COMPOSITIONAL ANALYSIS AND YIELD OPTIMIZATION OF XYLAN EXTRACTION FROM RENEWABLE AGRO-INDUSTRIAL WASTE
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Keywords
Corn husk, agro-industrial waste, hemicellulose, xylan
Abstract
Agro-industrial waste is mostly composed of biomass derived from lignocellulose. Lignocellulose waste has been receiving great interest due to its readily available nature, mechanical and thermal capabilities, cost-effectiveness, low toxicity, biodegradability and renewable qualities. Corn husk is a renewable lignocellulosic biomass resource with significant potential for sustainable development and agricultural waste utilization. It contains cellulose, hemicellulose and lignin components. The main component of hemicellulose is xylan that can be used as a raw material or an intermediate in food and non-food industries. Current investigation is based on the yield optimization of xylan extraction from renewable agro-industrial waste after the determination of compositional analysis of corn husk that showed the high amount of organic, cellulose and hemicellulose content in it. Furthermore, extraction of xylan from corn husk was done by using steam as a pretreatment method that weakened the link between lignin, cellulose and hemicellulose making xylan available for extraction. After pretreatment, 12% NaOH was used for xylan extraction that produced high yield followed by the determination of reducing sugars (63 % xylose, 23 % arabinose and 14 % glucose) in its structure.
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Aiza Zafar
Department of Food Science and Technology, Government College Women University, Faisalabad. Pakistan
Mahwash Aziz
Department of Food Science and Technology, Government College Women University, Faisalabad. Pakistan
Rizwana Batool
Department of Food Science and Technology, Government College Women University, Faisalabad. Pakistan
Adan Naeem
Department of Food Science and Technology, Government College Women University, Faisalabad. Pakistan