scholarly journals Identifikasi Senyawa Aktif Ekstrak Buah Mengkudu (Morinda citrifolia L.) dan Potensinya sebagai Inhibitor Karies Gigi

2019 ◽  
pp. 73-81 ◽  
Author(s):  
Sogandi Sogandi ◽  
Putu Nilasari
Keyword(s):  
Dental Caries ◽  
Ethyl Acetate ◽  
Streptococcus Mutans ◽  
Bioactive Compounds ◽  
Coming Out ◽  
Inhibition Zone ◽  
Ethyl Acetate Fraction ◽  
Morinda Citrifolia ◽  
Inhibition Mechanism ◽  
High Concentration

Dental caries is a disease that many people experience, which is formed by the buildup of plaque on the teeth and the presence of bacteria. The bacteria known to be involved in the formation of dental caries is Streptococcus mutans. Dental caries used to be treated using antibiotics. However, it is known that many antibiotics are no longer effective against this bacteria hence it is necessary to look for another alternative. One alternative choice as an antibacterial is Noni fruit. This study aims to identify the bioactive compounds of noni fruit (Morinda citrifolia L) and to know the mechanism of action in inhibiting the growth of Streptococcus mutans. Noni fruit was macerated using 96% ethanol, then fractionated using n-hexane and ethyl acetate. Antibacterial activity test was done using agar difusion method, and identification of bioactive compounds was conducted using GCMS. The results showed that ethyl acetate fraction has the highest inhibitory activity on the growth of Streptococcus mutans with inhibition zone of ±17 mm and MIC (minimum inhibitor concentration) value of 10%. The inhibition mechanism is asumed to be done by making holes in cell membranes, which can be seen from the high concentration of proteins and nucleic acids coming out of cells after treatment that in turn means that cell leakage has occurred. The results of this study indicate that noni fruit (Morinda citrifolia L) contain bioactive quinolone compounds that can be a new source for treating dental caries

scholarly journals Identification of Active Compound Extracts from Noni Fruit (Morinda citrifolia L.) and Its Potential as Antioxidants

2019 ◽  
Vol 22 (5) ◽  
pp. 206-212
Author(s):  
Sogandi Sogandi ◽  
Rabima Rabima
Keyword(s):  
Antioxidant Activity ◽  
Free Radicals ◽  
Ethyl Acetate ◽  
Bioactive Compounds ◽  
Ethyl Acetate Fraction ◽  
The Body ◽  
Morinda Citrifolia ◽  
Chloroform Fraction ◽  
Oxidation Reactions ◽  
First Time

Antioxidants are compounds that can inhibit oxidation reactions by binding to free radicals and highly reactive molecules. One form of reactive oxygen compounds is free radicals, these compounds are formed in the body and are triggered by various factors. Noni fruits have been used by the community as a medicine for high blood pressure, beriberi, urinating, inflammation of bile, inflammation of the intestine, dysentery, constipation, spleen pain, liver pain, diabetes and lumbago. Nevertheless, research on the identification of the active compounds of noni fruit which act as antioxidants yet. This study aims to extract and fractionation of Noni fruit, determine the antioxidant activity of Noni fruit extract, and identify the types of bioactive compounds that act as antioxidants. Noni fruit was extracted used maceration technique with 96% ethanol and then fractionated using n-hexane, chloroform and ethyl acetate solvents. Antioxidant activity from the results of noni fruit fractionation was measured by the DPPH (1.1 diphenyl-2-picrylhydrachyl) method and identification of bioactive compounds was carried out by GCMS. The results showed the greatest antioxidant activity was found in chloroform fraction with a percentage of inhibition of 78.19%. For the first time this study revealed the types of bioactive compounds from noni fruit ethyl acetate fraction which act as antioxidants are n-hexadecanoic acid, squalene, pyridin-3-carboxamide, oxime, n- (2-trifluoro methyl phenyl), and beta-sitosterol

scholarly journals Identification of Bioactive Compounds and α-Glucosidase Inhibition Activity of Caesalpinia bonduc Seed Extract In vitro

