Quassin  (Synonyms: Nigakilactone D)

Quassin (Nigakilactone D) is a bioactive triterpenoid from stem bark extract of Quassia amara. Quassin inhibits P. falciparum with an IC₅₀ of 0.15 μM. Quassin possesses reversible antifertility, anti-estrogenic and anti-plasmodial activity^[1][2].

IC50: 0.15 μM (P. falciparum)^[2]

Quassin (Compound 1; 5-25 ng/mL) inhibits both the basal and luteinizing hormone-stimulated testosterone secretion of rat Leydig cells in a dose-dependent fashion^[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Quassin (0.1-2.0 mg/kg; oral administration; daily; for 60 days; females albino rats) treatment shows a significant decrease in the weight of the ovary and uterus. And also shows a significant decrease in serum estrogen levels in quassin treated rats. The Quassin treated rats has a significantly decreased mean litter number and weight. Quassin does not adversely affect the weight of the kidney, heart, liver and the body of the rats^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

388.45

C₂₂H₂₈O₆

76-78-8

Solid

White to off-white

C[C@@H]([C@@]1(C[C@]2(OC(C[C@]([C@]2([C@]3([C@@]41C)[H])C)(C(C)=C(OC)C3=O)[H])=O)[H])[H])C=C(OC)C4=O

Room temperature in continental US; may vary elsewhere.

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)