keratin were 10,240 and 10,000 respectively. This GPC data agrees
with published data that feather keratin consists of 96 amino acid
residues and has a molecular weight of 10,206 [6]. The polydispersion
degree was at the level of 1.024, which shows that the
extracted keratin was uniform in its molecular weight. However,
the yield of extracted keratin was less 25%, probably because keratin
was degraded to amino acids and small peptides and not
separated from reaction mixture completely.
4. Conclusions
The eco-friendly ionic liquid [HOEMIm][NTf2] could be a suitable
solvent and catalyst for dissolving feathers. To our knowledge,
this should be the first report concerning the dissolution of feathers
in a hydrophobic ionic liquid and an easy separation of extracted
keratin.
keratin were 10,240 and 10,000 respectively. This GPC data agreeswith published data that feather keratin consists of 96 amino acidresidues and has a molecular weight of 10,206 [6]. The polydispersiondegree was at the level of 1.024, which shows that theextracted keratin was uniform in its molecular weight. However,the yield of extracted keratin was less 25%, probably because keratinwas degraded to amino acids and small peptides and notseparated from reaction mixture completely.4. ConclusionsThe eco-friendly ionic liquid [HOEMIm][NTf2] could be a suitablesolvent and catalyst for dissolving feathers. To our knowledge,this should be the first report concerning the dissolution of feathersin a hydrophobic ionic liquid and an easy separation of extractedkeratin.
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