Effect of ozone in textiles on September 08, 2018 antranalic aromatic rings colour +13 cryogenic denims dye garments indigo industry inorganic isatin molecules oxidant oxygen ozone rupturing surface textiles triatomic yellowing antranalic aromatic rings colour cryogenic denims dye garments indigo industry inorganic isatin molecules oxidant oxygen ozone rupturing surface textiles triatomic yellowing