Category: flavonoid
Aliases: 3,3′,4′,5,7-Pentahydroxyflavone
Flavonol aglycone with mast-cell-stabilising activity (inhibits PLA2 + histamine release), [[nlrp3_inflammasome]] inflammasome suppression, and zinc-ionophore activity (shuttles Zn²⁺ across cell membranes, repurposed in early COVID protocols). CD38 inhibitor — preserves cellular [[nad-plus]] (see [[niacin_nad_synthesis]]) by slowing its CD38-driven hydrolysis. Poorly bioavailable as aglycone; glucoside forms (rutin, isoquercitrin) have better absorption.
PO: 11h