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The herbal medicine Dipsacus asper wall extract reduces the cognitive deficits and overexpression of beta-amyloid protein induced by aluminum exposure.

In this study, researchers tested the potential for an herbal extract called Dipsacus asper to protect against cognitive impairment caused by chronic exposure to aluminum chloride in rats. The animals showed significant declines in memory and increases in beta-amyloid protein, a hallmark of Alzheimer's disease, after 90 days of exposure to aluminum chloride. Treatment with Dipsacus asper or vitamin E for up to five months improved the rats' performance on memory tasks and reduced the levels of beta-amyloid in their brains. The researchers suggest that Dipsacus asper may have therapeutic benefits for Alzheimer's disease.

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Antifungal flavanones and prenylated hydroquinones from Piper crassinervium Kunth.

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Influence of ethyl acetate extract and quercetin-3-methyl ether from Polygonum amphibium on activation lymphocytes from peripheral blood of healthy donor in vitro.

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