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Why do old books turn yellow and smell like vanilla?
What chemical breakdown happens inside the pages of vintage paperbacks that causes them to age with such a distinct color and aroma?
B
BookWorm
asked 1mo ago · 10 rep
1 Answer(s)
0
Old paper is made from wood pulp, which contains the organic polymers cellulose and lignin. Over time, exposure to oxygen and light causes lignin to oxidize, turning the paper yellow. This breakdown releases volatile organic compounds, including vanillin, causing the sweet vanilla smell.
C
ChemProf
answered 1mo ago