Evaluation of the antiulcer activity of ethanolic extract and solvent fractions of Calendula tripterocarpa Rupr. in experimental rats and their DART-ToF-MS profiling.
Asma'a Al-Rifai, A-Y Badjah-Hadj-Ahmed, Zeid A ALOthman, Ahmad Aqel
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Abstract
In this study, antiulcer activity of ethanolic extract and solvent fractions of the aerial part of Calendula tripterocarpa was investigated using ethanol-induced model of gastric ulceration in rats. The results showed that ethyl acetate, non-polar components and diethyl ether fractions have a remarkable antiulcerogenic activity; because they exhibited control-ulcer protection by 85.2%, 77.7% and 62.9%, respectively. The acute toxicity study showed that the extract is highly safe; the median lethal dose (LD50) was more than 5000 mg/kg. Moreover, the obtained results were confirmed by the sub-chronic toxicity and showed no alteration in the liver and kidney functions. Our data suggests that C. tripterocarpa possesses significant antiulcer activity and it can be used as a source for an antiulcer drug. Around 100 compounds are elucidated from this plant using direct analysis in real-time of flight-mass spectrometry for the first time, of which four well-known compounds were not isolated or reported previously.
期刊介绍：
The aim of Natural Product Research is to publish important contributions in the field of natural product chemistry. The journal covers all aspects of research in the chemistry and biochemistry of naturally occurring compounds.
The communications include coverage of work on natural substances of land and sea and of plants, microbes and animals. Discussions of structure elucidation, synthesis and experimental biosynthesis of natural products as well as developments of methods in these areas are welcomed in the journal. Finally, research papers in fields on the chemistry-biology boundary, eg. fermentation chemistry, plant tissue culture investigations etc., are accepted into the journal.
Natural Product Research issues will be subtitled either ""Part A - Synthesis and Structure"" or ""Part B - Bioactive Natural Products"". for details on this , see the forthcoming articles section.
All manuscript submissions are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. All peer review is single blind and submission is online via ScholarOne Manuscripts.
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