<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">quercitron lake</topic></authority><related type="broader"><topic>yellow lake</topic></related><variant type="other"><topic>flavine lake</topic></variant><variant type="other"><topic>lake, quercitron</topic></variant> <note xml:lang="en"><![CDATA[ An obsolete yellow lake pigment made from quercitron, a natural dyestuff obtained from the black or dark brown bark of the black oak, containing the colorants: quercetin, quercetagetin, and flavine. Quercetin produces a bright yellow with aluminum and tin, a tan with chrome, and an olive green with iron. ]]></note></mads>