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Effects of Gamma Irradiation on Microbiological, Phytochemical Content, Antioxidant Activity and Inhibition of Angiotensin Converting Enzyme (ACE) Activity of Peperomia pellucida (L.) Kunth

Abdul Mun’im1★, Fitria Ramadhani1, Kartika Chaerani1, Lili Amelia2, Arif Arrahman3★ Corresponding author

  1. 1Department of Pharmacognosy-Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Depok–16424, INDONESIA.
  2. 2Graduate Program of Herbal Medicine, Faculty of Pharmacy, Universitas Indonesia, Depok–16424, INDONESIA.
  3. 3Department of Medicinal Chemistry, Faculty of Pharmacy, Universitas Indonesia, Depok–16424, INDONESIA.

CORRESPONDENCE

Abdul Mun’im

Department of Pharmacognosy-Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Depok–16424, INDONESIA.

abdul.munim61@ui.ac.id

Received: 19-12-2016; Revised: 31-12-2016; Accepted: 27-01-2017.

Volume 9, Issue 1S · pp. s65–s69 · PUBLISHED · DOI: 10.5530/jyp.2017.1s.17

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ABSTRACT

Objective: Gamma irradiation is an effective technique can be used to reduce contaminants in herbal products. Peperomia pellucida (L.) Kunth belongs to Piperaceae family has some biological activity, such as antioxidant and ACE inhibitor. The aimed of this research was to determine the effects of gamma irradiation on microbiological, phytochemical content, antioxidant and ACE inhibi tion activity. Methods: Sample was irradiated at a various dose of 0, 2.5, 5, 7.5 and 10 kGy. Microbiological was determined as total aerobic plate count (TAPC), and total yeast and mold (TYC), total phenolic content (TPC), total flavonoid con tent (TFC), antioxidant and ACE inhibition activity were investigated by various in vitro colorimetric methods. Results: Irradiation dose of 10 kGy reduced TAPC and TYC. Irradiation dose of 10 kGy slightly increased TPC, antioxidant, and ACE inhibition activity (p<0.05) but reduced TFC significantly (p<0,05) and caused degradation of flavonoids in this plant. Correlation analysis showed that phenolic compounds have a role as antioxidant and ACE inhibitor. Conclusion:gamma irradiation was found to be sufficient to ensure microbiological safety, increase TPC, the antioxidant and ACE inhibitory activity but caused degradation of flavo noids on Peperomia pellucida (L.) Kunth.

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    Mun’im, A., Ramadhani, F., Chaerani, K., Amelia, L., & Arrahman, A. (). Effects of Gamma Irradiation on Microbiological, Phytochemical Content, Antioxidant Activity and Inhibition of Angiotensin Converting Enzyme (ACE) Activity of Peperomia pellucida (L.) Kunth. Journal of Young Pharmacists, 9(1S), s65–s69. https://doi.org/10.5530/jyp.2017.1s.17