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.
Aroma characteristics of grapes. (A), PCA analysis for the effect of vintage on aroma substances. (B), PCA analysis for the effect of treatment on aroma substances. (C), RDA/CCA analysis for the characteristic aroma substances. (D), Random forest analysis for the characteristic aroma substances. R, red. W, white. B, black. CK, control group. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
