<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373569</termId><termName>carrageenan</termName><termType>PT</termType><termNote><![CDATA[ A family of anionic polysaccharides that are obtained by alkaline extraction from some species of red seaweeds. There are three major types of carrageenan, which include iota-carrageenan (i-carrageenan), kappa-carrageenan (κ-carrageenan), and lambda-carrageenan (λ-carrageenan). In conservation, it is used as a hydrogel in paintings consolidation, among other uses. ]]></termNote><termCreatedDate>2026-03-30 20:40:44</termCreatedDate><relation><relationType>UF</relationType><termId>31373570</termId><termName>carrageenin</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343247</termId><termName>polysaccharides</termName><termType>PT</termType></relation></term>  </Zthes>