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Debcha
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This is a fascinating piece. A tiny correction: collagen is not 'denatured' to gelatin. Denaturation is what happens at the shrinkage temperature, as the collagen transitions abruptly from elongated fibres to a random coil structure, which is thus shorter. Further heating results in breaks in the backbone of the protein; gelatin consists of these fragments of collagen.
Toggle Commented Feb 25, 2013 on Crisp as a Poppadom at Medieval manuscripts blog
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Feb 25, 2013