malaysia 2020-08 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/15788/1/17.pdf Ain Nadiah Sofiah Ahmad Khorairi, and Noor Soffalina Sofian-Seng, and Rizafizah Othaman, and Khairul Farihan Kasim, (2020) Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation. Sains Malaysiana, 49 (8). pp. 1951-1957. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid49bil8_2020/KandunganJilid49Bil8_2020.html |
| spellingShingle | Ain Nadiah Sofiah Ahmad Khorairi, Noor Soffalina Sofian-Seng, Rizafizah Othaman, Khairul Farihan Kasim, Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation |
| title | Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation |
| title_full | Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation |
| title_fullStr | Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation |
| title_full_unstemmed | Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation |
| title_short | Cellulose powder from Piper nigrum L. agro-industrial waste: effect of preparation condition on chemical structure and thermal degradation |
| title_sort | cellulose powder from piper nigrum l agro industrial waste effect of preparation condition on chemical structure and thermal degradation |
| url | http://journalarticle.ukm.my/15788/1/17.pdf |
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