Malachite green (LMG) is used as a detection method for latent blood in forensic science. Hemoglobin catalyzes the reaction between LMG and hydrogen peroxide, converting the colorless LMG into malachite green. Therefore, the appearance of a green color indicates the presence of blood. In 1992, Canadian authorities determined that eating fish contaminated with malachite green posed a significant health risk. Malachite green was classified a Class II Health Hazard. Due to its low manufacturing cost, malachite green is still used in certain countries with less restrictive laws for non aquaculture purposes. In 2005, analysts in Hong Kong found traces of malachite green
Blue Is the Warmest Colour the Warmest Color" through The Criterion Collection on 25 February 2014. As "Blue Is the Warmest Colour", the film was also released on DVD and Blu-ray Disc in Canada on 25 February 2014 by Mongrel Media, in the United Kingdom on 17 March 2014 by Artificial Eye and on 18 June 2014 in Australia by Transmission Films. In Brazil, Blu-ray manufacturing companies Sonopress and Sony DADC are refusing to produce the film because of its content. The distributor is struggling to reverse this situation. "Blue Is the Warmest Colour" grossed a worldwide total of $19,492,879. During its opening in France,