<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343369</termId><termName>rutin</termName><termType>PT</termType><termNote><![CDATA[ Yellow crystalline acidic compound found in tobacco leaves, forsythia flowers, common rue, and other plants. Rutin is used medicinally for its antioxidant properties and as a colorant. It is yellow upon precipitation, and becomes brown with exposure to heat or light. ]]></termNote><termCreatedDate>2026-03-30 20:32:36</termCreatedDate><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation></term>  </Zthes>