Ulcer-Protective Property of Bryophyllum pinnatum Leaf Extract and their Phytosomal Formulations



  • Emenike B. Amadi Ethnopharmacology, Food and Drug Delivery Research Unit, Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria
  • Emmanuel C. Ossai Ethnopharmacology, Food and Drug Delivery Research Unit, Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria
  • Obiora C. Ugwu Department of Pharmacology, Faculty of Pharmaceutical Sciences, Enugu State University of Science and Technology, Enugu State, Nigeria
  • Valentine O. Nwanelo Ethnopharmacology, Food and Drug Delivery Research Unit, Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria
  • Chioma A. Anosike Ethnopharmacology, Food and Drug Delivery Research Unit, Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria
  • Petra O. Nnamani Drug Delivery and Nanomedicine Research Group, Public Health and Environmental Sustainability Research Group, Department of Pharmaceutics Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka, Nigeria
  • Okwesili F. C. Nwodo Ethnopharmacology, Food and Drug Delivery Research Unit, Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria


Bryophyllum pinnatum, Phytosome, In vitro drug release, Ulcer inhibition


Active phytoconstituents usually exhibit robust in vitro pharmacological properties that do not
correspond proportionately to the in vivo clinical benefits owing to their low gastrointestinal
absorption. To improve on the bioavailability of the plant natural products, a strategy to
enhance their in vivo absorption is developed via novel formulation of phytosome – a
phospholipid-phytoconstituent complex. This study formulated Bryophyllum pinnatum extract
into phytosome, evaluated and compared the ulcer-protective properties of the phytosome and
the Bryophyllum pinnatum free extract in indomethacin-induced ulcerative animal ulcer model.
Phytosomal formulations of Bryophyllum pinnatum leaves were prepared by combination of
ethanol extract of Bryophyllum pinnatum and phosphatidylcholine (phospholipon® 90H) in
different ratios of 1:1, 1:3, and 1:5, respectively. The phyto-phospholipid complexes were
evaluated for some physical and chemical properties, which include entrapment efficiency,
Fourier transform infrared (FTIR) spectroscopy and in vitro drug release. Standard laboratory
methods were employed in the phytosome formulation, evaluation and ulcer-protective studies.
Ulcer protective studies were carried out using 400 mg/kg of phytosome and crude extract. All
the phytosomal formulations showed increased drug release profile in phosphate buffer (pH 6.8)
when compared to the free extract. At 400 mg/kg, the complexes significantly (p < 0.05)
improved ulcer-protective property and oxidative stress parameters when compared to the free
extract, and hence, could be a better form for ulcer management.
Key words: , , , 


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How to Cite

Amadi, E. B., Ossai, E. C., Ugwu, O. C., Nwanelo, V. O., Anosike, C. A., Nnamani, P. O., & Nwodo, O. F. C. (2020). Ulcer-Protective Property of Bryophyllum pinnatum Leaf Extract and their Phytosomal Formulations: doi.org/10.26538/tjnpr/v4i12.29. Tropical Journal of Natural Product Research (TJNPR), 4(12), 1201–1207. Retrieved from https://www.tjnpr.org/index.php/home/article/view/910

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