The low lignin content in E. crassipes makes this material attractive for the production of ethanol, as previously suggested (Satyanagalakshmi et al. Res. The high content of extractives in E. crassipes can have a negative impact if the plant is used as raw material for pulping processes because extractives increase chemical consumption. Regarding polysaccharides in the water hyacinth samples, the holocellulose content ranged from 11.4 to 43.3 wt.% (Table 1). “Chemical profiles of wood components of poplar clones for their energy utilization,” Energies 5(12), 5243-5256. Higher ash content was found in the samples collected from TR compared with the samples obtained from YL. (2012), 22.9% by Fileto-Pérez et al. %, which is smaller than the values reported in other studies for the same species: 48.7% (Kumar et al. Potassium, calcium, and silicon are the major constituents present in the ash of this plant. “Phytochemical evaluation of plants of Western Ghats of Tamil Nadu, India,” Asian Journal of Chemistry 17(4), 2076-2080. This article is dedicated to the memory of Francisco Javier Pérez Medina (Universidad Michoacana de San Nicolás de Hidalgo, México). “Biodegradation of lignocellulosic residues of water hyacinth (Eichhornia crassipes) and response surface methodological approach to optimize bioethanol production using fermenting yeast Pachysolen tannophilus NRRL Y-2460,” International Journal of Biological, Veterinary, Agricultural and Food Engineering 8(2), 157-162. All tests were repeated six times. Rutiaga-Quiñones, J. G., Pedraza-Bucio, F. E., and López-Albarrán, P. (2010). Solms), Javier S. Lara-Serrano,a O. Miriam Rutiaga-Quiñones,b Javier López-Miranda,b Héctor A. Fileto-Pérez,b Fabiola E. Pedraza-Bucio,c José L. Rico-Cerda,d and José G. Rutiaga-Quiñones e,*. The high concentration of inorganic substances (Table 2) makes this plant attractive to use as compost because minerals are important for plant growth (Restrepo and Pinheiro 2009). Table 3. The results indicated that chemical elements of water hyacinth are C, O, Na, Mg, Al, Zr, Cl, K, Ca, Si, Ti, and Fe revealing dominant elements, i.e., oxygen and carbon for 49.50% and 14.46%, respectively. Fco. A., Babayemi, O. J., and Akinsoyinu, A. O. Irwin and Barneby),” Revista Chapingo Serie Ciencias Forestales y del Ambiente 19(1), 115-124. It is known that hot alkali solution extracts low-molecular-weight carbohydrates consisting mainly of hemicellulose and degraded cellulose and this treatment can influence the natural durability of lignocellulosic materials (TAPPI T212 om-98 2000). “Componentes químicos del duramen de Andira inermis (W. Wright) DC. Tannins in Roots, Stems, and Leaves from E. crassipes (wt. The calorific value was also determined in the extractives-free material, lignin, and holocellulose in the same process as the original material. Fig. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. 2012; Awasthi et al. Each flower measures four to seven cm in diameter, and each stalk bears, on average, between six and 10 flowers. As the plant reproduces, it spreads outwards, meaning that patches of water hyacinth are often a couple of meters wide. Reales-Alfaro, J. G., Trujillo, L. T., Arzuaga, G., Castaño, H., and Polo, A. The authors thank Dra. The plant portions smaller than 420 µm were used in our study. The total extractives content was determined by successive Soxhlet extractions using various organic solvents (cyclohexane, acetone, and methanol) and finally hot water under reflux.
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