Comparative Evaluation of Analgesic, Antipyretic & Anti-Inflammatory Effects of Various Extracts of Dried Fruit of Illicium verum Hook.f (Star anise) in Rodents


  • Hafiza TUSEEF Department of Pharmacology, Bahria University Medical and Dental College, Karachi, Pakistan
  • Muhammad Liaquat RAZA Department of Pharmacology, Faculty of Pharmacy, Hamdard University, Karachi, Pakistan
  • Tahira ASSAD Department of Pharmacology, Karachi Institute of Medical Sciences, Malir Cantt, Karachi, Pakistan



Analgesic, Anti-inflammatory, Antipyretic, Behavioral, Illicium verum hook.f


The current investigation was designed to evaluate the analgesic, antipyretic, and anti-inflammatory effects of various extracts (methanol, ethanol, and aqueous) of dried fruit of Illicium verum hook.f, using 3 different doses (150, 250, and 350 mg/kg p.o) to verify the traditional uses of this spice. In the hot plate model of analgesia, ethanol extract showed a significant reduction in pain in a dose-dependent manner compared to the control group. The maximum effect was observed at 350 mg/kg dosage i.e., 16.90±0.17 s compared to the control group i.e., 5.03±0.05 s. The antipyretic activity was assessed in rats by Brewer’s yeast induction.  The methanol and ethanol extracts produced a significant reduction in rectal temperature compared to the control group throughout the three doses. The maximum effect was observed at 350 mg/kg dosage of ethanol extract i.e., 37.1±0.8* compared to the control i.e., 39.1±0.3. In the paw edema model, methanol and ethanol extracts disclosed a significant reduction in paw edema at 350 mg/kg of dose. The maximum effect was observed at 350 mg/kg dosage of ethanol extract i.e., 0.25±0.23* compared to the control i.e., 0.97±0.4. In a behavioral study, locomotor activity (rearing) and exploratory activity (grooming) in mice was reduced significantly at higher doses (350 mg/kg p.o) involving the three extracts. However, scratching was increased non-significantly at all doses compared to the control group. This study concluded that various extracts of Illicium verum hook.f showed significant analgesic, antipyretic, and anti-inflammatory effects at different doses in a dose-dependent manner with varying potencies. The ethanol extract was found to be more potent among all, followed by methanol and aqueous extracts, whereas maximum effects were observed at 350 mg/kg of dose.


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How to Cite

TUSEEF, H. ., RAZA, M. L. ., & ASSAD, T. . (2021). Comparative Evaluation of Analgesic, Antipyretic & Anti-Inflammatory Effects of Various Extracts of Dried Fruit of Illicium verum Hook.f (Star anise) in Rodents. Walailak Journal of Science and Technology (WJST), 18(9), Article 9456 (12 pages).