Chemical profile of the organic residues from ancient amphoras found in Pyrgi and Castrum Novum Tyrrhenian sea (Italy)

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23330%2F19%3A43952884" target="_blank" >RIV/49777513:23330/19:43952884 - isvavai.cz</a>

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S2352409X18306205" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2352409X18306205</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jasrep.2019.02.002" target="_blank" >10.1016/j.jasrep.2019.02.002</a>

Result language

angličtina

Original language name

Chemical profile of the organic residues from ancient amphoras found in Pyrgi and Castrum Novum Tyrrhenian sea (Italy)

Original language description

Abstract: The organic residues in the form of the black layer spots mainly inside amphoras found on the places of former ancient ports Pyrgi and Castrum Novum on the coast of the Tyrrhenian Sea were investigated using GC-MS and HPLC with fluorimetric detection. According to our hypotheis the residues could be some waterproofing materials from pine trees which ensure that amphoras could be used for transportation and storage of liquids. The samples of the residues were removed and extracted with hexane for GC-MS analysis of hydrocarbons and after evaporation of hexane and silylation of the residue with MSTFA for the analysis of fatty and resin acids and finally after evaporation of hexane and dilution of the residue with methanol for HPLC analysis of pinosylvin and confirmation of retene presence using fluorimetric detector. 18-Norabieta-8,11,13-triene, 19-norabieta-8,11,13-triene and 1,2,3,4-tetrahydroretene were found in hexane extract and they are intermediates from the tar/pitch production process. The most abundant peak in the chromatogram of hexane extract was dehydroabietic acid and retene. The latter is considered as a marker for pine pitch. The most abundant compound in derivatized hexane extract was also dehydroabietic acid, which occurs in fresh resins only as a minor component. This molecule is forming during the oxidative dehydrogenation of abietic acid, which predominates in original rosins. Pinosylvin was found in methanolic extract by HPLC with fluorimetric detection and it is to our knowledge the first findings of this substance in archaeological samples and it supports together with above mentioned compounds the hypothesis of the resin origin from Pinaceae family trees.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

60102 - Archaeology

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2019

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Archaeological Science: Reports

ISSN

2352-409X

e-ISSN

—

Volume of the periodical

24

Issue of the periodical within the volume

APR 2019

Country of publishing house

GB - UNITED KINGDOM

Number of pages

8

Pages from-to

565-573

UT code for WoS article

000466995200052

EID of the result in the Scopus database

2-s2.0-85061635536