<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31409803</termId><termName>tea tree oil</termName><termType>PT</termType><termNote><![CDATA[ An essential oil derived from steaming the leaves of the Australian tea tree. Tea tree oil is believed to have antibacterial properties and is used as a topical treatment for a variety of skin conditions. It is commonly found in skin products including soaps and lotions. In a conservation context it has been used to control fungi, bacteria, and other biodeteriogens on paper objects and in collection care. ]]></termNote><termCreatedDate>2026-03-30 20:50:11</termCreatedDate><relation><relationType>UF</relationType><termId>31409804</termId><termName>Melaleuca alternifolia oil</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31409805</termId><termName>melaleuca oil</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31370672</termId><termName>essential oil</termName><termType>PT</termType></relation></term>  </Zthes>