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Table 4 Verification of model for predicted optimum treatment conditions (78.9 °C and 3.8 h)

From: Optimization protocol for the extraction of 6-gingerol and 6-shogaol from Zingiber officinale var. rubrum Theilade and improving antioxidant and anticancer activity using response surface methodology

  6-gingerol (mg/g DW) 6-shogaol (mg/g DW) Antioxidant activity (%)
Predicted 2.89 1.85 84.3
Experimental 2.92 1.88 84.0