Author:
Rahma Hidayati Jelita,Wijaya Asdi,Hikmat Nugraha Aditya,Karlina Ita,Anggraini Rika,Idris Fadhliyah,Yandri Falmi
Abstract
In some parts of Indonesia, people have consumed mangrove fruit as a traditional food. Bruguiera gymnorrhiza or lindur plant, is one of the mangroves that have bioactive compounds as antioxidant. Antioxidant compounds found in Brugueira gymnorrizha fruit are thought to be able to reduce free radicals. However, the information on the benefits and potential of mangrove fruit as a source of antioxidants is still limited. Not many studies have shown that lindur plant fruit can be used as antioxidants, Therefore, further research on this topic is needed. This research aimed to identify the content of bioactive compounds and the activity of Brugueira gymnorrhiza fruit extract obtained from the Pengudang waters of Bintan Island. This research includes several analyses, including analysis of bioactive compound content, total phenolics and flavonoid content, pigment content, and antioxidant activity analysis. The method used in this research was a laboratory experimental and the DPPH (1,1-diphenyl-2-picrylhydrazyl) method was used to test the antioxidant activity of Bruguiera gymnorrhiza fruit extract. The results showed that the bioactive compounds contained in Bruguiera gymnorrhiza fruit extract are flavonoid and tannin compounds. The total phenolics and flavonoids amounted to 4.05 mg GAE/g sample and 9.36 mg QE/g sample. The content of chlorophyll a, chlorophyll b, and carotenoid pigments were 0.47 mg/g, 1.03 mg/g, and 2.72 μmol/g. Bruguiera gymnorrhiza extract has potent antioxidant activity (IC50 60.77 ppm).
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