Skip to main content
Journal of Genetic Engineering and Biotechnology
Fig. 2 | Journal of Genetic Engineering and Biotechnology

Fig. 2

From: In vivo evaluation of the toxicity, genotoxicity, histopathological, and anti-inflammatory effects of the purified bioglycerol byproduct in biodiesel industry

Fig. 2

Photomicrograph of vertical sections in skin of all tested groups. a Normalappearance in both epidermis E and dermis D in control group. b Notable increase in thickness of epidermis E in pharmaceutical glycerol (5%) group. c, d Ulcers (black arrow) and shrinkage in the epidermis layer and degeneration of dermis (stars) was noticeable in the unpurified bioglycerol group (5%) (black stars). e Slight shrinkage and irregularity of epidermal layer accompanied by normal appearance of dermis in partially purified bioglycerol group (5%) (after 1st zeolite's adsorption). f Notable increase in thickness of epidermis and dermis of purified bioglycerol group (5%) (red arrow)

Back to article page