scholarly journals Potensi Antibakteri Ekstrak Daging Buah Kelubi (Eleiodoxa conferta) Bangka Belitung Menggunakan Microwave-Assisted Extraction (MAE)

2020 ◽  
Vol 7 (2) ◽  
pp. 177-182 ◽  
Author(s):  
Surtina Surtina ◽  
Ratih Puspita Sari ◽  
Zulita Zulita ◽  
Rani Rani ◽  
Occa Roanisca ◽  
...  
Keyword(s):  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Microwave Assisted Extraction ◽  
Test Results ◽  
Inhibitory Zone ◽  
E Coli ◽  
Microwave Assisted ◽  
Assisted Extraction

Antibacterial tests were carried out using ethanol extract of kelubi meat (Eleidoxa conferta), extraction using the Microwave-Assisted Extraction method with a ratio of 2: 20 for 30 minutes at 60 °C. Antibacterial tests using diffusion methods with concentrations of 20%, 40%, 60%, 80%, and 100%; positive control of 0.005% amoxillin and DMSO negative control. Antibacterial test results showed that the inhibition zone of ethanol extract in E. coli bacteria with a concentration of 20% was in the moderate category, for a concentration of 40% including the strong category while the concentration of 60%, 80% and 100% was very strong. The inhibition zone of ethanol extract for the S. aureus bacterium with a concentration of 20% is included in the strong category while the concentration of 40%, 60%, 80%, and 100% is categorized as very strong. From these results it can be concluded that the inhibitory zone in Stapylococcus aureus bacteria is greater than that of E. coli bacteria.

scholarly journals The Effect of Various Concentrations of Ethanol Extract of the Leaves of Paederia foetida L. on the Growth of Escherichia Coli Bacteria

2021 ◽  
Vol 11 (6) ◽  
pp. 61-67
Author(s):  
Hertina Silaban
Keyword(s):  
Escherichia Coli ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Rare Plants ◽  
E Coli ◽  
Paederia Foetida ◽  
Escherichia Coli Bacteria ◽  
The One

Bacterial infection of Escherichia coli (E. coli) as the cause of gastrointestinal disorders in humans has increased their prevalence. Treatment using natural ingredients can be a choice of therapy because of the minimal side effects. One of the rare plants believed by the community as an antibacterial is stinking vin’e known as the ‘leaf fart’. The purpose of this research is for knowing the activity of the ethanol extract of Paederia foetida L can affect the growth of E.coli. The serial diffusion disc method is being used as the antibacterial activity test. The concentration  of this extract are 10%, 20%, 40%, 80%, 100% with positive control (ciprofloxacin) and negative control (aqua dest). The inhibition zone diameter characterized the effect of Extract on bacterial growth were 6.16 mm of the concentration 10%, 6.667 mm of the concentration 20%, 7.10 mm of the concentration 40 %, 7.78 mm of the concentration 80%, and 10.03 mm of the concentration 100%. As for the negative control has no effect. The study stated that the higher concentration of antibacterial agent used, the greater the inhibition zone formed. Based on the result of the analysis of the data by using the One-Way ANOVA Test showed a probability value (p) = 0.000 or value (p) < 0.05, that H0 is rejected and H1 is accepted. The conclusion is that the Extract of stinking vin’e has an antibacterial effect on the growth of E.coli. Keywords: Antibacterial, E.coli, Extract of  Sembukan leaf

UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN KECOMBRANG Etlingera elatior (Jack) R.M.Sm TERHADAP Salmonella typhi

2017 ◽  
Vol 1 (1) ◽  
pp. 1
Author(s):  
Eko Kusumawati ◽  
Risa Supriningrum ◽  
Reza Rozadi
Keyword(s):  
Antibacterial Activity ◽  
Statistical Tests ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Salmonella Typhi ◽  
Positive Control ◽  
Negative Control ◽  
Test Results ◽  
Measurement Results ◽  
Ethanol Extracts

