| TPC | total phenolic content |
| TFC | total flavonoid content |
| TAC | total anthocyanin content |
| TSS | total soluble solids |
| TA | titratable acidity |
| PCA | principal component analysis |
| HPLC | high-performance liquid chromatography |
| CIELAB | CIE Lab* colour space |
| GAE | gallic acid equivalents |
| QE | quercetin equivalents |
| CAE | citric acid equivalents |
| SD | standard deviation. |
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.