Malachite green in eels and fish imported from China and Taiwan. In 2006, the United States Food and Drug Administration (FDA) detected malachite green in seafood imported from China, among others, where the substance is also banned for use in aquaculture. In June 2007, the FDA blocked the importation of several varieties of seafood due to continued malachite green contamination. The substance has been banned in the United States since 1983 in food-related applications. It is banned in the UK, also. Animals metabolize malachite green to its leuco form. Being lipophillic (the leuco form has a log "P" of 5.70), the metabolite
Italian submarine Malachite she again patrolled of Ras Aamer. From 11 to 23 February, 1942 she was deployed to an area off the coast of Cyrenaica. From 8 to 21 April, 1942 again she was again deployed off the coast of Cyrenaica. From 1 June to 9 June, 1942 and then again from June 15 to 18, 1942 "Malachite" was posted northwest of Algiers. She was then relocated to patrol off Cape Blanc from 22 to 24 June. On July 16 1942 "Malachite" was sent to patrol along the Tunisian coast, however had to return to the base the next day due to