Anthocyanin-decolorizing systems have previously been reported in leaves 2–4 and these, in common with the system found in cherries, apparently involve the action of an oxidizing enzyme.

This article was originally published with the title “Decolorizing Carbon” inSA Supplements Vol. 85 No. 2197supp(February 1918), p. 91doi:10.1038/scientificamerican02091918-91bsupp View This Issue ...

This article was originally published with the title “New Decolorizing Agent” in Scientific American Magazine Vol. 13 No. 14 (December 1857), p. 105 doi:10.1038/scientificamerican12121857-105b ...