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Published on: December 28, 2021
Spermicidal activity of extract from Cestrum parqui
Kammoun Souad1, Saad Ali, Ajina Mounir
1Laboratory of Histology and Embryology, Faculty of Medicine, 4002 Sousse, Tunisia.
Contraception
|January 24, 2007
Summary
The leaf extract of Cestrum parqui demonstrated a dose- and time-dependent spermicidal effect in vitro. This natural compound significantly damaged sperm membranes, indicating potential contraceptive applications.
Area of Science:
- Reproductive Biology
- Pharmacology
- Natural Product Research
Background:
- Sperm motility and viability are critical for male fertility.
- Natural products are increasingly investigated for contraceptive potential.
- Cestrum parqui is a plant with traditional medicinal uses.
Purpose of the Study:
- To evaluate the in vitro effects of Cestrum parqui leaf extract on human sperm.
- To determine the spermicidal activity and potential contraceptive properties of this plant extract.
Main Methods:
- Human spermatozoa were prepared using density gradient centrifugation.
- Sperm were incubated with varying concentrations (40-250 microg/mL) of Cestrum parqui extract.
- Motility, viability, and morphology were assessed over time using microscopy and transmission electron microscopy.
Main Results:
- A dose- and time-dependent reduction in sperm motility and viability was observed.
- The extract exhibited maximal spermicidal effect at 250 microg/mL.
- Transmission electron microscopy revealed significant damage to sperm head and acrosomal membranes.
Conclusions:
- Cestrum parqui leaf extract possesses a potent in vitro spermicidal effect.
- The extract induces significant damage to sperm membrane integrity.
- This natural extract shows potential for development as a male contraceptive agent.

