ジチオ尿素の塩によるプラナリアの眼色素消失

概要

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1. The present experiment was carried out in order to verify our previous suggestion (Kido and Kishida, '60) that the salt of dithiocarbamide may be effective in the depigmentation of eye of the planarian, Dugesia gonocephala. 2. Four kinds of crystallines of salts, i.e., dithiocarbamide dichloride, -dibromide, -diiodide and -oxalate were prepared by according to the chemical methods of Claus, McGowan, Marschall and Storch, and their aqueous solution of 10^<-4> M were tested whether or not they are effective for the depigmentation of the eye. 3. When the worms were kept in these test solutions, depigmentation of the eye occurred much more easily than in the thiocarbamide solution of the same concentration with the above salt solutions. 4. Concerning the tiem required for the depigmentation, no difference was found among above four kinds of the chemicals.
1960-11-15