Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia

Grass is a candidate biomass producer because it is fibrous and it thrives well on poor soils. The chemical properties of two grass species growing naturally and abundantly on idle lands in Malaysia were investigated in this study. The grasses selected were Imperata cylindrical (`Lalang`) and Pennis...

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Main Authors: Liong, Yan Yee, Halis, Rasmina, Mohamed, Rozi
Format: Article
Language:English
Published: Universiti Putra Malaysia Press 2013
Online Access:http://psasir.upm.edu.my/id/eprint/32061/1/10.%20Chemical%20Characterization%20of%20Imperata%20cylindrica%20%28%E2%80%98Lalang%E2%80%99%29%20and.pdf
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author Liong, Yan Yee
Halis, Rasmina
Mohamed, Rozi
author_facet Liong, Yan Yee
Halis, Rasmina
Mohamed, Rozi
author_sort Liong, Yan Yee
collection UPM
description Grass is a candidate biomass producer because it is fibrous and it thrives well on poor soils. The chemical properties of two grass species growing naturally and abundantly on idle lands in Malaysia were investigated in this study. The grasses selected were Imperata cylindrical (`Lalang`) and Pennisetum purpureum (Napier grass). For the purpose of analysis, Napier grass was further divided into male and female plants, and stem and leaves. Lignin, hemicellulose and cellulose contents were determined using the TAPPI standard methods. `Lalang` was found not to be an attractive biomass producer because of its high lignin content (22%) (P<0.05). On the contrary, Napier grass, particularly the female stem, had low lignin content (13%) (P<0.05) and a favourably high level of cellulose (46%) (P<0.05). In the female leaf, lignin content was higher (20.7%), while the cellulose content (30.4%) was lower compared to the stem. Although the cellulose content in the male stem (51%) was slightly higher (P<0.05) than the female, its lignin was two-fold above that of the female stem, making it a less desirable biomass producer. Hence, it was concluded that female Napier grass has a good potential of becoming a biomass producer in bioethanol production in Malaysia.
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spelling upm.eprints-320612015-11-25T05:50:57Z http://psasir.upm.edu.my/id/eprint/32061/ Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia Liong, Yan Yee Halis, Rasmina Mohamed, Rozi Grass is a candidate biomass producer because it is fibrous and it thrives well on poor soils. The chemical properties of two grass species growing naturally and abundantly on idle lands in Malaysia were investigated in this study. The grasses selected were Imperata cylindrical (`Lalang`) and Pennisetum purpureum (Napier grass). For the purpose of analysis, Napier grass was further divided into male and female plants, and stem and leaves. Lignin, hemicellulose and cellulose contents were determined using the TAPPI standard methods. `Lalang` was found not to be an attractive biomass producer because of its high lignin content (22%) (P<0.05). On the contrary, Napier grass, particularly the female stem, had low lignin content (13%) (P<0.05) and a favourably high level of cellulose (46%) (P<0.05). In the female leaf, lignin content was higher (20.7%), while the cellulose content (30.4%) was lower compared to the stem. Although the cellulose content in the male stem (51%) was slightly higher (P<0.05) than the female, its lignin was two-fold above that of the female stem, making it a less desirable biomass producer. Hence, it was concluded that female Napier grass has a good potential of becoming a biomass producer in bioethanol production in Malaysia. Universiti Putra Malaysia Press 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/32061/1/10.%20Chemical%20Characterization%20of%20Imperata%20cylindrica%20%28%E2%80%98Lalang%E2%80%99%29%20and.pdf Liong, Yan Yee and Halis, Rasmina and Mohamed, Rozi (2013) Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia. Pertanika Journal of Tropical Agricultural Science, 36 (S). pp. 109-116. ISSN 1511-3701; ESSN: 2231-8542 http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2036%20(S)%20Dec.%202013/11%20Page%20109-116%20(JTAS%200466-2012).pdf
spellingShingle Liong, Yan Yee
Halis, Rasmina
Mohamed, Rozi
Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia
title Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia
title_full Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia
title_fullStr Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia
title_full_unstemmed Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia
title_short Chemical characterization of imperata cylindrical (`Lalang`) and pennisetum purpureum (Napier grass) for bioethanol production in Malaysia
title_sort chemical characterization of imperata cylindrical lalang and pennisetum purpureum napier grass for bioethanol production in malaysia
url http://psasir.upm.edu.my/id/eprint/32061/1/10.%20Chemical%20Characterization%20of%20Imperata%20cylindrica%20%28%E2%80%98Lalang%E2%80%99%29%20and.pdf
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AT mohamedrozi chemicalcharacterizationofimperatacylindricallalangandpennisetumpurpureumnapiergrassforbioethanolproductioninmalaysia