Uji Aktivitas Antioksidan Ekstrak Etanol Biji Kakao (Theobroma cacao L.) Dengan Menggunakan Metode DPPH

  • Siti Rachmawati Sy. Tasanif Universitas Muslim Indonesia
Keywords: Keywords : Cocoa Beans (Theobroma cacao L.);Antioxidant Activity Test;DPPH;Uv-Vis Spectrophotometry.

Abstract

Cocoa bean is a plant that contains phenolic and flavonoid chemical compounds which can act as natural antioxidants. In addition, cocoa beans can also be used as anti-inflammatory drugs, obesity, diabetes and colitis. The purpose of this study was to determine the antioxidant activity of the ethanol extract of cocoa beans (Theobroma cacao L.). This research is a laboratory-scale experimental study by testing the antioxidant activity using the DPPH method and measured by spectrophotometry. The stages in this study were sample preparation, phytochemical screening, qualitative test and quantitative test of antioxidant activity using DPPH. The results obtained from this study were positive cocoa beans containing phenols and flavonoids. The DPPH qualitative test results were marked by a change in color with a purple background and the sample was yellow with an Rf value of 0.36 and the quantitative test results for antioxidant activity obtained were the ethanol extract of cocoa beans which had an IC50 value of 159.118 µg/ml indicating that this sample had activity weak antioxidants.

