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@article{894953, author = {Gregorová, Jana and Babica, Jan and Marek, Radek and Paulová, Hana and Táborská, Eva and Dostál, Jiří}, article_number = {6}, keywords = {isoquinoline alkaloids; quaternary benzophenanthridines; quaternary protoberberines; protopines}, language = {eng}, issn = {0367-326X}, journal = {Fitoterapia}, title = {Extractions of isoquinoline alkaloids with butanol and octanol}, volume = {81}, year = {2010} }
TY - JOUR ID - 894953 AU - Gregorová, Jana - Babica, Jan - Marek, Radek - Paulová, Hana - Táborská, Eva - Dostál, Jiří PY - 2010 TI - Extractions of isoquinoline alkaloids with butanol and octanol JF - Fitoterapia VL - 81 IS - 6 SP - 565-568 EP - 565-568 PB - Elsevier Science Amsterdam SN - 0367326X KW - isoquinoline alkaloids KW - quaternary benzophenanthridines KW - quaternary protoberberines KW - protopines N2 - Six isoquinoline alkaloids of different structural types (sanguinarine, chelerythrine, berberine, coptisine, allocryptopine, protopine) were extracted by butanol and octanol from aqueous solution, pH 4.5. The aqueous phase was analysed by HPLC before and after extraction. Extraction by butanol was non-selective, alkaloids passed into organic phase in 83-98 %. Octanol extraction provided more selective yields: sanguinarine 99 %, chelerythrine 94 %, berberine 18 %, coptisine 16 %, allocryptopine 7.5 %, protopine 7 %. Further, we tested octanol treatment of real plant extract from Dicranostigma lactucoides. The octanol extraction yields were again selective: sanguinarine 98 %, chelerythrine 92 %, chelirubine 92.5 %, protopine 6 % and allocryptopine 3.5 %. 6-Butoxy-5,6-dihydrosanguinarine and 6-butoxy-5,6-dihydrochelerythrine were prepared and their NMR and MS data are reported and discussed. ER -
GREGOROVÁ, Jana, Jan BABICA, Radek MAREK, Hana PAULOVÁ, Eva TÁBORSKÁ a Jiří DOSTÁL. Extractions of isoquinoline alkaloids with butanol and octanol. \textit{Fitoterapia}. Elsevier Science Amsterdam, 2010, roč.~81, č.~6, s.~565-568. ISSN~0367-326X.
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