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Appl Environ Microbiol. 1967 May; 15(3): 484-486
Copyright © 1967 American Society for Microbiology. All Rights Reserved.

Importance of Galacturonic Acid in Controlling the Retting of Flax

Laboratory of Industrial Microbiology, School of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

ABSTRACT

The empirical test was compared with the determination of pH, total acidity, and galacturonic acid (GA) as methods for establishing the termination time of the retting process in flax. The GA dosage was the best method for determining the end point of this process by distinctly dividing the phases of retting and over-retting in the bacterial loosening of flax fiber. This end point is critical in the production of standard fibers for the weaving industry.

¹ Participant, Consêlho de Pesquisas of the Federal University of Rio de Janeiro.