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a greenish crystalline substance, obtained from rosaniline, that forms a violet solution in water, used as an indicator, antiseptic, and in the treatment of burns 龙胆紫 (Also called crystal violet)
The FDA said tests on some Chinese imported fish between October and May repeatedly found traces of the antibiotics nitrofuran and fluoroquinolone, as well as the antifungals malachite green and gentianviolet.