Cuachalalate / Amphypterygium adstringens

Protective Effect of Amphipterygium adstringens Extract on Dextran Sulphate Sodium-Induced Ulcerative Colitis in Mice

Amphipterygium adstringens is an endemic species in Mexico commonly known as “cuachalalate.” Healers to treat gastritis, gastric ulcers, and gastrointestinal cancer have traditionally used the bark. We investigated the effects of alcoholic extract of A. adstringens (AaEE) in DSS-induced colitis in mice. The protective effect of AaEE was determined at 200 mg/kg by oral gavage for 10 days. We determine the effect of AaEE on clinical features (disease activity index), antioxidants, anti-inflammatory, and immunomodulatory activities in relation to the activity of SOD, CAT, and GPx, levels of proinflammatory cytokines, and changes both macroscopic and microscopic of the colonic mucosa. AaEE significantly reduced the inflammation of colon and significantly increased SOD and GPx activities. AaEE also significantly decreased TNF-α, IFN-γ, and IL-1β cytokine levels compared to DSS-treated mice and reduced both infiltration of inflammatory cells and the mucosal damage in colon. The results suggested the protective potential of AaEE in DSS-induced colitis and this might be attributed to its phytochemicals compounds that have been found to induce a wide spectrum of activities such as reduction in oxidative stress, suppression of inflammation, modulating numerous signal transduction pathways, and induction of apoptosis. The findings of this study suggest that AaEE has substantial potential for the treatment of inflammatory colitis.

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Long-chain phenols from the bark of Amphypterygium adstringens

The hexane extract of the stem bark of Amphypterygium adstringens at a dose of 100 mg/kg subcutaneously exhibited significant hypocholesterolemic effect on 24-h fasted rats, lowering the cholesterol levels by 31%, an effect similar to 15 mg/kg estrone given by the same route. Column chromatography of the active extract allowed the isolation of two mixtures of long chain phenols (Mixture I and Mixture II). According to GC/MS analysis, Mixture I contained five alkyl phenolic acids and Mixture II three alkyl phenolic aldehydes. Neither of the mixtures exhibited significant hypocholesterolemic activity at doses up to 15 mg/kg subcutaneously.

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Cuachalalate monograph

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