Interestingly 2,6DHBA is a fecal metabolite in humans strongly influenced by diet .
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Apparently different benzoic acids are contained in fruits and other foods. And they alle seem to have anti-cancer properties . I suspect they undergo strong metabolism by the liver and the microbiome.
"Recent reports have demonstrated that the aspirin metabolites 2,3-dihydroxybenzoic acid (2,3-DHBA), 2,5-dihydroxybenzoic acid (2,5-DHBA) and the flavonoid metabolites 2,4,6-trihydroxybenzoic acid (2,4,6-THBA), 3,4-dihydroxybenzoic acid (3,4-DHBA) and 3,4,5-trihydroxybenzoic acid (3,4,5-THBA) were effective in inhibiting cancer cell growth in vitro. Limited in vivo studies also provide evidence that some of these hydroxybenzoic acids (HBAs) inhibit tumor growth in animal models."
" Interestingly, these HBAs are also abundantly present in fruits and vegetables. "
https://www.mdpi.com/1420-3049/25/9/2243