2020 ◽  
Vol 5 (2) ◽  
pp. 12-20
Author(s):  
Oczhinvia Dwitasari ◽  
Djarot Sasongko Hami Seno ◽  
Mega Safithri
Keyword(s):  
Ethyl Acetate ◽  
Bioactive Compounds ◽  
Competitive Inhibition ◽  
Ethanol Extract ◽  
Ethyl Acetate Fraction ◽  
Seed Extract ◽  
Inhibition Mechanism ◽  
Inhibition Activity ◽  
Positive Results

This study is aimed for finding alternative ways to treat diabetes. Many studies have beendone before, but focused on identification of α-glucosidase inhibition mechanism. This study wasconducted by extracting Caesalpinia bonduc seed using two methods maceration by ethanol 96%and the others boil by water. The ethanol extract was then fractioned into three fractions, n-hexane,ethyl acetate, and ethanol. To find the bioactive compounds, the ethanol extract was then tested byseveral phytochemistry tests. The phytochemistry test showed positive results for alkaloid, flavonoid,saponin and triterpenoid. The inhibition mechanism was tested using pNPG. The inhibition testshown that the mechanism was a competitive inhibition, by the Dixon plot. The calculated inhibitionconcentrations for 50% substrate (IC50) for ethyl acetate fraction are 1655.8079 μg/ml for 5 mMsubstrate and 803.9521 μg/ml for 10 mM substrate. From the results of this study, we concluded thatthe extract of Caesalpinia bonduc has inhibition activity toward α-glucosidase enzyme. Keywords: α-glucosidase inhibition, Caesalpinia bonduc seed extract, diabetes treatment

scholarly journals The ethyl acetate fraction of a methanolic extract of unripe noni (Morinda citrifolia Linn.) fruit exhibits a biphasic effect on the dopaminergic system in mice

2017 ◽  
Vol 66 (3) ◽  
pp. 283-291 ◽  
Author(s):  
Vijayapandi Pandy ◽  
Megala Narasingam ◽  
Kamini Vijeepallam ◽  
Syam Mohan ◽  
Vasudevan Mani ◽  
...  
Keyword(s):  
Ethyl Acetate ◽  
Dopaminergic System ◽  
Methanolic Extract ◽  
Ethyl Acetate Fraction ◽  
Morinda Citrifolia ◽  
Biphasic Effect

scholarly journals Antibacterial Activities of Endophytic Fungi Isolated from Mentha cordifolia Leaves and Their Volatile Constituents

2016 ◽  
Vol 11 (9) ◽  
pp. 1934578X1601100
Author(s):  
Sakon Monggoot ◽  
Jariya Burawat ◽  
Patcharee Pripdeevech
Keyword(s):  
Antibacterial Activity ◽  
Ethyl Acetate ◽  
Endophytic Fungi ◽  
Ethyl Acetate Extract ◽  
Inhibition Zone ◽  
Antibacterial Activities ◽  
Gas Chromatography Mass Spectrometry ◽  
High Concentration ◽  
Phenyl Ethyl Alcohol ◽  
First Time

A total of 17 endophytic fungal isolates were obtained from the leaves of Mentha cordifolia Opiz (Lamiaceae). Seven isolates were identified to the level of genus by using taxonomically relevant morphological traits. Colletotrichum and Phomopsis species were dominant among these strains. All strains were separated from M. cordifolia leaf for the first time. The ethyl acetate extracts of all endophytic fungi were tested for antibacterial activity against Salmonella typhimurium TISTR1166 and Pseudomonas aeruginosa TISTR781. Most endophytes exhibited antibacterial activity. Ustilago sp. MFLUCC15-1024 presented the highest inhibition zone diameter with a MIC of 31.25 μg/mL against the tested pathogens. The chemical composition of the ethyl acetate extract of this strain was investigated using gas chromatography-mass spectrometry. Twenty-one components were identified. 2-Phenylethanol (38.7%), E-ligustilide (12.4%), α-eudesmol (10.2%), β-vetivone (4.6%), β-ylangene (3.7%) and verbanol (3.4%) were the major components of the extract. The strong antibacterial activity of Ustilago sp. MFLUCC15-1024 ethyl acetate extract may be attributed to the presence of a high concentration of bioactive compounds including phenyl ethyl alcohol, E-ligustilide and α-eudesmol. The results indicate that there is high diversity of endophytic fungi in M. cordifolia leaf, and that Ustilago sp. MFLUCC15-1024 strain could be an excellent resource of natural antibacterial compounds.

