Research Article

Antioxidant Characterization of Oak Extracts Combining Spectrophotometric Assays and Chemometrics

Figure 3

Line plot of multiple variables after autoscaling transformation of phenolic content parameters (TPC, TAC, FLC, and PAC). Quercus robur L. (QR) and Quercus petraea L. (QP). TPC: Total phenolic content; TAC: Tannin content; FLC: Flavonoid content; PAC: Proanthocyanidin content.
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