Research Article
Physicochemical, Antioxidant, and Sensory Characteristics of Sponge Cake Fortified with Quinoa Flour, Oolong, and White Tea Powder
Figure 6
3D surface plots for the effect of variables on antioxidant activity of sponge cake samples (a) day 0, (b) day 7, (c) day 14, and (d) day 21 of storage. (OT: oolong tea powder; WT: white tea powder; QF: quinoa flour).
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