Fig. 6. Microscopic examination of the tissue histology of vital organs (liver, kidney and heart) to examine any necrosis or histological changes compared to the control for these organs after treatment with the formulations; (a) heart tissue of control; (1a) treated with NLs, (2a) treated with ENLs and (3a) treated with ENL-control; (b) liver tissue of control, (1b) treated with NLs, (2b) treated with ENLs and (3b) treated with ENL-control; (c) kidney tissue of control, (1c) treated with NLs, (2c) treated with ENLs and (3c) treated with ENL-control.