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rotenoid
Rotenoids are naturally occurring substances containing a cis-fused tetrahydrochromeno()chromene nucleus.〔(Rotenoids on www.chemicool.com )〕 Many have insecticidal activity, such as the prototypical member of the family, rotenone. Rotenoids are related to the isoflavones.
== Natural occurrences ==
Many plants in the subfamily Faboideae contain rotenoids. Rotenoids can be found in ''Lonchocarpus sp''. Deguelin and tephrosin can be found in ''Tephrosia vogelii''. 6'-O-β-D-glucopyranosyl-12a-hydroxydalpanol can be found in the fruits of ''Amorpha fruticosa''. Elliptol, 12-deoxo-12alpha-methoxyelliptone, 6-methoxy-6a,12a-dehydrodeguelin, 6a,12a-dehydrodeguelin, 6-hydroxy-6a,12a-dehydrodeguelin, 6-oxo-6a,12a-dehydrodeguelin and 12a-hydroxyelliptone can be isolated from the twigs of ''Millettia duchesnei''. Deguelin, dehydrodeguelin, rotenol, rotenone, tephrosin and sumatrol can be found in ''Indigofera tinctoria''. 6aα,12aα-12a-hydroxyelliptone can be found in the stems of ''Derris trifoliata''. Amorphol, a rotenoid bioside, can be isolated from plants of the genus ''Amorpha''. Deguelin, rotenone, elliptone and α-toxicarol can be found in the seeds of ''Lonchocarpus salvadorensis''. Clitoriacetal, stemonacetal, 6-deoxyclitoriacetal, 11-deoxyclitoriacetal, 9-demethylclitoriacetal and stemonal can be isolated from ''Clitoria fairchildiana''.
Rotenoids can also be found in the plant family Nyctaginaceae. Mirabijalone A, B, C ans D, 9-O-methyl-4-hydroxyboeravinone B, boeravinone C and F, and 1,2,3,4-tetrahydro-1-methylisoquinoline-7,8-diol) can be isolated from the roots of ''Mirabilis jalapa''. Boeravinones G and H are two rotenoids isolated from ''Boerhavia diffusa''. Abronione and boeravinone C can be found in the desert annual ''Abronia villosa''. In 2015, a new rotenoid called crocetenone was extracted from the rhizome of ''Iris crocea''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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