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.
Principal component analysis (PCA) on the compositional and oxidation parameters (25 variables, mean-centered and scaled to unit variance) of acid oils from chemical refining (AO, n = 79) and fatty acid distillates from physical refining (FAD, n = 13). (a) Score plot colored according to the refining process, (b) score plot colored according to the botanical origin, and (c) loading plot. See Table 1 for abbreviations.
