PENETAPAN FLAVONOID TOTAL DAN UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL DAUN CENGKEH (Syzygium aromaticum (L). Merr) DAN DAUN SALAM (Syzygium polyanthum Thwaites)
نویسندگان
چکیده
Syzygium aromaticum dan polyanthum merupakan spesies dari famili Myrtaceae, Daun cengkeh daun salam memiliki kandungan senyawa aktif yaitu flavonoid. Senyawa flavonoid adalah kelompok fenol yang aktivitas antioksidan kuat. Tumbuhan berpotensi sebagai alami (Syzygium aromaticum) polyanthum). Penelitian ini dilakukan dengan tujuan untuk mengetahui kadar total terhadap ekstrak etanol polyanthum) serta akan diketahui secara langsung antioksidannya. Metode ekstraksi maserasi menggunakan pelarut 96%. Analisis digunakan pada penelitian analisis kualitatif Kromatografi Lapis Tipis standar pembanding Quercetin. kuantitatif Uji metode kolometri dihitung absorbansinya Spektrofotometri UV-Vis Quercetin sedangkan uji daya DPPH (1,1-Diphenyl-2-Picryl Hydrazyl). Hasil ditemukannya spot noda sama antara masing-masing sampel nilai Rf 0.83 didapatkan 0.16, 0.33, 0.5, 0.83. hasil sebesar 206.447 mgQE/g, 165.658 mgQE/g. Nilai IC50 3.026 μg/ml 3.555 μg/ml. Kesimpulan bahwa kategori sangat kuat.
 
 Kata kunci : Antioksidan, DPPH, Cengkeh, Salam, Flavonoid
منابع مشابه
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ژورنال
عنوان ژورنال: Jurnal kedokteran Universitas Palangka Raya
سال: 2022
ISSN: ['2723-5890', '2355-0015']
DOI: https://doi.org/10.37304/jkupr.v10i2.5536