Minium (pigment) 300 B.C. It was known in the Han Dynasty (200 BC-200 AD) under the name "cinnabar of lead" ("ch'ien tan"), The process of manufacturing it was described in a Chinese manuscript of the 5th century. Minium was widely used for Persian miniature painting and Indian miniature painting. Minium (pigment) Minium, also known as red lead, is a bright orange red pigment that was widely used in the Middle Ages for the decoration of manuscripts and for painting. It was made by roasting white lead pigment in the air; the white lead would gradually turn yellow, then into an orange lead
Biological pigment debromohymenialdisine have several lead compounds in the field of inflammation, rheumatoid arthritis and osteoarthritis respectively. There’s evidence that topsentins are potent mediators of immunogenic inflation, and topsentin and scytonemin are potent inhibitors of neurogenic inflammation. Pigments may be extracted and used as dyes. Pigments (such as astaxanthin and lycopene) are used as dietary supplements. Biological pigment Biological pigments, also known simply as pigments or biochromes, are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments. Many biological structures, such as skin, eyes, feathers, fur and hair contain