Malachite green is retained in catfish muscle longer (HL = 10 days) than is the parent molecule (HL = 2.8 days). The (oral, mouse) is 80 mg/kg. Rats fed malachite green experience "a dose-related increase in liver DNA adducts" along with lung adenomas. Leucomalachite green causes an "increase in the number and severity of changes". As leucomalachite green is the primary metabolite of malachite green and is retained in fish muscle much longer, most human dietary intake of malachite green from eating fish would be in the leuco form. During the experiment, rats were fed up to 543 ppm of leucomalachite green,
The Malachite Box The Malachite Box The Malachite Box or The Malachite Casket () is a book of fairy tales and folk tales (also known as "skaz") of the Ural region of Russia compiled by Pavel Bazhov and published from 1936 to 1945. It is written in contemporary language and blends elements of everyday life with fantastic characters. It was awarded the Stalin prize in 1942. Bazhov's stories are based on the oral lore of the miners and gold prospectors. The first edition of "The Malachite Box" was released on 28 January 1939. It consisted of 14 stories and an introduction, which contained