Research Article

Development of a Novel Whey Date Beverage Fermented with Kefir Grains Using Response Surface Methodology

Figure 1

Response surface and contour plots that represent the effect of WP and kefir grains (a) and the effect of kefir grains and date syrup on LAB counts (b) (X1: whey permeate (% w/v); X2: date syrup (% w/v); X3: kefir grains (% w/v)).
(a)
(b)