Isolation and characterization of cellulose nanocrystals from jackfruit peel

In the present work, sustainable nanomaterials, cellulose, and spherical cellulose nanocrystals (SCNCs) were isolated from the non-edible parts of jackfruit ( Artocarpus heterophyllus) . Of the three different methods tested, sodium chlorite treatment produced the highest yield of cellulose, 20.08 ±...

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Veröffentlicht in:Scientific reports 2019-11, Vol.9 (1), p.16709-8, Article 16709
Hauptverfasser: Trilokesh, C., Uppuluri, Kiran Babu
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Sprache:eng
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Zusammenfassung:In the present work, sustainable nanomaterials, cellulose, and spherical cellulose nanocrystals (SCNCs) were isolated from the non-edible parts of jackfruit ( Artocarpus heterophyllus) . Of the three different methods tested, sodium chlorite treatment produced the highest yield of cellulose, 20.08 ± 0.05% w/w (dry weight). Peaks observed in CP/MAS 13 C NMR spectrum and FTIR frequencies revealed the presence of α-cellulose and absence of other biomass fractions like hemicellulose and lignin. XRD analysis showed a high crystallinity of 83.42%. An appearance of a sharp endothermal peak at 323 °C in DSC and decomposition patterns between 310–420 °C of TGA confirms the presence of cellulose. Further, Sulphuric acid hydrolysis was employed to produce SCNCs and examined by TEM for the morphology and by HPLC for the presence of glucose.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-53412-x