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Kumatakenin
Kumatakenin is an O-methylated flavonol. It can be found in ''Astragalus membranaceus ''Astragalus mongholicus'', synonyms including ''Astragalus propinquus'' and ''Astragalus membranaceus'', commonly known as Mongolian milkvetch in English; 'Хунчир' in Mongolian; ''huángqí'' (), ''běiqí'' () or ''huánghuā huángqí'' ...''. References O-methylated flavonols Diols {{phenol-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astragalus Membranaceus
''Astragalus mongholicus'', synonyms including ''Astragalus propinquus'' and ''Astragalus membranaceus'', commonly known as Mongolian milkvetch in English; 'Хунчир' in Mongolian; ''huángqí'' (), ''běiqí'' () or ''huánghuā huángqí'' (), in Mongolia, is a flowering plant in the family Fabaceae. It is one of the 50 fundamental herbs used in traditional Mongolian medicine. It is a perennial plant and it is not listed as being threatened. Distribution ''A. mongholicus'' is widespread in temperate Asia, being found in Kazakhstan, from Siberia to the Russian Far East, in Mongolia, and in west and north China. Herbalism ''A. mongholicus'' is used in traditional Chinese medicine (TCM). ''A. mongholicus'' is a component in Lectranal, a food supplement used in treatment of seasonal allergic rhinitis, though there is limited evidence of its effectiveness. Chemistry Chemical constituents of the roots (Radix Astragali) include polysaccharides and triterpenoids (such as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
O-methylated Flavonol
The O-methylated flavonoids or methoxyflavonoids are flavonoids with methylations on hydroxyl groups (methoxy bonds). O-methylation has an effect on the solubility of flavonoids. Enzymes O-methylated flavonoids formation implies the presence of specific O-methyltransferase (OMT) enzymes which accept a variety of substrates. Those enzymes mediate the O-methylation on a specific hydroxyl group, like on 4' (example in ''Catharanthus roseus'') or 3' (example in rice) positions. Those positions can be ortho, meta, para and there can be a special 3-O-methyltransferase for the 3-OH position. Calamondin orange ('' Citrus mitis'') exhibits all of those activities. Plant enzymes * Apigenin 4'-O-methyltransferase * 8-hydroxyquercetin 8-O-methyltransferase * Isoflavone 4'-O-methyltransferase * Isoflavone 7-O-methyltransferase * Isoliquiritigenin 2'-O-methyltransferase * Isoorientin 3'-O-methyltransferase * Kaempferol 4'-O-methyltransferase * Luteolin O-methyltransferase * Methylquerc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |