{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T11:06:09Z","timestamp":1775473569237,"version":"3.50.1"},"reference-count":80,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2018,5,3]],"date-time":"2018-05-03T00:00:00Z","timestamp":1525305600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>In this review, a brief description of how animal skins were transformed in leathers in Europe using different vegetable tannins will be presented. Special attention will be dedicated to the description of the type of tannins and the characteristics of the most important type of historic leathers thus obtained. The text will also focus on the description of the techniques used in the identification of these tannins in historic objects: colorimetric tests and spectroscopic analysis.<\/jats:p>","DOI":"10.3390\/molecules23051081","type":"journal-article","created":{"date-parts":[[2018,5,4]],"date-time":"2018-05-04T03:08:21Z","timestamp":1525403301000},"page":"1081","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":148,"title":["Vegetable Tannins Used in the Manufacture of Historic Leathers"],"prefix":"10.3390","volume":"23","author":[{"given":"Lina","family":"Falc\u00e3o","sequence":"first","affiliation":[{"name":"Artistic Studies Research Centre, Faculty of Fine Arts, University of Lisbon, Largo da Academia Nacional de Belas-Artes, 1249-058 Lisboa, Portugal"},{"name":"Centre of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Lisbon, Campo Grande, Edif\u00edcio C-8, 1749-016 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9876-9015","authenticated-orcid":false,"given":"Maria","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Centre of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Lisbon, Campo Grande, Edif\u00edcio C-8, 1749-016 Lisboa, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2018,5,3]]},"reference":[{"key":"ref_1","unstructured":"Covington, A.D. (2009). Tanning Chemistry: The Science of Leather, Royal Society of Chemistry."},{"key":"ref_2","unstructured":"Forbes, R.J. (1966). Studies in Ancient Technology, Brill Publishers. [2nd ed.]."},{"key":"ref_3","unstructured":"Reed, R. (1972). Ancient Skins, Parchments and Leathers, Seminar Press."},{"key":"ref_4","first-page":"45","article-title":"Vegetable tannage: Where do the tannins go?","volume":"81","author":"Haslam","year":"1997","journal-title":"J. Soc. Leather Technol. Chem."},{"key":"ref_5","unstructured":"Goffer, Z. (2007). Archaeological Chemistry, John Wiley & Sons. [2nd ed.]."},{"key":"ref_6","doi-asserted-by":"crossref","unstructured":"Oleson, J.P. (2009). Tanning and leather. The Oxford Handbook of Engineering and Technology in the Classical World, Oxford University Press.","DOI":"10.1093\/oxfordhb\/9780199734856.001.0001"},{"key":"ref_7","unstructured":"Chahine, C. (2013). Cuir et Parchemin ou la M\u00e9tamorphose de la Peau, CNRS \u00c9ditions."},{"key":"ref_8","unstructured":"Sharphouse, J.H. (1995). Leather Technician\u2019s Handbook, Leather Producers\u2019 Association. [75th ed.]."},{"key":"ref_9","unstructured":"Florian, M.-L. (2008). Protein Facts: Fibrous Proteins in Cultural Artifacts, Archetype Publications."},{"key":"ref_10","unstructured":"Thomson, R., and Mould, Q. (2011). Skin, leather and tanning: Some definitions. Leather Tanneries: The Archaeological Evidence, Archetype Publications\u2014Archaeological Leather Group."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"831","DOI":"10.1021\/ed004p831","article-title":"The beginnings of leather chemistry","volume":"4","year":"1927","journal-title":"J. Chem. Educ."},{"key":"ref_12","unstructured":"Az\u00e9ma, J.-P. (2004). Moulins du Cuir et de la Peau: Moulins a Tan et \u00e0 Chamoiser en France, \u00c9ditions Creer."},{"key":"ref_13","unstructured":"Waterer, J.H. (1968). Leather Craftsmanship, G. Bell and Sons."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1179\/pma.1981.003","article-title":"Leather manufacture in the postmedieval period with special reference to Northamptonshire","volume":"15","author":"Thomson","year":"1981","journal-title":"Post Med. Archaeol."