Quality control of natural resins used in historical European lacquer reconstructions with some reflections on the composition of sandarac resin (Tetraclinis articulata (Vahl) Mast.)

被引：2

作者：

Decq, Louise ^{[1
,2
]}

Stoffelen, Piet ^{[3
]}

Cattersel, Vincent ^{[4
]}

Mazurek, Joy ^{[5
]}

Fremout, Wim ^{[1
]}

Veenhoven, Jonas ^{[1
,2
,6
]}

Lynen, Frederic ^{[2
]}

Saverwyns, Steven ^{[1
]}

Vandenabeele, Peter ^{[2
]}

机构：

[1] Royal Inst Cultural Heritage KIK IRPA, Dept Labs, Jubelpk 1, B-1000 Brussels, Belgium

[2] Univ Ghent, Dept Organ Chem, Krijgslaan 281, B-9000 Ghent, Belgium

[3] Meise Bot Garden, Nieuwelaan 38, B-1860 Meise, Belgium

[4] Univ Antwerp, Fac Design Sci, ARCHES Res Grp, Mutsaardstr 31, B-2000 Antwerp, Belgium

[5] Getty Conservat Inst, 1200 Getty Ctr Dr,Suite 700, Los Angeles, CA 90049 USA

[6] Univ Amsterdam, Fac Humanities, Amsterdam Sch Heritage Memory & Mat Culture AHM, Conservat & Restorat Cultural Heritage, POB 94552, NL-1090 GN Amsterdam, Netherlands

来源：

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2021年 / 158卷

关键词：

European lacquer; THM-GC; MS; THM-py-GC; Quality control; Resins; Sandarac; Cupressaceae; Pyrolysis; CHEMICAL-COMPOSITION; VARNISHES; SPECTROMETRY; DITERPENOIDS; COLLECTION; MIDDLE; GC/MS; ACIDS;

D O I：

10.1016/j.jaap.2021.105159

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In order to verify correct labeling and purity of natural lacquer ingredients sold today, 66 resins, gums and oils were analyzed by THM-GC/MS and compared with non-commercial reference samples. 21 deviations were found, indicating an adulteration or mislabeling of a resin. Many of the deviations occurred in sandarac resin, traditionally harvested from Tetraclinis articulata (Vahl) Mast., which seems to have another composition today than historically. Differences between both types were persistent through artificial aging. This study comprised one freshly harvested sandarac resin, as well as several specimens of historical collections, as reference material for Tetraclinis articulata. The currently sold sandarac was compared with the Tetraclinis articulata references, and with resins from the genera Agathis, Juniperus and Callitris, but its botanical source was not revealed.

引用

页数：10

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