<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31320283</termId><termName>fatty acid</termName><termType>PT</termType><termNote><![CDATA[ Any of a class of aliphatic acids, especially palmitric, stearic, or oleic acid, consisting of a long hydrocarbon chain ending in a carboxyl group that bonds to glycerol to form a fat. ]]></termNote><termCreatedDate>2026-03-30 20:26:19</termCreatedDate><relation><relationType>UF</relationType><termId>31320284</termId><termName>acid, fatty</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320285</termId><termName>acids, fatty</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320286</termId><termName>fatty acids</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31306060</termId><termName>acid</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31344301</termId><termName>stearic acid</termName><termType>PT</termType></relation></term>  </Zthes>