International Journal of Zoology

Research Article

Effects of Quinizarin and Five Synthesized Derivatives on Fifth Larval Instar Midgut Ecdysone 20-Monooxygenase Activity of the Tobacco Hornworm Manduca sexta

Table 1

Values for the anthraquinones tested.
Anthraquinone value
2-Methoxy-1,4-anthraquinone4 10−5 M
1,4-Anthraquinone3 10−4 M
9-Hydroxy-1,4-anthraquinone1 10−3 M
9-Methoxy-1,4-anthraquinone2 10−3 M
Quinizarin6 10−2 M
2-Hydroxy-1,4-anthraquinone2 104 M