Evaluasi penangkapan radikal bebas DPPH ekstrak daun Ipomoea pes-caprae Linn asal Pantai Labuhan Haji, Aceh Selatan The evaluation of DPPH free radical scavenging of Ipomoea pes-caprae leaf from the Beach of Labuhan Haji, South Aceh

Mohamad Gazali, Hayatun Nufus, Rina Syafitri, Muhammad Ali Sarong, Shafira Ananda Widya Fadly

Abstract

Ipomoea pes-caprae plants are herb plants that grow on sandy substrates and are already used by coastal communities as traditional medicine for treating various diseases. This study aimed to evaluate the free radical-scavenging activity of I. pes-caprae leaves from Labuhan Haji Beach, South Aceh. The research included phytochemicals, DPPH free radical scavenging, and total phenolic content. The results showed that I. pes-caprae leaf extracts had the highest yield in methanol extract (6.5%), followed by n-hexane extract (3.5%), and ethyl acetate extract (1.6%). The leaves of I. pes-caprae extract contained alkaloids, phenolics, saponins, flavonoids, and tannins. The free radical scavenging activity shown the methanol extract have IC50 of 13.83±5.85 mg/L whereas ethyl acetate and n-hexane extract accordingly have IC50 of 7.36±1.91 mg/L and 16.01±3.89 mg/L with ascorbate acid have IC50 value of 3.5±1.74 mg/L as the positive control. The total phenolic content in the ethyl acetate extract was 22.9±0.64 mg GAE/g, whereas the methanol extract was 9.89±2.62 mg GAE/g and the lowest total phenolic content in the n-hexane extract with value of 5.90±2.67 mg GAE/g. The phenolic content was positively correlated with antioxidant activity, indicating that the antioxidant activity of I. pes-caprae leaf extracts was attributed to phenolic compounds, whereas the remaining compounds were affected by other compounds contained in the I. pes-caprae leaf extract.

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Authors

Mohamad Gazali
mohamadgazali@utu.ac.id (Primary Contact)
Hayatun Nufus
Rina Syafitri
Muhammad Ali Sarong
Shafira Ananda Widya Fadly
GazaliM., NufusH., SyafitriR., SarongM. A., & FadlyS. A. W. (2023). Evaluasi penangkapan radikal bebas DPPH ekstrak daun Ipomoea pes-caprae Linn asal Pantai Labuhan Haji, Aceh Selatan: The evaluation of DPPH free radical scavenging of Ipomoea pes-caprae leaf from the Beach of Labuhan Haji, South Aceh. Jurnal Pengolahan Hasil Perikanan Indonesia, 26(2), 340-349. https://doi.org/10.17844/jphpi.v26i2.43795

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