<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373677</termId><termName>sodium dehydroacetate</termName><termType>PT</termType><termNote><![CDATA[ Sodium dehydroacetate is the sodium salt of dehydroacetic acid. It is a preservative and antimicrobial agent that has been used as a food additive and in aqueous deacidification of manuscripts. ]]></termNote><termCreatedDate>2026-03-30 20:40:46</termCreatedDate><relation><relationType>UF</relationType><termId>31373678</termId><termName>dehydroacetate, sodium</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343447</termId><termName>sodium compounds</termName><termType>PT</termType></relation></term>  </Zthes>