Table 3 Anthraquinone compounds identified by DART, paper spray-MS and HPLC-ESI-Q-ToF in the Relbunium samples from the Saltzman Collection
Plant genus and species | Mordant | Fiber | HPLC-ESI-Q-ToF, EDTA/DMF extract | DART-MS | DART-MS with formic acid | Paper spray MS, EDTA/DMF extract |
|---|---|---|---|---|---|---|
Relbunium hypocarpium | None | Wool | Munjistin, pseudopurpurin, purpurin, xanthopurpurin, unk 423 | Purpurin, xanthopurpurin, rubiadin, lucidin, munjistin, pseudopurpurin | Purpurin, xanthopurpurin, munjistin, rubiadin, lucidin, methoxy-anthraquinone | Lucidin primeveroside, pseudopurpurin, lucidin, methylanthraquinone |
Relbunium hypocarpium | None | Alpaca | Pseudopurpurin, munjistin, purpurin, xanthopurpurin, unk 423 | Purpurin, xanthopurpurin, rubiadin, lucidin, pseudopurpurin, methoxyanthraquinone | Xanthopurpurin, rubiadin, purpurin, lucidin, munjistin, pseudopurpurin, methoxy-anthraquinone | Trace of xanthopurpurin primeveroside (< 0.7% relative abundance) |
Relbunium hypocarpium | Alum | Wool | Munjistin, pseudopurpurin, purpurin, xanthopurpurin, unk 423 | Purpurin, xanthopurpurin, rubiadin, lucidin, munjistin, pseudopurpurin, lucidin, methoxymethylanthraquinone | Xanthopurpurin, purpurin, munjistin, rubiadin, lucidin, pseudopurpurin | Trace of xanthopurpurin (< 0.7% relative abundance) |
Relbunium hypocarpium | Alum | Alpaca | Pseudopurpurin, munjistin, purpurin, xanthopurpurin, unk 423 | Purpurin, xanthopurpurin, rubiadin, munjistin, pseudopurpurin, methoxymethylanthraquinone | Munjistin, xanthopurpurin, purpurin, pseudopurpurin, lucidin, rubiadin | Traces of xanthopurpurin and galiosin (< 0.7% relative abundance) |
Relbunium ciliatum | None | Wool | Munjistin, pseudopurpurin, purpurin, xanthopurpurin, rubiadin primeveroside, unk 423 | Xanthopurpurin, purpurin, rubiadin, lucidin, methoxy-methylanthraquinone, pseudopurpurin | Xanthopurpurin, rubiadin, purpurin, lucidin, munjistin, pseudopurpurin | Rubiadin primeveroside, lucidin primeveroside, xanthopurpurin primeveroside, traces of rubiadin and rubiadin primeveroside (< 0.7% relative abundance) |
Relbunium ciliatum | None | Alpaca | Munjistin, pseudopurpurin, purpurin, xanthopurpurin, rubiadin primeveroside, unk 423 | Xanthopurpurin, purpurin, rubiadin, lucidin, | Rubiadin, xanthopurpurin, lucidin, purpurin, munjistin | Traces of pseudopurpurin, methoxy-anthraquinone, and rubiadin primeveroside (< 0.7% relative abundance) |
Relbunium ciliatum | Alum | Wool | Pseudopurpurin, munjistin, purpurin, xanthopurpurin, rubiadin primeveroside, unk 423 | Xanthopurpurin, purpurin, rubiadin, lucidin, munjistin | Xanthopurpurin, rubiadin, purpurin, lucidin, pseudopurpurin, methoxy-anthraquinone, methoxy-methyl-anthraquinone | Lucidin primeveroside, lucidin |
Relbunium ciliatum | Alum | Alpaca | Pseudopurpurin, munjistin, purpurin, xanthopurpurin, rubiadin primeveroside, unk 423 | Xanthopurpurin, purpurin, rubiadin, lucidin, methoxy methyl-anthraquinone | Xanthopurpurin, rubiadin, purpurin, lucidin, munjistin, methoxy-anthraquinone | Lucidin primeveroside, trace of xanthopurpurin primeveroside |
Relbunium sp. (unidentified) | Alum | Wool | Pseudopurpurin, munjistin, purpurin, xanthopurpurin, rubiadin primeveroside | Purpurin, xanthopurpurin, rubiadin, munjistin, lucidin, pseudopurpurin, | Rubiadin, purpurin, xanthopurpurin, munjistin, lucidin, pseudopurpurin | Lucidin primeveroside, traces of rubiadin primeveroside, pseudopurpurin, xanthopurpurin primeveroside, and xanthopurpurin |
Relbunium sp. (unidentified) | Alum | Alpaca | Pseudopurpurin, munjistin, purpurin, xanthopurpurin, rubiadin primeveroside | Purpurin, xanthopurpurin, rubiadin lucidin, munjistin | Rubiadin, xanthopurpurin, purpurin, lucidin, munjistin, pseudopurpurin | Lucidin primeveroside, traces of pseudopurpurin, methoxy-methyl-anthraquinone |
