PENGARUH PENAMBAHAN LIGNIN TERHADAP STABILITAS TERMAL BIOKOMPOSIT POLIASAM LAKTAT / LIGNIN
نویسندگان
چکیده
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Lignin is one of the most abundant aromatic biopolymers and a major component of plant cell walls. It occurs via oxidative coupling of monolignols, which are synthesized from the phenylpropanoid pathway. Lignin is the primary material responsible for biomass recalcitrance, has almost no industrial utility, and cannot be simply removed from growing plants without causing serious developmental de...
متن کاملLignin engineering.
Lignins are aromatic polymers that are present mainly in secondarily thickened plant cell walls. Several decades of research have elucidated the main biosynthetic routes toward the monolignols and demonstrated that lignin amounts can be engineered and that plants can cope with large shifts in p-hydroxyphenyl/guaiacyl/syringyl (H/G/S) lignin compositional ratios. It has also become clear that li...
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The mechanism by which lignin peroxidase (Lip) interacts with the lignin polymer is discussed. Veratryl alcohol (Valc), a secondary metabolite of white rot fungi, acts as a cofactor for the enzyme. The Lip-redox cycle is discussed in terms of Marcus theory of electron transfer. It is proposed that reaction of a nucleophile in the active site channel with the incipient Valc'. is an essential eve...
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Protic ionic liquids (PILs) have been established as effective solvents for the selective extraction and recovery of lignin from lignocellulosic biomass. In this study, we utilize extensive analytical techniques to characterize the PIL-extracted lignins to (1) expand on the physical/chemical structure, and to (2) develop a better understanding of the mechanism behind the lignin dissolution proc...
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ژورنال
عنوان ژورنال: Jurnal Penelitian Pascapanen Pertanian
سال: 2018
ISSN: 2541-4054,0216-1192
DOI: 10.21082/jpasca.v14n1.2017.46-52