Cotton fibres mainly contains

Step-by-step solution

The cotton fibres represent epidermal prolongations of seed coat cells. A raw cotton fibre, on average, gives the following values on analysis : cellulose, 94 % , protein - 1.3 % , pectic substances -0.9 % , ash -1.2 % , wax -0.6 % , sugars -0.3 % and traces of pigments and mineral matter.