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Production and characterization of cellulose from the branch and leaves of Gigantochloa atter (Kawayang kayali)

By: Franchette S Alcantara, Jayson T Francisco

Key Words: Cellulose, Cuprammonium hydroxide, FT-IR analysis, Phloroglucinol- HCl, Kawayang kayali

Int. J. Biosci. 14(6), 331-337, June 2019.

DOI: http://dx.doi.org/10.12692/ijb/14.6.331-337

Certification: ijb 2019 0060 [Generate Certificate]

Abstract

Gigantochloa atter (Kawayang kayali) branch and leaves were extracted and characterized as an alternative source to produce cellulose. Delignification and bleaching process were carried out to produce cellulose. The produced cellulose was then characterized through spectroscopic, morphological and several physical properties. The amount of cellulose present in G. atter branch and leaves were 12.5521 ± 0.2655% and 8.3037 ± 0.4733%, respectively, which both appeared to be in amorphous white powder. Meanwhile, result in t– test indicted that there is a significant difference between the two percent yields of cellulose between G. atter samples. The cellulose produced were both soluble in cuprammonium hydroxide and partially soluble in NaOH, implying the absence of noncellulosic components. FT-IR analysis also confirmed through spectral match that the samples produced are both cellulose. In addition, the absence of C=O stretch and aromatic ring of C=C in the spectra implies the removal of lignin for both G. atter samples. Both samples did not impart a red violet stain upon treatment of phloroglucinol – HCl solution, which also implies that no lignin was left in the samples. The surface structure of the product shows a clear separation of fibers before and after chemical treatments. Overall, the results suggested that both G. atter samples are a potential source of cellulose.

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Production and characterization of cellulose from the branch and leaves of Gigantochloa atter (Kawayang kayali)

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Franchette S Alcantara, Jayson T Francisco.
Production and characterization of cellulose from the branch and leaves of Gigantochloa atter (Kawayang kayali).
Int. J. Biosci. 14(6), 331-337, June 2019.
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