Improvement of lignocellulosic biomass in planta: A review of feedstocks, biomass recalcitrance, and strategic manipulation of ideal plants designed for ethanol production and processability

Literature Review on Furfural Production from Lignocellulosic Biomass

“…Industrial and urban residues include solid residues, sewage sludge and industrial residues [1] [6]. Sources of plant biomass, such as agriculture residues and energetic crops, are excellent alternatives for feedstocks once they present high biomass productivity, high sugar content, are easy to grow having extensive cultivation in short period of time, are tolerant to drought, to high temperatures, to floods and saline stress, as well as have low soil demands [22].…”

“…While, in softwood, the most abundant structural block is glucomannan, a polymer with a linear chain of D-mannose and D-glucose connected by β-1,4 glycosidic bonds and some branches. Some of the sugars present in hemicelluloses associate with lignin, forming carbohydrate-lignin complexes, making enzymatic cleavage of lignocellulosic residues more complicated [6] [10] [22].…”

Efecto del pretratamiento químico y enzimático en la deslignificación de biomasa agroindustrial típica del cauca

“…La biomasa vegetal se refiere a los tejidos vegetales presentes en residuos agrícolas y agroindustriales, ricos en polisacáridos de celulosa y hemicelulosa, que representan un alto potencial para su transformación en monosacáridos como la glucosa y xilosa. En general la composición de celulosa está entre 25 y 55%, de hemicelulosa entre 20 y 50% y lignina entre 5 y 30% [1,2,3]. Adicionalmente, la biomasa lignocelulósica contiene gran variedad de compuestos orgánicos como (grasas, ceras, alcaloides, proteínas, fenoles simples y complejos, entre otros) y compuestos inorgánicos, como las cenizas, que corresponden al 2% del peso seco [3].…”

Can we create “Elite Rice”—a multifunctional crop for food, feed, and bioenergy production?

“…Nevertheless, the presence of lignin in rice straw limits polysaccharide digestibility in animals. Lignin also hampers the ethanol production process: through their negative effects on ethanol-fermenting microorganisms, lignin degradation products obstruct the fermentation of sugars into ethanol [3]. Reduction of lignin content is therefore of interest for development of multifunctional rice plants.…”

“…Agricultural wastes such as corn stover, sugarcane bagasse, and wheat straw and dedicated energy crops such as poplar, switchgrass, miscanthus, and sweet sorghum are being evaluated as potentially important feedstocks for cellulosic ethanol production; these substrates are likely of interest because of their abundance and availability in leading bioenergy nations [3].…”