<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373882</termId><termName>alginate</termName><termType>PT</termType><termNote><![CDATA[ A product of brown seaweeds, usually kelp. It is used as a thickening agent, and commonly as an impermanent and non-toxic mold-making material, particularly in dental work.  ]]></termNote><termCreatedDate>2026-03-30 20:40:49</termCreatedDate><relation><relationType>UF</relationType><termId>31373883</termId><termName>algin</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373884</termId><termName>alginates</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373885</termId><termName>alginic acids</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343626</termId><termName>gel</termName><termType>PT</termType></relation></term>  </Zthes>