The green or gold leaf hostas including the variegated forms of these colored leaf perennials are a slugs idea of smorgasbord delights. The waxy coated leaves of this blue hosta are plants that slugs donât like to eat.
Skin pigmentation. Melanin, whose primary function is in pigmentation, has many more important functions to perform in the human body. Protection from UV radiation. Melanin functions as a sunscreen and as a broad spectrum sun radiation absorbent. The absorbed energy causes redox reactions, and both eumelanin and pheomelanin form free radical species. Eumelanin, being more photostable scavenges the originated oxidative species and neutralizes them.
In the words of Dr Llaila Afrika, melanin is a civilising chemical inside the body that actually puts things and organises things to go to the right place at the right time. Melanin does not die, as ancient egyptian remains have been found with traces of melanin still present.itamin D-Is needed for calcium absorbtion and this is converted from the sun's UV rays and us melaninated beings require at least 20 minutes daily sunlight on at least the face and arms (preferably not washing until at least 30minutes after to allow absorbtion into the bloodstream).