Potensi Antioksidan Daun Lobi-Lobi (Flacourtia inermis Roxb): Penentuan Kadar Total Flavonoid dan Fenolik

La Hamidu; Vidya Septiani; Made Laksmi Meiliana; Ahmad Najib

doi:10.33096/jffi.v12i1.1424

Potensi Antioksidan Daun Lobi-Lobi (Flacourtia inermis Roxb): Penentuan Kadar Total Flavonoid dan Fenolik

La Hamidu, Vidya Septiani, Made Laksmi Meiliana, Ahmad Najib

Abstract

Flavonoids and phenolics are natural phenolic compounds found in almost all plants, one of which is the batoko plum plant (Flacourtia inermis Roxb), which contains several phenolic compounds and has pharmacological activity. This plant is widely used, especially the fruit, by the people of Lampung province, but the leaves are still very rarely used. The use of this plant needs to be supported by research so that its use can be accounted for. The study used a maceration extraction method with 96% ethanol solvent. Determination of total flavonoid content of the extract used quercetin as the standard. Absorbance was measured using a UV-Vis spectrophotometer with a maximum wavelength of 433.0 nm. Determination of total phenolic content of the extract used a gallic acid standard. Absorbance was measured using a UV-Vis spectrophotometer with a maximum wavelength of 792.0 nm. In this study, the total flavonoid content in batoko plum leaf extract was calculated against quercetin compounds expressed in % QE and phenolics expressed in % GAE, with an average total flavonoid content of 0.0180 mg QE/g, and total phenolics of 0.0015 mg GAE/g. These results show that batoko plum leaves have potential as a source of antioxidants and as a raw material for herbal medicine.

Keywords

Lampung; quercetin; gallic acid; spectrophotometer; Flacourtia inermis Roxb

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DOI: https://doi.org/10.33096/jffi.v12i1.1424

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