Fig. 4From: Optimization of melanin pigment production from the halotolerant black yeast Hortaea werneckii AS1 isolated from solar salter in AlexandriaSEM analysis of melanin (a) overall view of Hortaea werneckii AS1 pigment, (b) focused view showing size of Hortaea werneckii AS1 melanin crystals (c) overall view of synthetic melanin and (d) size of synthetic melanin crystalsBack to article page