},{"key":"ref_15","unstructured":"Thomson, R., and Beswick, J.A. (1983). Developments in tanning methods during the Post-Medieval Period (1500\u20131850). Leather Manufacture through the Ages, Proceedings of the 27th East Midlands Industrial Archaeology Conference, Arkle Print Ltd."},{"key":"ref_16","unstructured":"Sol, B. (1994). L\u2019\u00e9volution des proc\u00e9d\u00e9s de tannage v\u00e9g\u00e9tal. Environnement et Conservation de l\u2019\u00c9crit, de l\u2019Image et du Son, Association pour la Recherche Scientifique sur les Arts Graphiques-ARSAG."},{"key":"ref_17","unstructured":"Miguelez, C. (1805). Arte de Curtir \u00f3 Instruccion General de Curtidos, Imprenta Real."},{"key":"ref_18","unstructured":"Procter, H.R. (1885). A Text-Book of Tanning: A Treatise on the Conversion of Skins into Leather, E. & F. N. Spon."},{"key":"ref_19","unstructured":"Villon, A.-M. (1889). Trait\u00e9 Pratique de la Fabrication des Cuirs et du Travail des Peaux, Librairie Polytechnique."},{"key":"ref_20","unstructured":"Bennett, H.G. (1920). The Manufacture of Leather, Constable & Company Ltd."},{"key":"ref_21","unstructured":"Mould, Q., Carlisle, I., and Cameron, E. (2003). Leather and leatherworking in Anglo-Scandinavian and Medieval York, Council for the British Archaeology."},{"key":"ref_22","unstructured":"Departament de Cultura (1992). L'Art en la Pell. Cordovans i Guadamassils de la Collecci\u00f3 Colomer Munmany, Departament de Cultura."},{"key":"ref_23","unstructured":"Nenno, R., and Rathke, C. (2006). Lederlust: Meisterwerke der Angewandten Kunst aus dem Deutschen Ledermuseum Offenbach, Kerber Christof Verlag."},{"key":"ref_24","unstructured":"Thomson, R. (2006). Leather. Conservation Science: Heritage Materials, The Royal Society of Chemistry."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"899","DOI":"10.2533\/chimia.2008.899","article-title":"The chemical degradation of leather","volume":"62","author":"Larsen","year":"2008","journal-title":"Chimia"},{"key":"ref_26","unstructured":"Hagerman, A.E. (2018, March 28). The Tannin Handbook. Available online: http:\/\/chemistry.muohio.edu\/hagerman."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"641","DOI":"10.1039\/b101061l","article-title":"Tannins: Classification and definition","volume":"18","author":"Khanbabaee","year":"2001","journal-title":"Nat. Prod. Rep."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"2626","DOI":"10.1039\/C5GC00282F","article-title":"Chemical modification of tannins to elaborate aromatic biobased macromolecular architectures","volume":"17","author":"Arbenz","year":"2015","journal-title":"Green Chem."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"586","DOI":"10.1002\/anie.201000044","article-title":"Plant Polyphenols: Chemical Properties, Biological Activities, and Synthesis","volume":"50","author":"Quideau","year":"2011","journal-title":"Angew. Chem."},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Kite, M., and Thomson, R. (2006). The manufacture of leather. Conservation of Leather and Related Materials, Butterworth Heinemann-Elsevier.","DOI":"10.4324\/9780080454665"},{"key":"ref_31","unstructured":"Trommer, B. (2008). Archa\u00f6logisches Leder: Herkunft, Gerbstoffe, Technologien, Alterungs\u2013und Abbauverhalten, VDM."},{"key":"ref_32","first-page":"578","article-title":"Tanning materials (vegetable)","volume":"Volume 13","author":"Kirk","year":"1954","journal-title":"Encyclopedia of Chemical Technology"},{"key":"ref_33","doi-asserted-by":"crossref","unstructured":"Howes, F.N. (1953). Vegetable Tanning Materials, Butterworths Scientific Publications.","DOI":"10.2307\/4117375"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"642","DOI":"10.1007\/BF02249631","article-title":"Study of the catechins and proanthocyanidins of Quercus robur","volume":"33","author":"Kuliev","year":"1997","journal-title":"Chem. Nat. Compd."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"264","DOI":"10.1055\/s-2006-959666","article-title":"Proanthocyanidins from Quercus petraea Bark","volume":"59","author":"Pallenbach","year":"1993","journal-title":"Planta Med."