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  • ...sappan'', commonly known as sappanwood from Southeast Asia. Its principal colorant is [[brasilin]], a hydroxyanthraquinone, that gives a deep red to brownish ...e use of it appears to have been infrequent. Due to its sensitivity to pH, sappanwood can be manipulated to produce a range of colors as pink, red, or oranges. I
    37 members (0 subcategories, 0 files) - 01:20, 19 May 2024

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