References

[1] N. Hasanah, A. A. Dahlia, and V. Handayani, “Uji Aktivitas Antioksidan Ekstrak Daun Kedondong Laut (Nothopanax fructicosum ( L .) Miq ) Dengan Metode Peredaman Radikal Bebas DPPH,” vol. 1, no. 2, pp. 10–17, 2023.
[2] S. Ramlah, “Karakteristik Mutu Dan Citarasa Cokelat Kaya Polifenol,” J. Ind. Has. Perkeb., vol. 11, no. 1, p. 23, 2016, doi: 10.33104/jihp.v11i1.3553.
[3] A. A. C. Wibawa, “Kapasitas Total Antioksidan Ekstrak Metanol Biji Kakao (Theobroma cacao. L) Dengan Metode Spektrofotometri Uv-Vis,” Hydrog. J. Kependidikan Kim., vol. 9, no. 1, p. 30, 2021, doi: 10.33394/hjkk.v9i1.3794.
[4] J. Marie, D. Bereau, and J. Robinson, “Benefits of Polyphenols and Methylxanthines from Cocoa,” Food, vol. 10, no. 9, pp. 1–20, 2021.
[5] E. A. Maulana, I. A. R. Astiti Asih, and M. Arsa, “Isolasi Dan Uji Aktivitas Antioksidan Senyawa Flavonoid Dari Ekstrak Daun Jambu Biji Putih (Psidium guajava Linn),” J. Kim., no. band I, pp. 161–168, 2016, doi: 10.24843/jchem.2016.v10.i01.p22.
[6] F. Fitriyanti, A. Abdurrazaq, and M. Nazarudin, “Uji Efektivitas Antibakteri Esktrak Etil Asetat Bawang Dayak (Eleutherine palmifolia Merr) Terhadap Staphylococcus Aureus Dengan Metode SUMURAN,” J. Ilm. Manuntung, vol. 5, no. 2, p. 174, 2020, doi: 10.51352/jim.v5i2.278.
[7] J. P. Konda, J. P. Siampa, T. E. Tallei, B. J. Kepel, and F. Fatimawali, “Aktivitas Antioksidan Ekstrak Metanol Biji Langsat (Lansium domesticum var. pubescens) dan Duku (Lansium domesticum var. domesticum) dengan Metode DPPH,” J. Ilm. Sains, vol. 20, no. 2, p. 113, 2020, doi: 10.35799/jis.20.2.2020.28835.
[8] A. I. Habibi, R. A. Firmansyah, and S. M. Setyawati, “Skrining Fitokimia Ekstrak n-Heksan Korteks Batang Salam (Syzygium polyanthum),” Indones. J. Chem. Sci., vol. 7, no. 1, pp. 1–4, 2018.
[9] S. Purnama et al., “Uji Aktivitas Antioksidan Fraksi N-Heksan dari Ekstrak Metanol Daun Binjai Mangifera caesia Jack. Ex. Wall Menggunakan Metode DPPH (Antioxidant Activity Assay from N-Hexane Fraction of Binjai Mangifera caesia Jack. Ex. Wall. Leaves Methanolic Extract Usin,” J. Ilmu Kefarmasian Indones., vol. 20, no. 1, pp. 55–62, 2019.
[10] B. Chandra, R. P. Sari, S. Misfadhila, Z. Azizah, and R. Asra, “Skrining Fitokimia Dan Aktivitas Antioksidan Ekstrak Metanol Daun Kemangi (Ocimum tenuiflorum L.) Dengan Metode DPPH (1,1-difenil-2-pikrilhidrazil),” J. Pharm. Sci., vol. 2, no. 2, pp. 1–8, 2019, doi: 10.36490/journal-jps.com.v2i2.20.
[11] R. Yanuarty, “Uji Aktivitas Antioksidan Daun Jeruk Nipis (Citrus aurantifolia) Secara Spektrofotometri Uv-Vis,” J. Farm. Politek. Indonusa Surakarta, vol. Vol. 5, pp. 53–56, 2021.
[12] H. Sepriyani, R. Devitria, A. Surya, and S. Sari, “Aktivitas Antioksidan Ekstrak Metanol Daun Pepaya (Carica papaya L. ) Dengan Metode DPPH,” J. Penelit. Farm. Indones., vol. 9, no. 1, pp. 8–11, 2020.
[13] D. Andriani and L. Murtisiwi, “Uji Aktivitas Antioksidan Ekstrak Etanol 70% Bunga Telang (Clitoria ternatea L) dari Daerah Sleman dengan Metode DPPH,” Pharmacon J. Farm. Indones., vol. 17, no. 1, pp. 70–76, 2020, doi: 10.23917/pharmacon.v17i1.9321.
[14] S. Egra et al., “Aktivitas Antimikroba Ekstrak Bakau (Rhizophora mucronata) dalam Menghambat Pertumbuhan Ralstonia Solanacearum Penyebab Penyakit Layu,” Agrovigor J. Agroekoteknologi, vol. 12, no. 1, p. 26, 2019, doi: 10.21107/agrovigor.v12i1.5143.
[15] N. JULIZAN, “Validasi Penentuan Aktifitas Antioksidan Dengan Metode DPPH,” Kandaga– Media Publ. Ilm. Jab. Fungsional Tenaga Kependidikan, vol. 1, no. 1, 2019, doi: 10.24198/kandaga.v1i1.21473.
[16] Si. Santi, “Penentuan Aktivitas Antioksidan Secara In Vitro Dari Ekstrak Etanol Propolis Dengan Meode DPPH (1,1-Difenil-2-Pikrilhidrazil),” Media F, vol. 15, no. 1, pp. 71–76, 2019.
[17] N. M. D. S. Suena and N. P. U. Antari, “Uji Aktivitas Antioksidan Maserat Air Biji Kopi (Coffea canephora) Hijau Pupuan Dengan Metode DPPH (2,2-difenil-1-pikrilhidrazil),” J. Ilm. Medicam., vol. 6, no. 2, pp. 111–117, 2020, doi: 10.36733/medicamento.v6i2.1106.
[18] F. Diantika, S. M. Sutan, and R. Yulianingsih, “Pengaruh Lama Ekstraksi dan Konsentrasi Pelarut Etanol terhadap Ekstraksi Antioksidan Biji Kakao (Theobroma cacao L. ),” J. Teknol. Pertan., vol. 15, no. 3, pp. 159–164, 2014.
Published
2024-03-23
Section
Articles