,… Another remarkable component present in some Rubia species and in particular Rubia tinctorum L. (Madder) is lucidin-3-O-primeveroside. This particular component drives off the varied carpet beetle (Anthrenus verbasci L.) called in dutch ‘Museumkever’ because it is considered a pest because it not only scavenges on other dead insects but also hair, feathers, natural fibers and dead skin, it leaves its eggs in tapestries and woolly objects leaving a black corroded areas when it hatches.
This year the 29th ‘Dyes in History and Archeology Meeting‘ was organized by the department of Conservation and Restoration Centre for …
The CHARISMA project will organize next year two workshops devoted to natural organic colorants.
Prior to these workshops an expert meeting was organized at the Netherlands Institute for Cultural Heritage (ICN). The expert meeting was dedicated both on dyeing and pigment preparation from natural organic colorants. The main goals of this meeting were; one to serve as a pilot for the workshops to be held next year in Munich and Brussels, two to share knowledge with the European partners working with these subjects and three to create new reference materials, that can be used as study objects.