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السجلات المعروضة 1 -- 7 من 7
Methylated Flavonoids From Artemisia Monosperma
(
Qatar University
, 1989 , Article)
Investigation of the flavonoid constituents of Artemisia monosperma resulted in the isolation and identification of four methylated flavonoids: quercetin 3,3',4'-trimethylether, diosmetin (luteolin 4'-methylether), ...
Pyrrolizidine alkaloids from heliotropium arbainense and h. Ovalifolium
(
Qatar University
, 1991 , Article)
Investigation of the pyrrolizidine alkaloids of Heliotropium arbainense resulted in the isolation and identification of heliotrine, europine and 7-angelylheliotrine. From H. ovalifolium three alkaloids were isolated: ...
Pyrrolizidine Alkaloids From Senecio Aegyptius L.
(
Qatar University
, 1988 , Article)
Investigation of the alkaloidal constituents of Senecio aegyptius L. resulted in the isolation and identification of senecionine, dehydrosenkirkine and probably an isomer of seneciphylline. TLC, HPLC and GLC showed the ...
Constituents of plants growing in Qatar XX. Phytochemical investigation of anastatica hierochuntica: NOTE
(
Taylor & Francis
, 1993 , Article)
A study of the lipid fraction of Anastatica hierochuntica (Cruciferae) resulted in the isolation of hydrocarbon (mainly C25H52, C29H60 AND C31H64) AND sterol fractions (P-sitosterol, campesterol, stigmasterol AND cholesterol). ...
Constituents of plants growing in Qatar part XV. Chemical investigation and pharmacotoxicity of pyrrolizidine alkaloids of moltikiopsis ciliata
(
Taylor & Francis
, 1988 , Article)
Chemical study of the alkaloidal constituents of Moltikiopsis ciliata resulted in the isolation and identification of heliotrine and echinatine, in addition to other minor alkaloids. Pharmacological experiments revealed: ...
Constituents of plants growing in Qatar - Part XIX. Flavonoids of Glossonema edule N. E. Br.
(
Springer Nature
, 1990 , Article)
The study of the flavonoids of the unripe fruits of Glossonema edule, resulted in the isolation and identification of apigenin 6,8-di-C-glucoside (violanthin) and luteolin 7-O-glucoside. © 1990 Kluwer Academic Publishers.