Potential Antioxidant Activity of the Unused Part of Tamarillo (Solanum betaceum Cav.)

Atina Rizkiya Choirunnisa; Zhafira Amalia Regiana; Muhamad Insanu; Rika Hartati; Hegar Pramastya; Defri Rizaldy; Irda Fidrianny

doi:10.14710/jksa.28.6.336-344

DOI: https://doi.org/10.14710/jksa.28.6.336-344

Potential Antioxidant Activity of the Unused Part of Tamarillo (Solanum betaceum Cav.)

Atina Rizkiya Choirunnisa

, Zhafira Amalia Regiana, Muhamad Insanu

, Rika Hartati

, Hegar Pramastya

, Defri Rizaldy

, Irda Fidrianny

Department of Pharmaceutical Biology, School of Pharmacy, Bandung Institute of Technology, Bandung 40132, Indonesia

Received: 30 May 2025; Revised: 22 Jul 2025; Accepted: 22 Jul 2025; Published: 5 Aug 2025.

BibTex Citation Data :

@article{JKSA73895,
    author = {Atina Rizkiya Choirunnisa and Zhafira Amalia Regiana and Muhamad Insanu and Rika Hartati and Hegar Pramastya and Defri Rizaldy and Irda Fidrianny},
    title = {Potential Antioxidant Activity of the Unused Part of Tamarillo (Solanum betaceum Cav.)},
    journal = {Jurnal Kimia Sains dan Aplikasi},
  volume = {28},
    number = {6},
    year = {2025},
    keywords = {Antioxidant; tamarillo; DPPH; CUPRAC},
    abstract = { Tamarillo ( Solanum betaceum  Cav.) is a member of the Solanaceae family that contains phenolic and flavonoid compounds. The fruit of the tamarillo is commonly consumed. However, other parts that are rarely used also have many potential benefits, including antioxidant activity. This study aims to evaluate antioxidant activity of used part (flesh) and unused part (leaves and peel) extracts of tamarillo through ascorbic acid equivalent antioxidant capacity (AEAC), phenolic and flavonoids content, correlation the phenolic and flavonoid content on antioxidant activity, correlation the DPPH and CUPRAC methods and the levels of flavonoid compound in selected extract. Three organs (flesh, leaves, peel) were extracted using polarity solvents (n-hexane, ethyl acetate, ethanol). Antioxidant activity was conducted using DPPH and CUPRAC assays, and total phenolic acid and flavonoid acid were also investigated. The result showed that the highest antioxidant activity of tamarillo extracts using DPPH and CUPRAC methods was given by ethanol leaves, 94.917 ± 3.920 and 110.182 ± 7.987 mg AEAC/g sample. The highest TPC in the ethanol leaves extract 10.416 g GAE/100 g, while the highest TFC in the n-hexane leaves extract 8.367 g QE/100 g. Phenolic and flavonoid compounds were identified as significant contributors to the antioxidant activity, with both assessment methods showing a strong linear correlation. In conclusion, Tamarillo leaves had the potential to be a natural antioxidant source, with a rutin content of 0.088%, according to HPLC analysis. },
   issn = {2597-9914},   pages = {336--344}  doi = {10.14710/jksa.28.6.336-344},
    url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/73895}
}

Citation Format:

Abstract

Tamarillo (Solanum betaceum Cav.) is a member of the Solanaceae family that contains phenolic and flavonoid compounds. The fruit of the tamarillo is commonly consumed. However, other parts that are rarely used also have many potential benefits, including antioxidant activity. This study aims to evaluate antioxidant activity of used part (flesh) and unused part (leaves and peel) extracts of tamarillo through ascorbic acid equivalent antioxidant capacity (AEAC), phenolic and flavonoids content, correlation the phenolic and flavonoid content on antioxidant activity, correlation the DPPH and CUPRAC methods and the levels of flavonoid compound in selected extract. Three organs (flesh, leaves, peel) were extracted using polarity solvents (n-hexane, ethyl acetate, ethanol). Antioxidant activity was conducted using DPPH and CUPRAC assays, and total phenolic acid and flavonoid acid were also investigated. The result showed that the highest antioxidant activity of tamarillo extracts using DPPH and CUPRAC methods was given by ethanol leaves, 94.917 ± 3.920 and 110.182 ± 7.987 mg AEAC/g sample. The highest TPC in the ethanol leaves extract 10.416 g GAE/100 g, while the highest TFC in the n-hexane leaves extract 8.367 g QE/100 g. Phenolic and flavonoid compounds were identified as significant contributors to the antioxidant activity, with both assessment methods showing a strong linear correlation. In conclusion, Tamarillo leaves had the potential to be a natural antioxidant source, with a rutin content of 0.088%, according to HPLC analysis.

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Keywords: Antioxidant; tamarillo; DPPH; CUPRAC

Funding: Research and Community Service – Bandung Institute of Technology

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Section: Research Articles

Language : EN

In Vol 28, No 6 (2025): Volume 28 Issue 6 Year 2025

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