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1016\/j.vibspec.2014.08.001","article-title":"Application of ATR\u2013FTIR spectroscopy to the analysis of tannins in historic leathers: The case study of the upholstery from the 19th century Portuguese Royal Train","volume":"74","year":"2014","journal-title":"Vib. Spectrosc."},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1021\/ol503212v","article-title":"Reinvestigation of the stereochemistry of the C-glycosidic ellagitannins, vescalagin and castalagin","volume":"17","author":"Matsuo","year":"2015","journal-title":"Org. Lett."},{"key":"ref_38","first-page":"561","article-title":"A ind\u00fastria no distrito de \u00c9vora, 1836-90","volume":"26","author":"Matos","year":"1991","journal-title":"Anal. Soc."},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"3166","DOI":"10.1021\/jf970863k","article-title":"Polyphenolic Composition of Quercus suber Cork from Different Spanish Provenances","volume":"46","author":"Conde","year":"1998","journal-title":"J. Agric. Food Chem."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1007\/BF00988096","article-title":"Distribution of birch (Betula spp.), willow (Salix spp.), and poplar (Populus spp.) secondary metabolites and their potential role as chemical defense against herbivores","volume":"10","author":"Palo","year":"1984","journal-title":"J. Chem. Ecol."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1016\/j.indcrop.2013.10.009","article-title":"Spruce bark as an industrial source of condensed tannins and non-cellulosic sugars","volume":"52","author":"Kemppainen","year":"2014","journal-title":"Ind. Crops Prod."},{"key":"ref_42","unstructured":"(2018, March 28). No II. Extract of Mimosa-Bark, for the Use of Tanners. Available online: http:\/\/www.jstor.org\/stable\/41325900."},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1016\/j.phytochem.2013.06.007","article-title":"Analysis of commercial proanthocyanidins. Part 4: Solid state 13C NMR as a tool for in situ analysis of proanthocyanidin tannins, in heartwood and bark of quebracho and acacia, and related species","volume":"94","author":"Reid","year":"2013","journal-title":"Phytochemistry"},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"2287","DOI":"10.1021\/acs.jnatprod.6b00380","article-title":"Detailed Chemical Composition of Condensed Tannins via Quantitative 31P NMR and HSQC Analyses: Acacia catechu, Schinopsis balansae, and Acacia mearnsii","volume":"79","author":"Crestini","year":"2016","journal-title":"J. Nat. Prod."},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1080\/03746600508685088","article-title":"Oak as a commercial crop in the eighteenth and nineteenth centuries","volume":"57","author":"Smout","year":"2005","journal-title":"Bot. J. Scotl."},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"6978","DOI":"10.3390\/ijms16046978","article-title":"A Review of Polyphenolics in Oak Woods","volume":"16","author":"Zhang","year":"2015","journal-title":"Int. J. Mol. Sci."},{"key":"ref_47","first-page":"88","article-title":"Le Quebracho","volume":"30","author":"Jumelle","year":"1924","journal-title":"Rev. Bot. Appl. Agric. Colon."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1016\/j.phytochem.2011.10.006","article-title":"Analysis of commercial proanthocyanidins. Part 1: The chemical composition of quebracho (Schinopsis lorentzii and Schinopsis balansae) heartwood extract","volume":"73","author":"Venter","year":"2012","journal-title":"Phytochemistry"},{"key":"ref_49","first-page":"154","article-title":"Different approaches to evaluate tannin content and structure of selected plant extracts\u2014Review and new aspects","volume":"86","author":"Kardel","year":"2013","journal-title":"J. Appl. Bot. Food Qual."},{"key":"ref_50","first-page":"171","article-title":"Cuatro textos sobre literatura t\u00e9cnica medieval sobre el trabajo del cuero","volume":"5\u20136","year":"2002","journal-title":"Merid. Rev. Hist. Med."