Research Test Antibacterial Activity of Ethanol Extracts of Leaves kecombrang against Salmonella typhi aims to determine the antibacterial activity of ethanol extract of leaves kecombrang against Salmonella typhi. The extract used is kecombrang leaf extract prepared by maceration using ethanol 95%, extracts obtained test chemical classes of compounds to determine the content of the active compound. Antibacterial activity test conducted at five concentrations of the extract is 20%, 40%, 60%, 80%, and 100%. Inhibition zone measurement results are then analyzed using One Way ANOVA with SPSS 20 to determine whether there is a difference at each concentration. The results showed kecombrang leaf ethanol extract 20%, 40%, 60%, 80%, and 100% produce inhibition zone diameter 3.9 mm; 6.5 mm; 6.75 mm; 7:45 mm; and 9:28 mm, 0 mm for the negative control and positive control 32.61 mm. The test results show the class of secondary metabolites kecombrang leaf ethanol extract contains tannin, saponin, and flavonoids. Of statistical tests concluded there were significant differences of treatment results in inhibition of the respective concentrations of ethanol extracts of leaves kecombrang

UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN MEKAI (Pycnarrhena cauliflora DIELS.) TERHADAP Staphylococcus aureus

2020 ◽  
Vol 6 (2) ◽  
pp. 246
Author(s):  
Yayuk Bulam Sarifati ◽  
Sjarif Ismail ◽  
Khemasili Kosala
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Antimicrobial Agents ◽  
Statistical Tests ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Control Measurement ◽  
Eye Pain

Mekai leaves (Pycnarrhena cauliflora Diels.) (P. cauliflora). Are known to contain flavonoid compounds, tannins and phenolics that act as antibacterial agents and are used in the treatment of eye pain. Staphylococcus aureus (S. aureus) is one of the examples of bacterial diseases of eye pain and also a major cause of many infections in communities and health facilities with cases of resistance to various antimicrobial agents. The purpose of this study was to prove the antibacterial activity of mekai leaves ethanol extract against S. aureus bacteria. This research is an experimental research. The stages of this research began by extracting mekai leaves using maceration method with 96% ethanol solvent. Antibacterial activity was tested by the disc method (Kirby-Bauer) using ethanol extract concentrations of mekai leaves (EPC) 20%, 30%, 40%, 50%, 60%, 70%, and 80%, positive control using 25 μg amoxicillin and negative control using DMSO 10%. The measurement results of inhibition zones of mekai leaf ethanol extract 20%, 30%, 40%, 50%, 60%, 70% and 80% respectively were 8.32 mm, 8.32 mm, 8.32 mm, 8.67 mm, 9.00 mm, 8.67 mm, and 8.33 mm. While the positive control measurement of 25 μg amoxicillin against S. aureus is 28.67 mm and the measurement of 10% negative DMSO control does not produce inhibitory zones, so it can be concluded that the ethanol extract of mekai leaves has antibacterial activity, but the area of ​​inhibition zone produced is smaller than amoxicillin 25 µg. The results of statistical tests using Mann Whitney between negative controls with all EPC concentrations obtained significant differences with p values ​​<0.05, it can be concluded that there is antibacterial activity produced at all EPC concentrations.

scholarly journals Antibacterial Activity of Ethanol Extract of Spirulina platensis

2021 ◽  
Vol 7 (2) ◽  
pp. 47-51
Author(s):  
Prayoga Pannindrya ◽  
Mega Safithri ◽  
Kustiariyah Tarman
Keyword(s):  
Antibacterial Activity ◽  
Spirulina Platensis ◽  
Ethanol Extract ◽  
Positive Control ◽  
Diffusion Method ◽  
Test Results ◽  
Nutritional Content ◽  
Disc Diffusion Method ◽  
Antibacterial Test ◽  
E Coli

