Heat Treatment of Cotton: Effect on Endotoxin Content, Fiber and Yarn Properties, and Processability

Author:

Rousselle Marie-Alice1,Price John B.1,Thomasson J.A.2,Chun David T.W.3

Affiliation:

1. USDA, ARS, Southern Regional Research Center, New Orleans, Louisiana 70179, U.S.A.

2. USDA, ARS, U.S. Cotton Ginning Research Lab, Stoneville, Mississippi, U.S.A.

3. USDA, ARS, Cotton Quality Research Station, Clemson, South Carolina, U.S.A.

Abstract

A specially designed device is used to heat several hundred pounds of cotton at temperatures previously shown to reduce endotoxin content during small-scale treat ment of cotton lint. Dust from heated and unheated (control) cotton is captured during processing in a pilot plant textile mill. The endotoxin content of fibers, bulk dust, and fine dust is reduced by the heating, compared to the unheated bale. The effect of heat treatment on fiber physical properties and processability is monitored to provide an assessment of the effect of heating on the market value of the cotton. Results from dust from heated fibers distributed to other researchers for in vivo and in vitro evaluation of physiological activity are discussed.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

Reference46 articles.

1. Berni, R.J., Domelsmith, L.N., Goynes, W.R., and Karol, M., Proximate, Elemental, and Microscopical Analyses of "Standard Cotton Dusts ," in “Proc. 9th Cotton Dust Res. Conf." P. J. Wakelyn, and R. R. Jacobs, Eds. National Cotton Council , Memphis, TN, 1985, pp. 32-36.

2. Chemical Composition of Cotton-Processing Dusts

3. Effects of Heating on Chemical and Physical Properties and Processing Quality of Cotton

4. Brushwood, D.E. , The Influence of Low Temperature and Desiccator Drying on Cotton, in “1991 Beltwide Cotton Production Research Conferences Proceedings," D. J. Herber and D. A. Richter, Eds. National Cotton Council, Memphis, TN, 1991, pp. 997-999.

5. Acute Bronchoconstriction Induced by Cotton Dust: Dose-Related Responses to Endotoxin and Other Dust Factors

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