scholarly journals Bioactive Compounds Isolated from Indonesian Epiphytic Plant of Sarang Semut and Their Antibacterial Activity against Pathogenic Oral Bacteria

2017 ◽  
Vol 12 (8) ◽  
pp. 1934578X1701200 ◽  
Author(s):  
Dikdik Kurnia ◽  
Dadan Sumiarsa ◽  
Hendra D.A. Dharsono ◽  
Mieke H. Satari
Keyword(s):  
Antibacterial Activity ◽  
Ethyl Acetate ◽  
Streptococcus Mutans ◽  
Enterococcus Faecalis ◽  
Porphyromonas Gingivalis ◽  
Ethyl Acetate Extract ◽  
Inhibition Zone ◽  
Steroid Glycoside ◽  
Oral Bacteria ◽  
Epiphytic Plant

A new phenolic compound (1), a steroid (2), a new steroid glycoside (4), two triterpenoids (3 & 6) and a new phloroglucinol-sesquiterpene (5) have been isolated from the ethyl acetate extract of Sarang Semut ( Myrmecodia pendans) and their structures were determined on the basis of the spectral data. The bioactivity evaluation was conducted with the inhibition zone of compounds (mm) using Kirby-Bauer method at concentrations of 1000 and 5000 ppm for compound 1 against pathogenic oral bacteria Enterococcus faecalis, was 8.55 and 8.05 mm, respectively. Compounds 2–3 against Streptococcus mutans were 9.00 and 8.45 mm (2) and 10.24 and 9.35 mm (3), respectively. Compound 5 against Porphyromonas gingivalis was 11.5 and 10.8 mm, respectively.

scholarly journals Uji Daya Hambat Fraksi N-Heksan dan Etil Asetat Rumput Laut Cokelat (Sargassum sp.) terhadap Pertumbuhan Bakteri Staphylococcus aureus (Inhibitory Effect of N-Hexane and Ethyl Acetate Fraction of Sargassum sp. Seaweeds against Staphylococcus aureus)

MEDULA ◽  
2020 ◽  
Vol 7 (1) ◽  
Author(s):  
Amiruddin Eso ◽  
Sufiah Asri Mulyawati ◽  
Eka Rahmawati
Keyword(s):  
Staphylococcus Aureus ◽  
Minimum Inhibitory Concentration ◽  
Ethyl Acetate ◽  
Inhibitory Concentration ◽  
Brown Seaweed ◽  
Inhibition Zone ◽  
Ethyl Acetate Fraction ◽  
Inhibitory Effect ◽  
Inhibitory Zone ◽  
Zone Diameter

