title: 1H NMR study and multivariate data analysis of reindeer skin tanning methods.
abstract: Reindeer skin clothing has been an essential component in the lives of indigenous people of the arctic and sub-arctic regions, keeping them warm during harsh winters. However, the skin processing technology, which often conveys the history and tradition of the indigenous group, has not been well documented. In this study, NMR spectra and relaxation behaviors of reindeer skin samples treated with a variety of vegetable tannin extracts, oils and fatty substances are studied and compared. With the assistance of principal component analysis (PCA), one can recognize patterns and identify groupings of differently treated samples. These methods could be important aids in efforts to conserve museum leather artifacts with unknown treatment methods and in the analysis of reindeer skin tanning processes. Copyright © 2016 John Wiley & Sons, Ltd.
authors.affiliation: Department of Chemistry, New York University, New York, NY, USA.
authors.forename: Lizheng
authors.initials: L
authors.lastname: Zhu
authors.affiliation: Department of Chemistry, New York University, New York, NY, USA.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Ilott
authors.affiliation: Department of Mathematics and Science, Pratt Institute, Brooklyn, NY, USA.
authors.forename: Eleonora
authors.initials: E
authors.lastname: Del Federico
authors.affiliation: Department of Mathematics and Science, Pratt Institute, Brooklyn, NY, USA.
authors.forename: Cindie
authors.initials: C
authors.lastname: Kehlet
authors.affiliation: Museum of Cultural History, University of Oslo, Oslo, Norway.
authors.forename: Torunn
authors.initials: T
authors.lastname: Klokkernes
authors.affiliation: Department of Chemistry, New York University, New York, NY, USA.
authors.forename: Alexej
authors.initials: A
authors.lastname: Jerschow
mesh_terms: D000818:Animals; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D015999:Multivariate Analysis; D010936:Plant Extracts / Q000737:chemistry; D012053:Reindeer; D012621:Seasons; D012867:Skin / Q000737:chemistry*; D013633:Tanning / Q000379:methods*; D013634:Tannins / Q000737:chemistry; D014675:Vegetables / Q000737:chemistry
chemical_list: D010936:Plant Extracts; D013634:Tannins
keywords: 1H NMR; cultural heritage; leather; principal component analysis; tanning