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
The Malachite Casket (fairy tale) forgets about his mistress. He buys the Casket from her and offers it to Tanyushka, but she refuses. Turchaninov then claims that he wishes to marry the girl. She announces that she will only agree to the marriage if he shows her the Tsarina herself at the Malachite Room in Saint Petersburg. Turchaninov agrees. Dressed like a queen, Tanyushka arrives at the Palace, and walks directly to the Malachite Room. Tsarina enters the room, saying: "Now then, show me this nigh-handed maid". Upon hearing that Tanyushka frowns and says to Turchaninov: "What does this mean? I told ye to show