Mapunya, M.B. (Manyatja Brenda); Hussein, Ahmed A.; Rodriguez, Benjamin; Lall, Namrita
(Elsevier, 2011)
Hyper-pigmentation of the skin is a common problem that is prevalent in middle aged and elderly
people. It is caused by over production of melanin. Tyrosinase is known to be the key enzyme in
melanin production. Ethanolic ...