Explanatory notes
… their sulphonated derivatives. (15) Carotenoids obtained by synthesis (e.g., β -carotene, 8’-apo- β -carotenal, … themselves to the fibres, usually cotton, wool or nylon, by reacting with functional groups on the fibre molecules to … contrast to dyes, which lose their crystalline structure by dissolution or vaporisation, although they may regain it …
