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Physico-mechanical characteristics of bast fibres of Sesamum indicum and Sesamum radiatum for bioprospecting

Journal of Bioresources and Bioproducts 2022年第4期7卷 306-319页

作者： Ancy S Watson Suhara Beevy S Department of Botany University of KeralaThiruvananthapuram 695581KeralaIndia

Natural fibres are renewable,inexpensive and biodegradable sources of sustainable materials from plants or *** fibres,as the notable natural fibres,are gathered from the outer cell layers of the stem of *** and young bast fibres from two species of Sesamum,namely Sesamum indicum *** *** Schumach.&*** extracted through traditional water retting technique and analyzed for their physical,mechanical and chemical *** studies revealed polygon shaped phloem(bast fibre)cells with small lumen were similar to jute,in terms of architecture,and bagasse,in terms of lumen *** extraction and subsequent drying,the young stems of *** were found to yield more bast fibres by mass compared with the rest of the Sesamum samples,that was,0.59 g(dry weight)of bast fibres from 100 g(fresh weight)of *** to stereo microscopic images,the mature *** fibres had rougher edges than the *** *** and *** fibre surfaces also seemed to have pores,according to scanning electron microscopy(SEM)*** porosity appeared to get more pronounced as the plants got *** Sesamum bast fibres were also found to be extremely hydrophilic with a high-water retention *** fibres obtained from *** were determined to be suitable for the textile industry due to their light colour,ideal diameter and length,and water-holding capacity that matched the requirements of fabric *** in the absence of a mordant,the mature fibres showed a significant degree and evenness of Alizarin dye attachment,which might be correlated to the increase in fibre surface roughness with fibre *** fibres were also discovered to be comparable with jute in terms of phloem cell shape(polygonal),diameter(13-15 m),tenacity(12.86-32.54 gf/(g·km-1)),and linear density(2.5-3.3 g/km).It suggested that they might find industrial applications if further research were to be done.

关键词： Sesamum bast fibre Textile Tensile strength Dyeing Sustainability

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