},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"51","DOI":"10.4000\/medievales.3443","article-title":"Le redoul, herbe des tanneurs et des teinturiers. Collecte, commercialisation et utilisations d\u2019une plante sauvage dans l\u2019espace meridional (XIIIe-XVe si\u00e8cles)","volume":"53","author":"Cardon","year":"2007","journal-title":"M\u00e9di\u00e9vales"},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/S1537-5110(02)00246-5","article-title":"Optimisation of extraction and identification of gallotannins from sumac leaves","volume":"84","author":"Zalacain","year":"2003","journal-title":"Biosyst. Eng."},{"key":"ref_53","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1016\/j.jpba.2012.08.017","article-title":"A rapid profiling of gallotannins and flavonoids of the aqueous extract of Rhus coriaria L. by flow injection analysis with high-resolution mass spectrometry assisted with database searching","volume":"72","author":"Regazzonia","year":"2013","journal-title":"J. Pharm. Biomed. Anal."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"11941","DOI":"10.3390\/molecules200711941","article-title":"Chemical Characterization of Different Sumac and Pomegranate Extracts Effective against Botrytis cinereal Rots","volume":"20","author":"Romeo","year":"2015","journal-title":"Molecules"},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"366","DOI":"10.1007\/s11418-008-0251-2","article-title":"Polyphenolic compounds isolated from the leaves of Myrtus communis","volume":"62","author":"Yoshimura","year":"2008","journal-title":"J. Nat. Med."},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"7165","DOI":"10.15376\/biores.10.4.7165-7177","article-title":"Analysis of Valonia Oak (Quercus aegylops) Acorn Tannin and Wood Adhesives Application","volume":"10","author":"Abdalla","year":"2015","journal-title":"BioResources"},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"1815","DOI":"10.1007\/s10668-016-9829-0","article-title":"Dividivi tannins: An ecological product for water-based drilling fluids","volume":"19","author":"Rengifo","year":"2017","journal-title":"Environ. Dev. Sustain."},{"key":"ref_58","first-page":"37","article-title":"Vegetable tannins","volume":"1","author":"Florian","year":"1984","journal-title":"Leather Conserv. News"},{"key":"ref_59","unstructured":"Larsen, R. (1996). Recommendations on the production, artificial ageing, assessment, storage and conservation of vegetable tanned leather. Environment Leather Project: Deterioration and Conservation of Vegetable Tanned Leather\u2014Research Report No. 6, The Royal Danish Academy of Fine Arts."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1006\/jasc.2000.0649","article-title":"Practical evaluation of a field test for the identification of ancient vegetable tanned leathers","volume":"29","year":"2002","journal-title":"J. Archaeol. Sci."},{"key":"ref_61","unstructured":"Vontobel, R. (2002, January 22\u201327). Presentation and evaluation of spot tests for identification of the tannin type in vegetable tanned leather. Proceedings of the 13th Triennal Meeting ICOM Committee for Conservation, Rio de Janeiro, Brazil."},{"key":"ref_62","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/j.culher.2010.10.005","article-title":"Tannins characterisation in new and historic vegetable tanned leathers fibres by spot tests","volume":"12","year":"2011","journal-title":"J. Cult. Herit."},{"key":"ref_63","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1080\/19455224.2013.815646","article-title":"Evaluation of the use of SC6000 in conjunction with Klucel G as a conservation treatment for bookbinding leather: Notes on a preliminary study","volume":"36","author":"Johnson","year":"2013","journal-title":"J. Inst. Conserv."},{"key":"ref_64","unstructured":"Wouters, J. (1993, January 22\u201327). High-performance liquid chromatography of vegetable tannins extracted from new and old leathers. Proceedings of the 10th Triennal Meeting ICOM Committee for Conservation, Washington, DC, USA."},{"key":"ref_65","unstructured":"Odegaard, N., Carroll, S., and Zimmt, W.S. (2005). Material Characterization Tests for Objects of Art and Archaeology, Archetype Publications. [2nd ed.]."},{"key":"ref_66","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1016\/j.culher.2012.11.003","article-title":"Tannins characterization in historic leathers by complementary analytical techniques ATR-FTIR, UV-Vis and chemical tests","volume":"14","year":"2013","journal-title":"J. Cult. Herit."