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All Journal IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Akta Kimia Indonesia Molekul: Jurnal Ilmiah Kimia Hydrogen: Jurnal Kependidikan Kimia Molekul: Jurnal Ilmiah Kimia
Suryati Suryati
Department Of Chemistry Faculty Of Mathematics And Natural Sciences Universitas Andalas, Kampus Limau Manis, Padang 25163, West Sumatra, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Materials Science & Nanotechnology

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A Cytotoxic Compound from n-Hexane Fraction of Lantana camara Linn Leaves Suryati Suryati; Yuni Malasari; Mai Efdi; Elida Mardiah
Molekul Vol 14, No 1 (2019)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (271.155 KB) | DOI: 10.20884/1.jm.2019.14.1.477

Abstract

In this study, one triterpenoid compound from n-hexane fraction of Lantana camaraLinn leaves has cytotoxic activity was isolated. Isolation was carried out using gravity chromatographycolumnand purification by recrystallization method. Isolated compound was obtained white solid with melting point 252-253oC. The structure of isolated compound was elucidated using spectroscopic analysis Ultraviolet (UV), Infrared (IR), 1H-Nuclear Magnetic Resonance (1H-NMR), 13C-Nuclear Magnetic Resonance (13C-NMR) Heteronuclear Multiple Bond Connectivity (HMBC),  Heteronuclear Multiple Quantum Correlation (HMQC), Distortionless Enhancement Polarization Transfer (DEPT) and comparative literature data, identified as Lantadene A (22β-angeloyloxy-3-oxoolean-12-en-28-oic-acid) with molecule formula C35H52O5. The Lantadene A compound was evaluated for cytotoxic activity against shrimp larvae Artemia SalinaLeach using Brine Shrimp Lethality Test(BSLT) method, showed strong cytotoxic activity with an LC50value of 48.97 µg/mL.
DETERMINATION OF SECONDARY METABOLITE CONTENT, TOTAL PHENOLIC ANTIOXIDANT TEST, AND TOXICITY OF ULIN LEAF EXTRACT (Eusideroxylon zwageri Teijsm. & Binn) Yayan Rabbani Kurniawan; adlis santoni; suryati suryati
Akta Kimia Indonesia Vol 7, No 2 (2022)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25493736.v7i2.14346

Abstract

Ulin leaf (Eusideroxylon zwageri Teijsm. & Binn) is one of the traditional Indonesian medicinal plants. In this research, the secondary metabolite content, antioxidant activity, cytotoxic and total phenolic content were tested. The extraction process by maceration starts from hexane, ethyl acetate and methanol. The content of secondary metabolites of ironwood leaves are flavonoids, phenolics, steroids, terpenoids, and alkaloids. The results of the antioxidant activity test using the DPPH method (1,1-Diphenyl-2-Picrylhydrazil), methanol extract showed very strong activity IC50 10.96 mg/L, moderate ethyl acetate extract 115,409 mg/L and weak hexane extract IC50 368,555 mg/L. L. This result correlated with the total phenolic yield, methanol extract had the highest value of 162.95 mg GAE/Gram, followed by ethyl acetate extract of 96.7 mg GAE/Gram and hexane with a value of 19.85 mg GAE/Gram. The results of the cytotoxic test using the (BSLT) method on hexane extract had very strong toxicity LC50 82.1675 mg/L, methanol extract and weak ethyl acetate LC50, respectively; 683,282; and 812.456 mg/L.Key word : Ulin, Antioxidants, Total Phenolic, cytotoxic
Isolasi Senyawa Metabolit Sekunder dari Ekstrak Etil Asetat Daun Pulai (Alstonia scholaris (L.) R. Br.) berdasarkan Sifat Toksisitas dengan Metode BSLT (Brine Shrimp Lethality Test) Emil Salim; Suryati Suryati; Rini Ramadani; Wini Sukrila
Akta Kimia Indonesia Vol 7, No 2 (2022)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25493736.v7i2.14532

Abstract

Penelitian ini bertujuan untuk mengisolasi senyawa metabolit sekunder dari ekstrak etil asetat daun pulai (Alstonia scholaris) berdasarkan sifat sitotoksik terhadap larva udang Artemia salina. Pemisahan senyawa aktif dilakukan menggunakan kromatografi kolom, eluen petroleum eter:etil asetat (10:0-0:10) dan etil asetat:metanol (10:0–9:1), dan menghasilkan 8 fraksi (F1-F8). Fraction 6 paling aktif dengan nilai LC50 9,47 mg/L, kemudian direkromatografi dengan eluen petroleum eter:etil asetat (7:3) , diperoleh 5 sub-fraksi (F6.1-F6.5). Sifat toksisitas tertinggi ditunjukkan oleh subfraksi F6.5 dengan LC50 7,694 mg/L. Subfraksi F6.5 kemudian dimurnikan dan dikarkterisasi dengan UV dan FTIR. Senyawa hasil isolasi diketahui merupakan senyawa alkaloid.
Analysis of Chemical Content, Cytotoxic and Anti-Bacterial Activity Essential Oil of Lantana Camara Linn Leaves from Various Regions Suryati suryati; Adlis Santoni; Bustanul Arifin; Norman Ferdinal; Emil Salim; Asri Amelia; Leidina Zein; Silfani Mairanti; Indah Putri Lestari
Molekul Vol 17 No 2 (2022)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2022.17.2.5143

