Гарбата: Розніца паміж версіямі

Многія травяныя зборы ўтрымліваюць таксічныя рэчывы,<ref>[http://www.ncbi.nlm.nih.gov/pubmed/3300573 Toxic effects of herbal teas.]</ref><ref>[http://www.ncbi.nlm.nih.gov/pubmed/8978213 Risks associated with consumption of herbal teas.]</ref> могуць быць забруджаныя пестыцыдамі і цяжкімі металамі<ref>{{Cite journal|last1=Naithani|last2=Kakkar|first1=V|first2=P|year=2005|title=Evaluation of heavy metals in Indian herbal teas|url=https://archive.org/details/sim_bulletin-of-environmental-contamination-and-toxicology_2005-07_75_1/page/197|journal=Bulletin of environmental contamination and toxicology|volume=75|issue=1|pages=197–203|pmid=16228893|PMID=16228893|doi=10.1007/s00128-005-0738-4|DOI=10.1007/s00128-005-0738-4}}</ref><ref name="NaithaniKakkar2004">{{Cite journal|last1=Naithani|last2=Kakkar|first1=V|first2=P|year=2004|title=An evaluation of residual organochlorine pesticides in popular Indian herbal teas|journal=Archives of environmental health|volume=59|issue=8|pages=426–30|pmid=16268119|PMID=16268119|doi=10.3200/AEOH.59.8.426-430|DOI=10.3200/AEOH.59.8.426-430}}</ref>.