<?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">turnsole</topic></authority><related type="other"><topic>Chrozophora tinctoria</topic></related><related type="broader"><topic>vegetable dye</topic></related> <note xml:lang="en"><![CDATA[ A natural purple colorant and dye obtained from the seeds of Chrozophora tinctoria. It is not lightfast. Turnsole is an acid-base indicator dye that is red in acid and blue to violet in alkalis. It was used as a violet watercolor pigment in 14th century Italian manuscripts and as a purple textile dye from medieval times to the 17th century. It is used as a food colorant, as in Dutch cheese and certain liquors. ]]></note></mads>