Abstract:
The main objective of the study was to investigate the UV absorbency of dyestuffs extracted from plain woven cotton and originally dyed with natural colourants from plants Ricinus Coumunis, Areeta Indica and Morind a Lucida and analyzing
antimicrobioactivity of dyed woven cotton fabrics. Unlike lCA, 2CA and 3CA cotton fabric that showed activity against E. coli and S.aureus, lCR, 2CR and 3CR cotton fabric has effect on the normal flora and hence can suitably be used for clothing purposes.
In reference to literature, the most dangerous UV-light is radiated at a
range wavelength of 280-320nm, called UV-B. hence Areeta.I. shows a best
absorbency of UV light at the most dangerous UVrange. Ricinus.C. has a
good absorbency of up to lOA at 230nm and 30Snm in a wavelength range
of 280-400 while applied in silk unlike on cotton where it showed up to an
absorbency of only 2.769A, Morinda.L. does better on silk with an
absorbency of lOA at 295nm but showed a poor absorbency while on
cotton.
