[5] To address these issues, the mummy was moved to a drier spot in the catacombs, and her original coffin was placed in a hermetically sealed glass enclosure with nitrogen gas to prevent decay.

Chronological and biological considerations" note 21, p. 90 from the book La Dimora delle Anime by Di Cristina et al., 2007:"Alfredo Salafia studied the process of mummification of the bodies and dedicated his life to the research of the methods to preserve the corpses by the use of pharmacological substances and chemical preparations.

It consists of around 30 handwritten pages where Salafia performs a concise description of the mummification techniques from the Egyptians to the Capuchins, and provides information on the European and American studies in the first years of the twentieth century; in his treatise he describes his own (embalming) method and describes the history of the embalming procedures of some illustrious personages, (whose bodies were) well-preserved thanks to his method: among those (are), Francesco Crispi, the cardinal Michelangelo Celesia, Archbishop of Palermo, and the Senator Giacomo Armò»."

[1][8] Rossella Lorenzi of Discovery News reported that the formalin was used to kill bacteria, the glycerin used to prevent desiccation, and the salicylic acid used to eliminate any fungi within the flesh, with the purpose of the zinc salts being petrifaction.

[9] In response to speculation about her moving eyelids, Piombino-Mascali stated that "It's an optical illusion produced by the light that filters through the side windows, which during the day is subject to change ... [her eyes] are not completely closed, and indeed they have never been".