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Opuntia ficus-indica (L.) Mill. and Opuntia stricta (Haw.) Haw. Mucilage-Based Painting Binders for Conservation of Cultural Heritage

Author

Listed:
  • Giulia D’Agostino

    (Physics and Chemistry Department (DiFC), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
    Dipartimento di Scienze dell’Antichità, Università degli Studi di Roma “La Sapienza”, P.le Aldo Moro 5, 00185 Rome, Italy)

  • Rosalia Merra

    (Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, 90128 Palermo, Italy)

  • Natale Badalamenti

    (Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, 90128 Palermo, Italy
    NBFC—National Biodiversity Future Center, 90133 Palermo, Italy)

  • Giuseppe Lazzara

    (Physics and Chemistry Department (DiFC), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
    Centro Interdipartimentale di Ricerca “Riutilizzo Bio-Based Degli Scarti da Matrici Agroalimentari” (RIVIVE), Università degli Sudi di Palermo, 90128 Palermo, Italy)

  • Maurizio Bruno

    (Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, 90128 Palermo, Italy
    NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
    Centro Interdipartimentale di Ricerca “Riutilizzo Bio-Based Degli Scarti da Matrici Agroalimentari” (RIVIVE), Università degli Sudi di Palermo, 90128 Palermo, Italy)

  • Francesco Sottile

    (Centro Interdipartimentale di Ricerca “Riutilizzo Bio-Based Degli Scarti da Matrici Agroalimentari” (RIVIVE), Università degli Sudi di Palermo, 90128 Palermo, Italy
    Dipartimento di Architettura, Università degli Studi di Palermo, Viale delle Scienze, 90128 Palermo, Italy)

Abstract

The possibility of using materials from the waste of agricultural products for the conservation of cultural and artistic heritage has led to important technological developments on mortars, plasters, colors, and other applications. In this experimental work, we investigated the binding properties of mucilage obtained from two different species of the genus Opuntia , both collected in Sicily, Italy: Opuntia ficus-indica (L.) Mill. and Opuntia stricta (Haw.) Haw. Through chemical acid hydrolysis, and subsequent spectroscopic analysis conducted at 13 C-NMR, the main monosaccharide composition of both mucilage was studied, identifying considerable compositional differences. In fact, the mucilage of O. ficus indica had similar total amounts of arabinose (23.65%), galactose (20.87%), and glucose isomers (23.89%), while that of O. stricta was characterized by significant amounts of arabinose (36.48%) and galactose (32.31%) units. The samples were obtained by dispersing pigments on the mucilage and applying the obtained tempera by a brush onto both paper and chalk supports, in order to observe if the colors changed with different substrates. Colorimetric analysis, measuring ΔE, showed how the same pigment modifies its aspect depending on the binder used. After a two-week UV ageing process, pigments that had dispersed in O. stricta changed their aspect more than those dispersed in O. ficus-indica . Overall, it is also evident how ΔE data for organic pigments are higher than those for inorganic ones.

Suggested Citation

  • Giulia D’Agostino & Rosalia Merra & Natale Badalamenti & Giuseppe Lazzara & Maurizio Bruno & Francesco Sottile, 2023. "Opuntia ficus-indica (L.) Mill. and Opuntia stricta (Haw.) Haw. Mucilage-Based Painting Binders for Conservation of Cultural Heritage," Sustainability, MDPI, vol. 15(19), pages 1-14, October.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:19:p:14487-:d:1253647
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    References listed on IDEAS

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    1. Emmanouil H. Papaioannou & Rosalinda Mazzei & Fabio Bazzarelli & Emma Piacentini & Vasileios Giannakopoulos & Michael R. Roberts & Lidietta Giorno, 2022. "Agri-Food Industry Waste as Resource of Chemicals: The Role of Membrane Technology in Their Sustainable Recycling," Sustainability, MDPI, vol. 14(3), pages 1-21, January.
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