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All Journal Indonesian Journal of Pharmaceutical Education
A. Mu’thi Andy Suryadi
Jurusan farmasi fakultas olahraga dan kesehatan universitas negeri gorontalo
Biochemistry, Genetics & Molecular Biology Chemistry Materials Science & Nanotechnology Medicine & Pharmacology

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UJI AKTIVITAS ANTIBAKTERI EKSTRAK METANOL DAUN KECUBUNG (Datura metel L.) TERHADAP BAKTERI Streptococcus pneumonia DAN Klabsiella pneumonia A. Mu’thi Andy Suryadi; Moh Adam Mustapa; Faramita Hiola; Sintiya Basiru
Indonesian Journal of Pharmaceutical Education Vol 1, No 3 (2021): September-Desember 2021
Publisher : Jurusan Farmasi Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37311/ijpe.v1i3.11776

Abstract

Infectious disease is a disease caused by microbes, including bacteria. One of the microorganisms that often causes infectious disease is Streptococcus pneumoniae and Klabsiella pneumoniae. Based on empirical data, plant that has antimicrobial potential is amethyst leaves (Datura metel L.). This study aims to know the antibacterial activity and concertration of amethyst leaves (Datura metel L.) against Streptococcus pneumoniae and Klabsiella pneumonia. This is an experimental study which includes antibacterial activity test, MIC (Minimum Inhibitor Concertration) test, MFC (Minimum Fungicidal Concertration) test, and bacterial potency test. The finding shows that the antibacterial activity test of amethyst leaves (Datura metel L.) methanol extract is able to inhibit bacterial growth of Streptococcus pneumonia at a minimum inhibitor concertration of 15% and an optimum concertration of 50% with an average of 16.33 mm and 19.30 mm. Meanwhile, for Klabsiella pneumoniae, the minimum inhibitor concertration is 20% and the optimum concertration is 50%, with an average of 13.82 mm and 17.73 mm. this is based on the results of One Way Anova data (a 0.01) with a 99% confidance level. 
Identifikasi Senyawa Alkaloid Pada Daun Bidara Arab (Ziziphus spina-christi L.) Menggunakan Metode Spektrofotometri UV-Vis A. Mu’thi Andy Suryadi; Mohammad Adam Mustapa; Nur Khofifah Zahrah
Indonesian Journal of Pharmaceutical Education Vol 2, No 1 (2022): Januari-April 2022
Publisher : Jurusan Farmasi Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37311/ijpe.v2i1.11687

Abstract

Christ's torn jujube (Ziziphus spina-christi L.) is a medicinal plant that has many benefits for curing or treating diarrhea, fever, and cancer. One of the compounds that play role is an alkaloid. This study was generated to identify the alkaloid compounds in the leaves of the Christ’s jujube torn using the UV-Vis spectrophotometry method. Christ's torn jujube leaves were macerated using 3 types of solvents with different polarity levels i.e., n-hexane, ethyl acetate, and methanol. Furthermore, phytochemical screening of alkaloid compounds was carried out. A Christ jujube leaf sample that was positive for alkaloids was found in the ethyl acetate extract; then identified using thin layer chromatography with eluent n-hexane: ethyl acetate (8:2), yielding 4 points with an Rf value of 0.25; 0.4 ; 0.52 ; and 0.62. Furthermore, phytochemical screening of alkaloid compounds was carried out. Christ' torn jujube which were positive for alkaloids present in the ethyl acetate extract were identified using thin layer chromatography with n-hexane eluent: ethyl acetate (8:2), yielding four spots with an Rf value of 0.25; 0.4 ; 0.52 ; and 0.62. The four spots were identified using UV-Vis spectrophotometry, obtained a wavelength of 248 ; 268 ; 268 ; and 255. Based on the identification results on the leaf extract, each stain was suspected to contain cantin-6-one alkaloid compounds.
Co-Authors Adam Mustapa, Muhammad Nur Khofifah Zahrah Selvi Marcellia Sintiya Basiru