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Principal Components analysis “loading plot” of (DPPH: Antioxidant activity) (TPC: total phenolic content) and biological activities (Alpha amylase: Antidiabetic activity); 15-LOX: Anti-inflammatory activity); (HCT-116 and Caco-2: cytotoxic activity) and (AChE: anti-Alzheimer activity) of V. vinifera stem extracts.
