According to our previous research (Tang et al., 2022 (link)), RRTP is extracted from RRT fruit and preserved in microbiology and biochemical pharmaceutical engineering research center of Guizhou Medical University. Lipopolysaccharide (LPS, Escherichia coli serotype 055:B5) was purchased from Sigma-Aldrich. Acetonitrile and methanol (UPLC-grade) were collected from Merck.
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