<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">lac dye</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343701</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:32:41</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">lac</dcterms:alternative> <dcterms:alternative xml:lang="en">lac colorant</dcterms:alternative> <dcterms:alternative xml:lang="en">lac dyes</dcterms:alternative> <dcterms:alternative xml:lang="en">lac-dye</dcterms:alternative> <dcterms:alternative xml:lang="en">lac-lac</dcterms:alternative> <dcterms:alternative xml:lang="en">lack dye</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ A deep red natural colorant made from secretions of the larvae of the lac insect. Lac dye is a byproduct produced during the shellac purification process; its primary colorant is laccaic acid. It was an important dyestuff used since ancient times, giving a lightfast tint to silk and wool, similar in color to dyes obtained from cochineal and kermes. Now synthetic colorants have replaced the use of lac dye. ]]></dc:description></metadata>