Spirulina is a microalgae that has been widely used as various supplements and medicines because of its high nutritional content. The need for new antibacterial sources to solve the problem of antibiotic resistance, makes the potential of Spirulina as an antibacterial agent necessary to be researched. This study aims to analyze the antibacterial activity of ethanol extract of Spirulina platensis obtained from the Indonesian region against Staphylococcus aureus and Escherichia coli. Spirulina samples were macerated in ethanol solvent in a ratio of 1:10 (w / v). The antibacterial test used was the disc diffusion method with clindamycin positive control. Antibacterial test results showed that S. platensis in this study did not have antibacterial activity against E. coli and S. aureus.

scholarly journals UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN BAWANG DAYAK (Eleutherine palmifolia (L.) Merr) TERHADAP PERTUMBUHAN Propionibacterium acne

2020 ◽  
Vol 3 (2) ◽  
pp. 261-270
Author(s):  
Eka Kumalasari ◽  
◽  
aina aina ◽  
noverda ayu checaria ◽  
noor aisyah
Keyword(s):  
Antibacterial Activity ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Negative Control Group ◽  
Positive Control ◽  
Negative Control ◽  
Control Group ◽  
Antibacterial Compounds ◽  
Propionibacterium Acne ◽  
Facial Changes

Acne that appears can cause facial changes, in the form of swelling, redness, purulence and causing pain so that it will create an impression that is less attractive in appearance and affects one's beauty. One of the causes of acne is Propionibacterium acne. Dayak onion leaves are one of the plant that contain antibacterial compounds. The purpose of this study was to determine the antibacterial activity of ethanol extract of onion leaves on the growth of Propionibacterium acne.The antibacterial activity of this plant needs to be reviewed through with extract group with various concentrations, positive control group (clindamycin 0.1%) and negative control group (Aquadest). The results showed that the ethanol extract of dayak onion leaves had antibacterial activity against the growth of Propionibacterium acne. The diameter of the inhibition zone formed at concentrations of 20%, 40%, 60%, 80% and 100% respectively 7.25 mm (medium), 10.43 mm (strong), 15.23 mm (strong), 18, 55 mm (strong) and 22.20 mm (very strong).

UJI AKTIVITAS EKSTRAK ETANOL GAMBIR (Uncaria gambir Roxb.) TERHADAP PENYEMBUHAN LUKA BAKAR PADA KULIT PUNGGUNG MENCIT PUTIH JANTAN (Mus musculus)

2017 ◽  
Vol 1 (2) ◽  
pp. 133
Author(s):  
Fitri Handayani ◽  
Eka Siswanto ◽  
Lintang Ayu Trisna Pangesti
Keyword(s):  
Treatment Group ◽  
Healing Process ◽  
Ethanol Extract ◽  
Negative Control Group ◽  
Positive Control ◽  
Negative Control ◽  
Control Group ◽  
Test Results ◽  
Anova Analysis ◽  
The People

Gambir (Uncaria gambir Roxb.) contains flavonoids, tannins, saponins and alkaloids that can help in the healing process of burns on the back skin of mice. Gambir has been used for the treatment because it has the effect of antimicrobial and anti-inflammatory. Gambir is used by the people as a traditional medicine to treat burns.This research is experimental research. The object studied is the potential of gambir extract on healing burns of mice back skin. The number of mice used are 15 which divided into 5 groups: the positive control group (branded ointment), negative control group (vaseline flavum), group of gambir ethanol extract and vaseline flavum concentration of 25%, 35%, and 45%. Each group consisted of 3 mice.Backs of the mice induced using a heated solder which tip contained stainlees plate measuring 1x1 cm and placed for 2 seconds on the back skin of mice. The percentage of burns healing is obtained by calculating the surface area of the wound. The data were analyzed using ANOVA analysis followed by LSD test. The results showed that ethanol extract of gambir concentration of 25% with the healing burns percentage of (72.00%), the concentration of 35% (85.00%), and the concentration of 45% (88.67%) have activity on healing burns of back skin of mice. The results of data analysis using ANOVA showed that the data has significant differences with a significance value <0.05 is 0.000. LSD test results stated that each treatment group have significant differences with a significance value <0.05. It can be seen that with increasing dose will be followed by duration of burns healing

scholarly journals Antibacterial Activity of Cold Powder Preparation of (Ethanol Extract) Starfruit Leaf (Averrhoa bilimbi Linn.) Against Propionibacterium acnes

