Ethno-botanical information shows that Eremomastax speciosa
is used in the traditional management of various stomach
complaints including gastro-duodenal ulcers.
Materials and Methods:
In this study, we tested the cytoprotective potential of the whole plant methanol extract (100-200 mg/kg, p.o
HCl/ethanol, absolute ethanol, cold/restraint stress rats, and pylorus legated rats pre-treated with indomethacin. The effects of the extract on
gastric lesion inhibition, the volume of gastric juice, gastric pH, gastric acid output, mucus production and gastric peptic activity were recorded.
Oxidative stress parameters were measured in blood and gastric tissue samples obtained from the animals in all the models tested.
The extract significantly (p<0.05), reduced the formation of cold/restraint ulcers by (31-60%, inhibition), completely inhibited (100%)
the formation of lesions induced by HCl/ethanol at the highest dose, but was less effective against absolute ethanol (22-46% inhibition). The
extract (200 mg/kg), significantly reduced lesion formation (P<0.01), gastric acidity (P<0.01), and volume of gastric secretions (P<0.05), in the
indomethacin/pylorus ligation model, and did not affect the activity of pepsin in gastric juice. Blood concentrations of antioxidant enzymes
(catalase, SOD and GSH), increased significantly and MDA concentrations decreased in all models tested.
Cytoprotection by E. speciosa
methanol extract was attributed to its ability to reduce acid secretion, and to enhance mucosal defence
and in vivo