The fecal metabolomics method was employed to investigate the cognitive improvement mechanism of Polygoni Multiflori Radix in Alzheimer's disease(AD) and examine the effects of different degrees of steaming and sunning on cognitive function in AD model mice. Additionally, the processing principle of Polygoni Multiflori Radix was discussed. Forty-eight 5-month-old APP/PS1 mice were randomly assigned to the following groups: model group, positive group, raw product group, three-steaming and three-sunning product group, six-steaming and six-sunning product group, and nine-steaming and nine-sunning product group.
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