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International journal of medicinal mushrooms

Protective Effect of Eburicoic Acid of the Chicken of the Woods Mushroom, Laetiporus sulphureus (Higher Basidiomycetes), Against Gastric Ulcers in Mice.


PMID 26559696

Abstract

In this study, we investigated the anti-inflammatory and tumor-inhibiting effects of eburicoic acid, the main bioactive component in the Laetiporus sulphureus, on gastric ulcers. A total of 48 Kunming mice were randomly divided into six groups: control, model, OL (omeprazole, 20 mg/kg/day, orally), EA-L (eburicoic acid, 10 mg/kg/day, orally), EA-M (eburicoic acid, 20 mg/kg/day, orally), and EA-H (eburicoic acid, 40 mg/kg/day, orally). Gastric ulcers were induced in mice by administering 80% ethanol containing 15 mg/mL aspirin (10.0 mL/kg, i.g.) 4 hours after drug administration on day 5. The ulcer index and H+/K+-ATPase activity were evaluated in vivo. Computer-aided molecular docking simulated the interaction between eburicoic acid and H+/K+-ATPase. The results showed that the oral administration of eburicoic acid protected the gastric mucosa from gastric lesions morphologically and especially attenuated H+/K+-ATPase activity. The results of this study indicate that the gastric protective effect of eburicoic acid might inhibit gastric acid.