Talk:1,2,4-Trihydroxyanthraquinone
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Colorless or dark red?
[edit]The article states that solid purpurin is "colorless" but then that it is "dark red". Someone plase fix this before the universe notices that 0 = 1 and undergoes an instaneous Big Crunch. All the best, --Jorge Stolfi (talk) 05:20, 22 January 2010 (UTC)
- Mistery seems solved: purpurin glicoside in the madder root is colorless, purpurin itself is colored. --Jorge Stolfi (talk) 02:06, 24 January 2010 (UTC)