A Fluorescence Study on the Extracts of Red Dragon Fruit Peel in Various Solvents

  • Krisfian Tata Aneka Priyangga Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang 65151, East Java, Indonesia https://orcid.org/0000-0002-4119-2470
  • Yehezkiel Steven Kurniawan Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang 65151, East Java, Indonesia https://orcid.org/0000-0002-4547-239X
  • Edi Setiyono Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang 65151, East Java, Indonesia https://orcid.org/0000-0002-6077-7693
  • Muhammad Riza Ghulam Fahmi Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang 65151, East Java, Indonesia https://orcid.org/0000-0002-9148-878X
  • Hendrik Oktendy Lintang Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang 65151, East Java, Indonesia https://orcid.org/0000-0002-1911-8100
  • Leny Yuliati Ma Chung Research Center for Photosynthetic Pigments, Universitas Ma Chung, Malang 65151, East Java, Indonesia http://orcid.org/0000-0003-1600-5757
Keywords: ethanolic extract, fluorescence, maceration, red dragon fruit peel, solvent


Special attention has been given to red dragon fruit (Hylocereus polyrhizus) because of its unique natural compounds exhibiting wide biological activities. However, the potential use of the red dragon fruit peel has been less addressed. In the present work, simple extraction of red dragon fruit peel was carried out to study the fluorescence properties of the corresponding extracts in various solvents. The red dragon fruit peel was first separated, dried, and macerated for 24 hours using distilled water, ethanol, and acetone, separately. The results demonstrated that the peel extracts exhibited different photoluminescence properties depending on the solvent type. It was revealed that the ethanolic extract gave the highest fluorescence intensity among the other extracts. The ethanolic extract showed two excitation peaks at 290 and 359 nm, yielding different emission properties. Excitation at 290 nm gave one emission peak at 339 nm, while the excitation at 359 nm gave an emission peak at 436 nm. Such strong photoluminescence properties observed in the wide range of UV and visible regions demonstrated the potential use of the red dragon fruit peel as a photonic material. Spectroscopy study also proposed that the ethanolic extract would have polyphenol and chlorogenic acid as the main compounds.


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How to Cite
Priyangga, K. T. A., Kurniawan, Y. S., Setiyono, E., Fahmi, M. R. G., Lintang, H. O., & Yuliati, L. (2021). A Fluorescence Study on the Extracts of Red Dragon Fruit Peel in Various Solvents. Indonesian Journal of Natural Pigments, 3(2), 48. https://doi.org/10.33479/ijnp.2021.03.2.48
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