直接由Young living郵寄至中立實驗室的檢測證實:
Young living 精油摻雜了人工肉桂醛、苯基戊二醛(同分異構物)、人工芳樟醇。
This sample has been adulterated with synthetic cinnamaldehyde, indicated by the presence of phenylpentadienal isomers. Synthetic linalool may also have been added.
檢測報告: http://holisticessentials.ca/download/test_reports/youngliving/Cinnamon-Bark-Lot-16121203.pdf
http://holisticessentials.ca/download/test_reports/youngliving/Cinnamon-Bark-Lot-14120235.pdf