Fig. 4From: Analytical perception and kinesthetic engagement in evaluation of copper chloride crystallization patterns of wheat, grape juice and rocket samples from conventional, organic and biodynamic cultivationCrystallization pictures of grape juice (left) and rocket juice (right) to illustrate the criteria of Table 1. The amount of extract per image was a grape juice 0.24 ml, after 3 days of juice aging, and b rocket juice 0.30 ml, after 4 days of juice aging. All grape images contained 160 mgCuCl2 2H2O per plate and all rocket images contained 150 mg CuCl2 2H2O per plateBack to article page