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ArtikelThe Comparison of Extraction Method and Solvent Variation on Yield and Antioxidant Activity of Brassica oleracea L. var. capitata f. rubra Extract  
Oleh: Senja, Rima Yulia ; Issusilaningtyas, Elisa ; Nugroho, Akhmad Kharis ; Setyowati, Erna Prawita
Jenis: Article from Journal - ilmiah internasional - tidak terdaftar di DIKTI
Dalam koleksi: Majalah Obat Tradisional vol. 19 no. 01 (Jan. 2014), page 43-48.
Topik: Red Cabbage Extract; Extraction Method; Solvent
Fulltext: M08 v19 n1 p43 kelik2017.pdf (1,001.1KB)
  • Perpustakaan FK
    • Nomor Panggil: M01.K
    • Non-tandon: 1 (dapat dipinjam: 0)
    • Tandon: tidak ada
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Isi artikelRed Cabbage (Brassica oleracea L. Var. Capitata f. rubra) has a high anthocyanin content therefore it can be potential as a natural antioxidant. In this research, the antioxidant activity of the red cabbage extract was evaluated quantitatively with a spectroscopy method using DPPH reagent to obtain the value of IC50 . This research was divided into 2 stages. First, the influence of solvent variant to the extract yield of red cabbage powder and the maximum wavelength (?) using a maceration protocol. The kind of solvent (70%, 80%, 95%, and 96% of ethanol) with addition 3% of citric acid. Second, the influence of extraction methods in neutral condition to the antioxidant activity. The results show the red cabbage powder maceration with 96% ethanol solvent (acid condition) exhibits the highest yield. The fresh red cabbage soxhletation with 96% ethanol (neutral condition) exhibits 288,5 nm maximum wavelength (?) and 168,78 mg/mL of IC50 value.
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