Data interpretation of the sugar composition of the samples analysed in the case d): the polychromy is on a wooden/paper support, contains straw, the xylose/arabinose ratio is higher than 1, or the samples are clearly contaminated by sugars originating from plant tissues present in the environmenta

F fruit tree gum; T tragacanth gum; A arabic gum; E egg; M milk; G animal glue; N/A = not analysed.; N/I = not identified; proteinaceous media were analysed at DCCI according to Lluveras et all [35], and at GCI according to Shilling et all [36].