PECTIN QUANTIFICATION FROM CELLULOSIC/LIGNOCELLULOSIC RAW MATERIALS BY FT-IR ATR ANALYSIS

Authors

  • Dorina Rodica CHAMBRE “Aurel Vlaicu” University, Romania, 2 Elena Dragoi, Arad 310330, Romania
  • Mihaela DOCHIA “Aurel Vlaicu” University, Romania, 2 Elena Dragoi, Arad 310330, Romania

Keywords:

cotton fabric, flax fabric, pectin, HCl vapours exposure, FT-IR ATR spectroscopy

Abstract

This paper presents an accurate quantification by FT-IR ATR analyses of pectin content from cotton and flax raw woven fabrics. For this purpose, the investigated samples were exposed to HCl vapours. The relative absorbance
of pectin-specific bands was evaluated. The results showed an increase in the band intensity values located at ~ 1735 cm1 and a decrease of the one from ~ 1645 cm-1 after the exposure of the samples to HCl vapours due to the transformation
of the (COO-) linked with Ca2+ groups into acidic carboxylic groups.

Author Biographies

Dorina Rodica CHAMBRE, “Aurel Vlaicu” University, Romania, 2 Elena Dragoi, Arad 310330, Romania

Faculty of Food Engineering, Tourism and Environmental Protection

Mihaela DOCHIA, “Aurel Vlaicu” University, Romania, 2 Elena Dragoi, Arad 310330, Romania

Research Development Innovation in Natural and Technical Sciences Institute

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Published

2021-02-24

Issue

Vol. 17 (2020): Vol 17 (2020):Scientific and Technical Bulletin, Series: Chemistry, Food Science and Engineering

Section

Articles

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Please send the manuscript prepared with the MSWord Template, together with the Cover Letter to the editor-in-chief:

Dana Copolovici (e-mail: dana.copolovici@uav.ro)