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
Ruby, Gold and Malachite Ruby, Gold and Malachite Ruby, Gold and Malachite is an oil-on-canvas painting by Henry Scott Tuke. It depicts six young men in and around a boat, bathing in the sea. It was painted near Falmouth and exhibited at the Royal Academy summer exhibition in 1902, along with two other works by Tuke, "The Run Home" and "Portrait of Alfred de Pass". It was one of his greatest successes. The painting measures by . It was acquired by the City of London Corporation and is displayed at the Guildhall Art Gallery. Tuke was born in York in 1858, but his family