},{"key":"ref_67","unstructured":"Hemingway, R.W., and Laks, P.E. (1992). Quantitative methods for the estimation of tannins in plant tissues, In Plant. Polyphenols: Synthesis, Properties, Significance, Plenum Press."},{"key":"ref_68","first-page":"825","article-title":"Modification of the method of Broadhurst and Jones for proving of tannins in cultural-historical objects","volume":"62","author":"Nikolova","year":"2009","journal-title":"C. R. Acad. Bulg. Sci."},{"key":"ref_69","doi-asserted-by":"crossref","first-page":"1678","DOI":"10.1021\/jf00098a011","article-title":"Quantitative determination of ellagic acid","volume":"38","author":"Wilson","year":"1990","journal-title":"J. Agric. Food Chem."},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/0003-2697(88)90296-5","article-title":"Determination of gallotannins with rhodanine","volume":"169","author":"Inoue","year":"1988","journal-title":"Anal. Biochem."},{"key":"ref_71","first-page":"261","article-title":"Spectroscopic characterization and molecular weight of vegetable tannins","volume":"83","author":"Nakagawa","year":"1999","journal-title":"J. Soc. Leather Technol. Chem."},{"key":"ref_72","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1016\/j.foodchem.2010.01.002","article-title":"Fingerprint of enological tannins by multiple techniques approach","volume":"121","author":"Laghi","year":"2010","journal-title":"Food Chem."},{"key":"ref_73","first-page":"923","article-title":"Spectral technics for identifying tanning agents in the heritage leather items","volume":"58","author":"Giurginca","year":"2007","journal-title":"Rev. Chim."},{"key":"ref_74","unstructured":"Derrick, M.R., Stulik, D.C., and Landry, J.M. (1999). Infrared Spectroscopy in Conservation Science, The Getty Conservation Institute."},{"key":"ref_75","doi-asserted-by":"crossref","unstructured":"Stuart, B.H. (2007). Analytical Techniques in Materials Conservation, John Wiley & Sons.","DOI":"10.1002\/9780470060520"},{"key":"ref_76","unstructured":"Bonnot-Diconne, C., Robinet, L., Pacheco, C., Ioele, M., and Paris, M. (2014, January 15\u201319). Multi-technique analysis of gilt-leather wall coverings (16th\u201318th centuries). Proceedings of the ICOM-CC 17th Triennial Conference Preprints, Melbourne, Australia."},{"key":"ref_77","first-page":"49","article-title":"Caracteriza\u00e7\u00e3o de cabedais adamascados e guadamecis dos s\u00e9culos XVII e XVIII por ATR","volume":"27","author":"Pereira","year":"2018","journal-title":"Conserv. Patrim."},{"key":"ref_78","doi-asserted-by":"crossref","first-page":"407","DOI":"10.1080\/05704928.2014.1000461","article-title":"Application of Fourier transform infrared (FTIR) spectroscopy in the characterization of tannins","volume":"50","author":"Ricci","year":"2015","journal-title":"Appl. Spectrosc. Rev."},{"key":"ref_79","doi-asserted-by":"crossref","first-page":"422","DOI":"10.1016\/j.indcrop.2014.11.005","article-title":"Middle infrared (ATR FT-MIR) characterization of industrial tannin extracts","volume":"65","author":"Tondi","year":"2015","journal-title":"Ind. Crops Prod."},{"key":"ref_80","doi-asserted-by":"crossref","first-page":"1240","DOI":"10.3390\/molecules16021240","article-title":"Tannin fingerprinting in vegetable tanned leather by solid state NMR spectroscopy and comparison with leathers tanned by other processes","volume":"16","author":"Romer","year":"2011","journal-title":"Molecules"}],"container-title":["Molecules"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1420-3049\/23\/5\/1081\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T15:03:11Z","timestamp":1760194991000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1420-3049\/23\/5\/1081"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,5,3]]},"references-count":80,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2018,5]]}},"alternative-id":["molecules23051081"],"URL":"https:\/\/doi.org\/10.3390\/molecules23051081","relation":{},"ISSN":["1420-3049"],"issn-type":[{"value":"1420-3049","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,5,3]]}}}