[article]
| Titre : |
Armenian cochineal (Porphyrophora hamelii) and purpurin-rich madder in ancient polychromy |
| Type de document : |
texte imprimé |
| Auteurs : |
Dimitrios Mantzouris, Auteur ; Ioannis Karapanagiotis, Auteur |
| Année de publication : |
2015 |
| Article en page(s) : |
p. 370-373 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Alizarine L'alizarine est un colorant rouge d'origine végétale, extrait de la racine de la garance des teinturiers (Rubia tinctorum L.), une plante vivace de la famille des Rubiacées, autrefois largement cultivée pour la teinture qu'elle fournissait.
Antiquités (objets anciens) -- Analyse
Cochenilles
Colorants -- Identification
Extraction par solvant
Garance et constituants
|
| Index. décimale : |
667.2 Colorants et pigments |
| Résumé : |
Samples removed from funeral figurines, dated the third to the second century BC (Hellenistic period) and found in Macedonia, Greece, are investigated using high-performance liquid chromatography. Two results are reported that provide new insights into ancient polychromy. Firstly, high-performance liquid chromatography results, in combination with historical information, indicate that insect species of cochineal, most probably Porphyrophora hamelii Brandt, was used in Hellenistic objects. Secondly, madder detected in the archaeological samples contains high amounts of purpurin (alizarin is either not detected or detected in trace). This relative composition, which is recorded using the hydrochloric acid method for dyestuff extraction, is consistent with that prepared from wild madder (Rubia peregrina L.), which is a common plant in the Mediterranean region. |
| Note de contenu : |
- Solvents and chemicals
- Samples for analysis
- Sample preparation
- Chromatography
|
| DOI : |
10.1111/cote.12169 |
| En ligne : |
https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12169 |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24663 |
in COLORATION TECHNOLOGY > Vol. 131, N° 5 (10/2015) . - p. 370-373
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