"People in earlier times would dye their paper, often using tea leaves or ocher," says Shen Chin. "This book's paper is very brittle and the colors are also not stable. Not only are the beginning and end different, but even each page varies in consistency. This is the typical mark of using tea leaves as a dye."
「前人把紙張染色充舊，常用茶葉或赭當顏料；」沈津說：「這本書紙質很脆，而且顏色不勻，不只前面與後面不同，甚至同一頁中也濃濃淡淡、斑斑點點，這是以茶葉染色，日久之後的典型痕跡。」