Infrared spectra of jute fibers at different stages of growth, both at the normal and deuterated conditions, were analyzed. Peak heights at wave bands, which can be ascribed to hemicellulose and lignin, show a maximum around 20-35 days of growth, suggesting maximum formation of these substances around this period. An increase of OD content from the early stage to this period also points to this possibility. Spectra of both undeuterated and deuterated samples suggest that at maturity there is either a fall in the hemicellulose content or there is greater esterification between lignin and carbohydrate.
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References
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Datta, A.S., A study on the Physical and Chemical Characteristics of Jute Fiber at Different Stages of the Plant. and on the mode of Association of the Components of the Mature Fiber, Doctoral thesis, Calcutta University. 1960.
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Mukhopadhyay, U., and Mukherjee, A.C., Density andX-ray Diffraction Studies of Jute at Different Stages of Growth, Textile Res. J.47, 224-227 (1977).
