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ORIGINAL ARTICLE
Year : 2019  |  Volume : 11  |  Issue : 8  |  Page : 551-555

Antioxidant activity of crude bromelain of pineapple (Ananas comosus (L.) Merr) crown from Subang district, Indonesia


1 Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Bandung, West Java, Indonesia
2 Department of Pharmacy, Faculty of Mathematic and Natural Sciences, University of Al Ghifari, Kota Bandung, West Java, Indonesia

Correspondence Address:
Dr. Nyi M Saptarini
Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Jl Raya Bandung – Sumedang KM 21, Bandung 45363, West Java.
Indonesia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jpbs.JPBS_200_19

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Background: Antioxidants are chemical compounds that can donate one or more electrons to free radicals to prevent degenerative diseases. The crown of pineapple (Ananas comosus (L.) Merr.) contains bromelain, that is, a proteolytic enzyme, which can act as an antioxidant. Aims and Objectives: The aim of this study was to determine the antioxidant activity of crude bromelain from pineapple crowns that were collected from Subang district, West Java, Indonesia. Materials and Methods: Antioxidant activity was determined by the method of 2,2-diphenyl-1-picrylhydrazyl (DPPH) with vitamin C as a standard and measured with visible spectrophotometer. Results: The pineapple crown was produced 0.26% of dried crude bromelain with total protein content 44.10% and IC50 value 3624 μg/mL of crude bromelain, which was equivalent to 1590.18 μg/mL of total protein. Conclusion: Crude bromelain has medium antioxidant activity.


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