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All Journal Jurnal Natur Indonesia Indonesia Chimica Acta
Noor Jalaluddin
Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Hasanuddin
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry

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Sonneratia alba sebagai Sumber Senyawa Antibakteri Potensial Herawati, Netti; Jalaluddin, Noor; Daha, La; Zenta, Firdaus
Indonesia Chimica Acta Volume 2 No 2 - December 2009
Publisher : Indonesia Chimica Acta

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Abstract

Four different organic solvents, methanol, N- heksana, kloroform, and etil acetate were used to extracted some bioactive compounds from bark of mangroves plant Sonneratia alba (kayu buli) for screening of antibacterial activity against three pathogen bacteria, Staphylococcus aureus,Eschericha coli, and Bacillus subtillis by agar diffusion method. All extracts were able to inhibit the growth of these bacterial significantly in concentration of 5%. Etil acetate ekstract showed highest antibacterial activity.Methanol, chloroform, and etil acetate were effective solvent to extract bioactive compound that have a antibacterial properties from this plant.Keyword: Kayu buli, Sonneratia alba, antibacterial activity
Pengaruh Ion Kadmium(II) dan Nikel(II) pada Ekstraksi Ion Tembaga(II) dengan Ekstraktan 4-Benzoil -1-Fenil-3-Metil- 2- Pirazolin-5-On Menggunakan Emulsi Membran Cair Hamzah, Baharuddin; Jalaluddin, Noor; Wahab, Abdul Wahid; Upe, Ambo
Jurnal Natur Indonesia Vol 13, No 3 (2011)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.52 KB) | DOI: 10.31258/jnat.13.3.269-275

Abstract

The effects of cadmium(II) and nickel(II) ions to copper(II) extraction using liquid membrane emulsion with 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-on (HPMBP) as an extractant was studied. The optimum condition forcopper(II) extraction were as follows: emulsification rate=2000 rpm, emulsification time=10 minutes, extractionrate=300 rpm, extraction time=15 minutes, concentration of mixed surfactant (span 80+span 20)=3%, volumeratio of membrane phase and internal phase=1:1, concentration of HPMBP=0.020 M, concentration of HCl=1M,volume ratio of emulsion and external phase=1:7. The result showed that the extraction of copper(II) by liquidmembrane emulsion with HPMBP as an extractant was selective to cadmium(II) and nickel(II) ions, relatively. Theresult also showed that in the extraction of 500 mg/l copper(II), the presence of 500 mg/l of nickel(II) was decreasingthe percentage of copper(II) extraction to be 83.73. While, the presence of 500 mg/l of cadmium(II) does notinfluence the percentage extraction of copper(II), relatively.
Co-Authors Abdul Wahid Wahab Anak Agung Istri Sri Wiadnyani Baharuddin Hamzah Firdaus Zenta LA DAHA Netti Herawati