[5] [5] Fanti G, Zagotto G. Blood reinforced by pigments in the reddish stains of the Turin Shroud[J]. Journal of Cultural Heritage, 2017, 25: 113-120. DOI: 10.1016/j.culher.2016.12.012.

[6] [6] Li Q, ChenJ, HuyanZ, et al.. Application of Fourier transform infrared spectroscopy for the quality and safety analysis of fats and oils: A review. Critical Reviews in Food Science and Nutrition, 2018, 59(22), 3597-3611.

[8] [8] Filopoulou A, Vlachou S, Boyatzis S C. Fatty acids and their metal salts: a review of their infrared spectra in light of their presence in cultural heritage[J]. Molecules, 2021, 26(19): 6005.

[9] [9] Helwig K, Forest ?, Turcotte A, et al. The formation of calcium fatty acid salts in oil paint: two case studies[J]. Metal Soaps in Art: Conservation and Research, 2019: 297-311.

[10] [10] Hammann S, Scurr D J, Alexander M R, et al. Mechanisms of lipid preservation in archaeological clay ceramics revealed by mass spectrometry imaging[J]. Proceedings of the National Academy of Sciences, 2020, 117(26): 14688-14693.

[12] [12] Rasmussen K L, van der Plicht J, La Nasa J, et al. Investigations of the relics and altar materials relating to the apostles St James and St Philip at the Basilica dei Santi XII Apostoli in Rome[J]. Heritage Science, 2021, 9: 1-30.

[13] [13] ucejko, Jeannette, et al. Chemical analyses of Egyptian mummification balms and organic residues from storage jars dated from the Old Kingdom to the Copto-Byzantine period. Journal of Archaeological Science 2017, 85: 1-12.

[14] [14] Kramberger B, Ogrinc N, Poto?nik D, et al. The multi-disciplinary study of Early Copper Age lamps from Zgornje Radvanje (NE Slovenia)[J]. Quaternary International, 2020, 569: 102-119.

[16] [16] Ding L, Yang Q, Liu J, et al. Evaluating volatile organic compounds from Chinese traditional handmade paper by SPME-GC/MS. Heritage Science, 2021, 9(1): 1-16.

[17] [17] Strli M, Cigi I K, Kolar J, et al. Non-destructive evaluation of historical paper based on pH estimation from VOC emissions. Sensors, 2007, 7(12): 3136-3145.

[18] [18] Banou P, Alexopoulou A, Chranioti C, et al. The effect of oil binders on paper supports via VOC analysis. Journal of cultural heritage, 2016, 20: 589-598.

[19] [19] Banou P, Boyatzis, Choulis K, et al. Oil media on paper: investigating the effect of linseed oils on lignocellulosic paper supports. Analytica, 2022, 3(3): 266-286.