Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Total ion current chromatogram of A. tsao-ko essential oils (AEOs) from Wenshan (A), Nujiang (B), and Tengchong (C) by gas chromatography–mass spectrometry (GC-MS). Different colors represent different regions. Bule represents Wenshan (A), red represents Nujiang (B), and black represents Tengchong (C). The compounds with numbers correspond to the compounds listed in Table 1.