Background: Staphylococcus aureus is a gram positive bacterium that causes pyogenic infectious disease, such as boils, pimples, endocarditis and sepsis. Resistance of S. aureus is continued growth that made it becomes a very serious problem that need to be solved by looking for another effective alternative for this infection. Several of marine life can be used as a source of antibacterial medication, antiviral, and antifungal. One alternative of antibacterial that comes from water resources is brown seaweed (Sargassum sp.). Purposes: This study aimed to find out the inhibitory fraction of n-hexane and ethyl acetate of Sargassum sp. against the growth of S. aureus Methods: This study applied quasi experimental method which used posttest-only control design. Samples used in the form of brown seaweed treatment of fraction n-hexane and Ethyl acetate derived from Desa Bungin Permai Kecamatan Tinanggea Kabupaten Konawe Selatan. The fraction inhibition test was conducted by diffusion agar method used variant concentration (20%, 40%, 60%, 80%, 100%) with three repetitions. Erythromycin as control (+) and DMSO 10% as control (-).Result: The study result showed that the n-hexane and Ethyl acetate fraction of Sargassum sp. extract was able in inhibiting the growth of S. aureus that seen with the clear zone around the paper disc. Based on this result, the minimum inhibitory fraction of n-hexane and ethyl acetate obtained in this study was at the concentration of 20%. The diameter average of inhibition zone in both fractions in the concentration 20%, 40%, 60%, 80%, 100% were 9.3 mm, 12.3 mm, 25.6 mm, 27 mm, 27.7 mm for n-hexane fraction, mean while the diameter average of inhibition zone in the ethyl acetate fraction was 4.6 mm, 16 mm, 19.3mm, 27.6mm, 29.6 mm. ethyl acetate fraction at a concentration of 40%, 80%,100% inhibitory zone diameter higher than the fraction of n-hexane while at a concentration of 20% and 60% inhibitory zone diameter higner than the fraction of ethyl acetate. Conclusion: Based on the result of the study, it was concluded that the fraction of n-hexane and ethyl acetate of Sargassum sp. has an inhibitory effect against the growth of S. aureus. The Minimum Inhibitory Concentration (MIC) of n-hexane and ethyl acetate fraction was at the concentration of 20%. Fraction of n-heksan and ethyl acetate equally have a strong inhibition of the growth of S. aureus bacteria. Keywords : ethyl acetate fraction, minimum inhibitory concentration, n-hexane fraction, Sargassum sp, Staphylococcus aureus Latar Belakang: Staphylococcus aureus merupakan bakteri gram positif penyebab terjadinya penyakit infeksi yang bersifat piogenik seperti bisul, jerawat, endokarditis dan sepsis. Kejadian resistensi antibakteri terhadap S. aureus terus meningkat sehingga menjadi masalah yang sangat serius sehingga diperlukan alternatif lain untuk mengatasi penyakit infeksi yang lebih efektif. Beberapa hasil biota laut dapat dimanfaatkan sebagai antibakteri, antivirus dan antijamur. Salah satu bahan alternatif sebagai antibakteri yang berasal dari sumber perairan yakni rumput laut cokelat (Sargassum sp.). Tujuan: Penelitian ini bertujuan untuk mengetahui daya hambat fraksi N-Heksana dan Etil Asetat Sargassum sp. terhadap pertumbuhan bakteri S. aureus. Metode: Penelitian ini menggunakan metode quasi eksperimental dengan desain post test-only control. Sampel yang digunakan berupa perlakuan fraksi N-Heksan dan Etil Asetat Sargassum sp. yang berasal dari Desa Bungin Permai Kecamatan Tinanggea Kabupaten Konawe Selatan. Pengujian daya hambat dilakukan dengan metode difusi agar dalam berbagai konsentrasi 20%, 40%, 60%, 80%, 100% dengan tiga kali pengulangan. Eritromisin yang digunakan sebagai kontrol positif dan DMSO 10% (Dimetil sulfoksida) sebagai kontrol negatif. Hasil: Hasil penelitian menunjukkan bahwa fraksi Sargassum sp. mampu menghambat pertumbuhan bakteri S. aureus yang dilihat dengan adanya zona bening disekitar kertas cakram. Konsentrasi hambat minimum dari kedua fraksi pada konsentrasi 20%. Perbedaan rerata diameter zona hambat pada kedua fraksi dengan konsentrasi 20%, 40%, 60%, 80%, 100% yaitu sebesar 9,3 mm,12,3 mm, 25,6 mm, 27 mm, 27,7 mm pada fraksi n- heksan dan 4,6 mm, 16 mm, 19,3 mm, 27,6 mm, 29,6 mm pada fraksi etil asetat. Fraksi etil asetat pada konsentrasi 40%, 80%, 100% diameter zona hambatnya lebih tinggi dari pada fraksi n-heksan sedangkan pada fraksi n-heksan konsentrasi 20% dan 60% diameter zona hambatnya lebih tinggi dibandingkan fraksi etil asetat. Simpulan: Simpulan dari penelitian ini bahwa fraksi n-heksan dan fraksi etil asetat Sargassum sp. mempunyai daya hambat terhadap pertumbuhan bakteri S. aureus ekstrak rumput laut cokelat mengandung senyawa flavonoid, steroid, saponin dan tannin. Konsentrasi hambat minimum (KHM ) dari kedua fraksi yaitu pada konsentrasi 20 %. Fraksi n-heksan dan etil asetat mempunyai daya hambat yang kuat terhadap pertumbuhan bakteri S. aureusKata Kunci : fraksi etil asetat, fraksi n-heksan, Kadar Hambat Minimun, Sargassum sp,  Staphylococcus aureus

scholarly journals Antibacterial Activity Of Tangerine Powder (Citrus reticulata Blanco.) Against Caries-Causing Bacteria (Streptococcus mutans)