2020 ◽  
Vol 6 (2) ◽  
pp. 120-128
Author(s):  
Helen Anjelina Simanjuntak ◽  
Kasta Gurning ◽  
Verawati Br. Sinaga
Keyword(s):  
Antibacterial Activity ◽  
Medicinal Plant ◽  
Research Method ◽  
Propionibacterium Acnes ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Distilled Water ◽  
Powder Preparation

Acne is a skin disease that occurs due to chronic trade that is triggered by the bacterium Propionibacterium acnes. Starfruit leaf (Averrhoa bilimbi Linn.) as a traditional medicinal plant which has antibacterial activity. The purpose of this study was to determine the antibacterial activity from ethanol extract in the preparations cold powder of starfruit leaf (Averrhoa bilimbi Linn.) againts Propionibacterium acnes. The research method was carried out experimentally, and testing for antibacterial activity was carried out using agar diffusion methods. Cold powder formulation such as F1 (5%), F2 (10%), F3 (15%), F4 (20%), positive control with clindamycin, negative control with distilled water. The results showed that the F3 (15%) and F4 (20%) formulations were more effective in inhibiting the growth of Propionibacterium acnes bacteria with inhibition zone diameters of 13.66 mm and 15.16 mm in the strong category

scholarly journals SKRINING FITOKIMIA DAN UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL DAUN RACUN AYAM (Brucea javanica [L.] Merr.) ASAL KALIMANTAN SELATAN

2021 ◽  
Vol 6 (1) ◽  
pp. 59-68
Author(s):  
Sutomo Sutomo ◽  
◽  
Arnida Arnida ◽  
Fahriah Fahriah
Keyword(s):  
Antibacterial Activity ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Negative Control ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Inhibition Zone Diameter ◽  
E Coli ◽  
Zone Diameter ◽  
Brucea Javanica

Racun ayam is one of the plants which has several activities in its fruits, one of which is an antibacterial. This study aims to determine the antibacterial activity of ethanol extract of racun ayam leaves. The extraction was done by maceration method using ethanol as a solvent. Antibacterial activity assay was carried out on S. aureus, E. coli, and P. aeruginosa bacteria by disk diffusion method at the concentrations of 80, 100, and 120 ppm. The results showed that the ethanol extract of B. javanica leaves had the greatest inhibition zone on E. coli with inhibition zone diameter values ​​at 80, 100, and 120 ppm were 11.7 mm, 14.5 mm and 19.67 mm respectively. Inhibition zones in S. aureus could only be seen at 100 and 120 ppm which had inhibition zone diameters at 1.17 mm and 2.17 mm respectively, whereas in P. aeruginosa they did not have any inhibitory zone values. The results of statistical analysis showed a significance of the inhibition zone diameter values ​​of E. coli bacteria starting at 80 ppm with a sig value of 0.034. Due to a sig value was <0.05, it was categorized as significantly different from the negative control. The bacteria of S. aureus which had ​​<0.05 for sig values only found on 100 ppm and 120 ppm. Bacteria P. aeruginosa which had sig value >0.05 was not significantly different at all concentrations

scholarly journals EKSTRAKSI DAUN PELAWAN (Tristaniopsis merguensis)SEBAGAI ANTIOKSIDAN MENGGUNAKAN MICROWAVE ASSISTED EXTRACTION (MAE)

