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.
Chromatogram of methanol extract (a) and aquoeus extract (b) of Quercus infectoria gall by gas chromatography-mass spectrometry (GC-MS) Analysis. The GC-MS spectrum at retention time 14.50 min of major compound of the 1,2,3-Benzenetriol (pyrogallol) with molecular formula of C6H6O3 and molecular weight of 126.0 g/mol (c)