Abstract

Lantana camara Linn is a family of Verbenaceae that grows in tropical and subtropical areas and spread in about 50 countries in the world. This plant contains essential oils with different contents based on the difference in the place of growth. The purpose of this study was to isolate and determine the chemical content of the essential oil of L. camara Linn leaves obtained from Agam, Tanah Datar, Kampar Regency, Padang Panjang City and to determine its cytotoxic and antibacterial activity. Isolation was carried out by hydro distillation method and chemical content analysis using Gas Chromatography-Mass Spectrometry (GC-MS). The high yield from the isolation of essential oil from leaves of L. camara Linn obtained from Tanah Datar Regency was 0.095% (w/w). The results of the analysis of the essential oil content with the main compounds for all Regency and City being caryophyllene with the high area percent was Tanah Datar Regency (19.74%). Cytotoxic activity test using the Brine Shrimp Lethality Test (BSLT) method showed that L. camara Linn essential oil was highly toxic with an LC50 value of 28.34 µg/mL from Padang Panjang City. Antibacterial activity test by disc diffusion method showed that L. camara Linn essential oil had moderate antibacterial activity againts Staphylococcus aureus and Escherichia coli bacteria, with high clear zone from Agam Regency was 12.9 mm and Tanah Datar Regency was 7.8 mm, respectively, at concentration of 100%.
Antibacterial Activity of Triterpenoid from The Leaves of Tahi Ayam (Lantana camara Linn) Kartika MZ; Suryati Suryati; Mai Efdi
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 8, No 3 (2023): October 2023
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v8.i3.110

Abstract

Tahi Ayam (Lantana camara Linn) is known as the herbal plant to cure several diseases and has been used in folk medicine. The result of this study indicates that the isolated compound and the ethyl acetate fraction are components having antibacterial activity. The isolated compound from the ethyl acetate fraction from the leaves of the Lantana camara Linn plant is 9-hydroxy-Lantadene A. The compound includes the triterpenoid compound group, the molecular formula is C35H52O6, and another name is 22-angeloiloxy-9-hydroxy-3-oxo-olean-12-en-28-oat. The antibacterial activity of this compound was determined by looking at the inhibition zone of the test bacteria, namely Staphylococcus aureus as gram-positive and Escherichia coli as gram-negative. The treatment has been using the disc diffusion method and using amoxicillin as a control positive. The result of the antibacterial activity test revealed that both 9-hydroxy-Lantadene A and the ethyl acetate fraction exhibited antibacterial activity. Becouse there are inhibition zones around the discs at concentrations of 10 μg/disk and 5 μg/disk.
Synergetic Effect of Potassium Iodide and Miana (Coleus scutellaroides (L.) Benth.) Leaves Extract on Mild Steel in HCl Medium Sanaq Elfira Putri; Vira Anggita Gusniardi; Suryati Suryati; Emriadi Emriadi
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 6 (2023): December 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i6.9810

Abstract

Due to its low carbon content, mild steel is prone to corrosion. Therefore, corrosion inhibitors are needed to decrease the corrosive rate of mild steel. This research aims to investigate the influence of adding potassium iodide to miana leaves extract (Coleus scutellaroides (L.) Benth.) (MLE) on the corrosion rate of mild steel, identify the type of adsorption, synergistic effects and characterize the surface of mild steel both before and after the addition of potassium iodide. The weight loss method is employed to test the corrosion rate, and the type of adsorption is identified through thermodynamic calculations. Surface characterization is evaluated using Fourier Transform Infrared (FTIR) and Scanning Electron Microscopy (SEM). As potassium iodide is added, the weight loss findings show an increase in inhibitory efficiency. When potassium iodide concentration was 0.4 g/L and temperature was 30°C, the maximum inhibitory efficiency was attained, which was 92.784%. Characterization analysis indicates the interaction between potassium iodide and MLE with the surface of mild steel. This research has not been explored yet and is expected to provide information on the use of potassium iodide and MLE as environmentally friendly corrosion inhibitors.
Co-Authors Adlis Santoni Asri Amelia Bustanul Arifin Elida Mardiah Emriadi - Indah Putri Lestari Kartika MZ Leidina Zein Mai Efdi Norman Ferdinal Rini Ramadani Salim, Emil Sanaq Elfira Putri Silfani Mairanti Vira Anggita Gusniardi Wini Sukrila Yayan Rabbani Kurniawan Yuni Malasari