2018 ◽  
Vol 1 (2) ◽  
pp. 50 ◽  
Author(s):  
Sito Enggiwanto ◽  
Fusfita Istiqomah ◽  
Kasro Daniati ◽  
Occa Roanisca ◽  
Robby Gus Mahardika
Keyword(s):  
Antioxidant Activity ◽  
Solvent Extraction ◽  
Secondary Metabolites ◽  
Ethanol Extract ◽  
Microwave Assisted Extraction ◽  
Microwave Assisted ◽  
Assisted Extraction

Indonesia is a country that produces a wealth of abundant biodiversity, one of which is a plant that is often cultivated the tree of Pelawan (Tristaniopsis merguensis). Pelawan trees are widely spread in Indonesia one of them found in the forests of the Bangka Belitung island. Therefore, this study aims to identify the secondary metabolites and testing antioxidants in leaf of pelawan extract by comparing methods of Microwave Assisted Extraction (MAE) with maceration method. The resistant leaf used in this study was obtained from Sempan, Bangka Belitung. The observation result shows that the use of MAE method can extract with faster time compared with maceration method. So the MAE method is more effective than the maceration method. The using of MAE method for 30 minutes obtained the highest yield percentage of 41.3% in ethanol solvent which is more effective than acetone solvent. Extraction by using 48 hour maceration yields is 28.985%. While the extraction with 30 minute maceration is 13.385%. Testing of antioxidant activity using Microwave Assisted Extraction (MAE) method on acetone solvent has the highest antioxidant activity than ethanol extract that is 9,501 μg/mL. The use of the MAE method is more efficient in extracting the leaves of Pelawan than the maceration method when viewed from the time and antioxidant activity.

scholarly journals Potensi Daun Trembilungan (Begonia hirtella Link) sebagai Antibakteri dan Antifungi

Biosfera ◽  
2017 ◽  
Vol 33 (3) ◽  
pp. 126
Author(s):  
Febri Nur Ngazizah ◽  
Nuraeni Ekowati ◽  
Aisyah Tri Septiana
Keyword(s):  
Ethyl Acetate ◽  
Leaf Extract ◽  
Ethyl Acetate Extract ◽  
Ethanol Extract ◽  
Average Diameter ◽  
Inhibition Zone ◽  
Inhibitory Zone ◽  
Ethyl Palmitate ◽  
E Coli ◽  
Significant Difference

Begonia hirtella leaf are commonly used by people in mountainous areas to treat itchy due to insect bites and skin infection. This study aims to (1) determine proper solvent extract of B. hirtella leaf on antibacterial activity of S. aureus and E. coli and on antifungal activity of C. albicans (2) determine the lowest concentration of leaf extract of B. hirtella that indicate the formation of inhibition zone (3) know the content of bioactive compounds contained in each leaf extract of B. hirtella. The method used in this study is experimental with completely randomized design (CRD). The treatments were type of solvents (n-hexane, ethyl acetate, ethanol and water) and a serie of the ethyl acetate extract concentration of 500 ppm, 450 ppm, 400 ppm, 350 ppm, 300 ppm and 250 ppm against S. aureus, E. coli and C. albicans. Data were analyzed using analysis of variance (Anova) and the significant differences between the treatments were analyzed by Duncan test at 95% confidence level. The result showed that each solvent extracts affect microbes growth with a highly significant difference p <0.05. Solvent extracts that have the best inhibitory zone is ethyl acetate against S. aureus with an average diameter of inhibitory zone 13.75 ± 1.26 mm. Increasing concentrations of ethyl acetate extract of 250 ppm to 500 ppm increase inhibition zone against microbes. The lowest concentration that show inhibition zone was 300 ppm. The formation inhibition of zone on microbes growth happened due to their compounds in the extract. Extract of n-hexane contains stigmasterol, ethyl acetate contains neophytadiene, while the ethanol extract contains ethyl palmitate

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