Biological-degradation, lignin performance and physical-chemical characteristics of historical wood in an ancient tomb

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41320%2F25%3A103079" target="_blank" >RIV/60460709:41320/25:103079 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S1878614625000546" target="_blank" >https://www.sciencedirect.com/science/article/pii/S1878614625000546</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.funbio.2025.101588" target="_blank" >10.1016/j.funbio.2025.101588</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Biological-degradation, lignin performance and physical-chemical characteristics of historical wood in an ancient tomb

Popis výsledku v původním jazyce

Biodeterioration assessments of archaeological woods, also comparisons with recent wood, provides an effective strategy for its conservation in cultural-heritage. This research aimed to analyze some wooden structures of an ancient tomb, situated in West-Azerbaijan province of Iran adjacent to Lake-Urmia. The anatomical characteristics of historical wood (HW) was investigated to identify species and trace xylem micro-morphological variations in detail. Chemical-changes of deteriorated wood were examined using X-ray diffraction (XRD) and ATRFTIR spectroscopy, and its wood-water interactions were compared with the recent new-wood. Macro/micromorphological and mycological assessment of historical poplar wood (Populus alba) confirmed signs of soft-rot fungi, and recent attacks by wood-boring (Xylophagous) insects probably due to local climate-change. Type-I microcavities and advanced soft-rot decay caused cell-walls depletion or deformation, which was visually observed in HW by discoloration and transverse-cracks. Based on Optical- and SEM-microscopy, lignin preservation was observed in the middle-lamella and especially the vessels rich in guaiacyl-lignin (G-type) units. However, the fiber walls were susceptible to fungal degradation due to syringyl-lignin (S-type). Histochemical changes increased the porosity, hygroscopicity, and especially water-absorption (1h-720h) of HW compared to the corresponding new-wood, introducing the severity of damage and treatability criteria for conservationists. Lignin increment, loss of cellulose-crystallinity in XRD (70.5 to 59.9 %) and FTIR ratios (1280/1200, 1317/ 1336), and also preferential-degradation of polysaccharides were confirmed through chemical analyses of softrot decayed wood. These findings, in addition to helping monitor potential risks of wooden artifacts, especially non-durable species, facilitate preventive and protective management of archaeological-heritage in both wet and dry environments.

Název v anglickém jazyce

Biological-degradation, lignin performance and physical-chemical characteristics of historical wood in an ancient tomb

Popis výsledku anglicky

Biodeterioration assessments of archaeological woods, also comparisons with recent wood, provides an effective strategy for its conservation in cultural-heritage. This research aimed to analyze some wooden structures of an ancient tomb, situated in West-Azerbaijan province of Iran adjacent to Lake-Urmia. The anatomical characteristics of historical wood (HW) was investigated to identify species and trace xylem micro-morphological variations in detail. Chemical-changes of deteriorated wood were examined using X-ray diffraction (XRD) and ATRFTIR spectroscopy, and its wood-water interactions were compared with the recent new-wood. Macro/micromorphological and mycological assessment of historical poplar wood (Populus alba) confirmed signs of soft-rot fungi, and recent attacks by wood-boring (Xylophagous) insects probably due to local climate-change. Type-I microcavities and advanced soft-rot decay caused cell-walls depletion or deformation, which was visually observed in HW by discoloration and transverse-cracks. Based on Optical- and SEM-microscopy, lignin preservation was observed in the middle-lamella and especially the vessels rich in guaiacyl-lignin (G-type) units. However, the fiber walls were susceptible to fungal degradation due to syringyl-lignin (S-type). Histochemical changes increased the porosity, hygroscopicity, and especially water-absorption (1h-720h) of HW compared to the corresponding new-wood, introducing the severity of damage and treatability criteria for conservationists. Lignin increment, loss of cellulose-crystallinity in XRD (70.5 to 59.9 %) and FTIR ratios (1280/1200, 1317/ 1336), and also preferential-degradation of polysaccharides were confirmed through chemical analyses of softrot decayed wood. These findings, in addition to helping monitor potential risks of wooden artifacts, especially non-durable species, facilitate preventive and protective management of archaeological-heritage in both wet and dry environments.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20502 - Paper and wood

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Fungal Biology

ISSN

1878-6146

e-ISSN

1878-6146

Svazek periodika

129

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

11

Strana od-do

1-11

Kód UT WoS článku

001484172200001

EID výsledku v databázi Scopus

—