2020 ◽  
Vol 10 (2) ◽  
pp. 148-157
Author(s):  
Framesti Frisma Sriarumtias ◽  
Aji Najihudin ◽  
Nopi Rantika ◽  
Rita Nengsih
Keyword(s):  
Antibacterial Activity ◽  
Minimum Inhibitory Concentration ◽  
Dental Caries ◽  
Streptococcus Mutans ◽  
Inhibitory Concentration ◽  
Inhibition Zone ◽  
Diffusion Method ◽  
Pharmaceutical Ingredients ◽  
Caries Treatment ◽  
Inhibitory Power

Dental caries is caused by Streptococcus mutans, which lives in the oral cavity and causes plaque on the teeth. Dental caries treatment involves restoration or filling of tooth tissue that has been perforated due to dental caries. The purpose of this study was analyze the effectivity of  tangerine juice powder in preventing the emergence of dental caries caused by Streptococcus mutans. The experimental method was used in this study started by making a powder from tangerine jiuce using freeze drying method, followed by testing the antibacterial activity using the disc diffusion method. In addition, the minimum inhibitory concentration (MIC) was also sought by measuring the diameter of the clear zone. The results showed that tangerine powder has antibacterial activity, with a minimum inhibitory concentration of 10%. The highest activity of tangerine powder to inhibit the growth of Streptococcus mutans bacteria was observed at   concentration of 25% with an inhibition zone diameter of 15.8 mm, and is classified as having moderate inhibitory power. According to the result of this study is that tangerine juice powder has a good antibacterial activity against Streptococcus mutans and can be developed into a pharmaceutical ingredients to prevent dental caries.

Isolation of Lupeol and Gallic acid with cytotoxic activity of two different extracts from the leaves of Iraqi Conocarpus erectus L.

2021 ◽  
pp. 3495-3503
Author(s):  
Tahany Amir Tawfeeq ◽  
Ghaith Ali Jasim ◽  
Abdulmutalib A. Nasser ◽  
Basma Talib Al-Sudani
Keyword(s):  
Ethyl Acetate ◽  
Cytotoxic Activity ◽  
Gallic Acid ◽  
Cell Line ◽  
Ethyl Acetate Fraction ◽  
Hexane Fraction ◽  
High Concentration ◽  
Conocarpus Erectus ◽  
Mcf 7 ◽  
Ethyl Acetate Extracts

Conocarpus erectus L. is a perennial, evergreen shrub belonging to Combretaceae family. Conocarpus plant reported to contain phenolic acid, flavonoids, lignan, terpenes and tannins. Aim of study was to isolate lupeol from hexane fraction and gallic acid from ethyl acetate fraction and investigate the effects of (hexane and ethyl acetate) fractions on viability of pancreatic AsPC-1 and breast MCF-7 cell lines by MTT assay. The presence of lupeol in the hexane and gallic acid in the ethyl acetate extracts was detected by TLC. The identification of isolated lupeol and gallic acid by HPTLC and HPLC comparing with standard lupeol and gallic acid. Structural elucidation of isolated compounds done by FTIR and UV spectrophotometer. The cytotoxic activity showed more at high concentration (30µg/ml) in both ethyl acetate and hexane fractions against MCF-7 cell line, the percentage of cellular inhibition for ethyl acetate at 30mg/ml was (73% and 79%) more than the hexane fraction in which the inhibition was (60% and 76%) at 48hr and 72 hr respectively. Furthermore, the cytotoxic activity more at high concentration (30µg/ml) in both fractions against AsPC-1 cell line with cellular inhibition (58% and 70%) for ethyl acetate fraction and (50% and 66%) for hexane fraction in compared with Cisplatin.

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