Phytoecdysteroids from Lamium spp: identification and distribution within plants

Bioassay/radioimmunoassay (RIA) analysis of the seeds of four Lamium species, L. album, L. galeobdolon, L. maculatum and L. pupureum revealed the presence of phytoecdysteroids in all of them. Bioassay/RIA-guided and photo-diode array-monitored HPLC analysis of the aerial parts of L. album and L. pur...

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Veröffentlicht in:	Biochemical systematics and ecology 2001-10, Vol.29 (9), p.891-900
Hauptverfasser:	Savchenko, Tamara, Blackford, Michaela, Sarker, Satyajit D., Dinan, Laurence
Format:	Artikel
Sprache:	eng
Schlagworte:	20-hydroxyecdysone Abutasterone aerial parts bioassays Chemotaxonomy Distributiion Ecdysteroid ecdysterone high performance liquid chromatography Labiatae Lamiaceae Lamium Lamium spp Larval host plant phytoecdysteroids radioimmunoassays seed extracts seeds
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Zusammenfassung:	Bioassay/radioimmunoassay (RIA) analysis of the seeds of four Lamium species, L. album, L. galeobdolon, L. maculatum and L. pupureum revealed the presence of phytoecdysteroids in all of them. Bioassay/RIA-guided and photo-diode array-monitored HPLC analysis of the aerial parts of L. album and L. purpureum led to the isolation of four known ecdysteroids (abutasterone, inokosterone, polypodine B and pterosterone) from the former, and 20-hydroxyecdysone from the latter. Distribution and identities of ecdysteroids in different parts of these two species and also in the seed extract of L. maculatum have been analysed by RIA and bioassay.
ISSN:	0305-1978 1873-2925
DOI:	10.1016/S0305-1978(01)00035-7