“…Sixteen species were evaluated by Irvine and Freyre [ 8 ], and 14 were found to biosynthesize some rotenoids. The highest amount of rotenoids was produced by Tephrosia vogelii Hook f., including rotenone, deguelin, rotenolone, and tephrosin in the leaves, petal, stems, and roots [ 1 , 9 , 10 , 11 , 12 ]. Leaves, however, accounted for 80–90% of the biosynthesized rotenoids [ 13 ].…”