Výsledky vyhledávání - "Miroslav Holub"

Akademický článek

Sesquiterpene lactones. XXXI. New guaianolides in Centaurea bella Trautv. and Centaurea adjarica Alb.

Autor: Gerard Nowak, Bohdan Drożdż, Miroslav Holub, Miros Budesinsky, David Sman

Publikováno v: Acta Societatis Botanicorum Poloniae, Vol 55, Iss 2, Pp 227-231 (2014)

Nine new guaianolides. I of which are chlorinated, were isolated from the dried, above-ground parts of Centaurea bella Trautv. They are: cebellin A. B, C, D, E. F, G, H and 1. l he known guaianolides centaurepensin and repdiolide were also found. The

Externí odkaz: https://doaj.org/article/bfd5b890a859480c9b30167de0a36926

Zobrazit plný text záznamu

Akademický článek

Sesquiterpene lactones. XXX. Cynaropicrin in species of the subtribe Centaureanae Dumort.

Autor: Gerard Nowak, Bohdan Drożdż, Wijciech Kroszczyński, Miroslav Holub

Publikováno v: Acta Societatis Botanicorum Poloniae, Vol 55, Iss 1, Pp 17-22 (2014)

The presence of cynaropicrin was determined in 13 species of the subtribe Centaureinae Dumort.: Centaurea declinata M. B.- C. leucophylla M. B.. C. dealbata Willd.. C. zangezuri (Sosn.) Sosn., C. carthalinica (Sosn.) Sosn., C. thracica (Janka) Hayek,

Externí odkaz: https://doaj.org/article/f561ab536be24114b0e347f8a3aa7023

Zobrazit plný text záznamu

Akademický článek

Sesquiterpene lactones. XXXIII. Guaianolides in the subgenus Psephellus (Cass.) Schmalh., genus Centaurea L.

Autor: Gerard Nowak, Bohdan Drożdż, Miroslav Holub, Agnieszka Łagodzińska

Publikováno v: Acta Societatis Botanicorum Poloniae, Vol 55, Iss 4, Pp 629-637 (2014)

Sesquiterpene lactones were found to occur in all of the studied species of the subgenus Psephellus (Cass.) Schmalh. Differing compositions were found in the representatives of three sections. In Centaurea declinata MB. from the section Leucophylle (

Externí odkaz: https://doaj.org/article/1d432306aebf464ebfdbcdbec0494eca

Zobrazit plný text záznamu

Akademický článek

Sesquiterpene lactones. XXXIV. Guaianolides in the genus Leuzea DC.

Autor: Gerard Nowak, Miroslav Holub, Miloš Buděšínský

Publikováno v: Acta Societatis Botanicorum Poloniae, Vol 57, Iss 1, Pp 157-163 (2014)

Guaianolides were found in three species of the genus Leuzea DC. Chlorojanerin, cynaropicrin and janerin were isolated from L. rhapontica subg. helenifolia (Gren, Gordon) Holub and L. rhaponticoides Graells. From L. carthamoides (Willd.) DC., chloroj

Externí odkaz: https://doaj.org/article/2c22b68c2c2e4b21afc28fc75b164710

Zobrazit plný text záznamu

Akademický článek

Sesquiterpene lactones. XXXII. Guaianolides in species from the genus Chartolepis Cass.

Autor: Gerard Nowak, Bohdan Drożdż, Miroslav Holub

Publikováno v: Acta Societatis Botanicorum Poloniae, Vol 55, Iss 2, Pp 233-238 (2014)

Differences in the composition of the "lactone fraction" of 4 species from the genus Chartolepis Cass. were observed. Cynaropierin was isolated from the above-ground parts of Chartolepis intermedia Boiss. and the occurrence there of grossheimin was c

Externí odkaz: https://doaj.org/article/45f2a8938cd042079840e9948047cfe1

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání