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 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).

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 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

UJI AKTIVITAS ANTIBAKTERI DARI EKSTRAK ETANOL DAUN PERIA LAUT (Colubrina Asiatica L.) TERHADAP BAKTERI STAPHYLOCOCCUS AUREUS DAN ESCHERICHIA COLI

2019 ◽  
Vol 2 (1) ◽  
pp. 14-18
Author(s):  
Firdaus Fahdi ◽  
Harwitavia Harwitavia ◽  
Herviani Sari
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Leaf Extract ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Antibiotic Drugs ◽  
Escherichia Coli Bacteria

The discovery of new antibiotic drugs is getting more and more reactive. The plant of the peria laut leaf is one of the drugs that is often used as a traditional medicine and contains bioactive compounds of polyphenols, flavonoids, and saponins, which can inhibit antibacterial growth. Purpose of this study was to determine the antibacterial activity of ethanol extract of peria laut leaves (Colubrina asiatica L.) against Staphylococcus aureus and Escherichia coli bacteria. Method the experimental, of the sample used was concentrated marine peria laut leaf extract of 25mg/ml, 50mg/ml, 75mg/ml, 100mg/ml, 200mg/ml, 300mg/ml, 400mg/ml, and 500mg/ml, positive control of amoxicillin tablet 500 mg, negative control of dimethylsulfoxide with the method of disc diffusion testing using media Nutrient Agar. Results the showed thet the peria laut leaf extract positively contained bioactive alkaloid compounds, flavonoids, saponins, steroids, and tannins, and had inhibitory effects on Staphylococcus aureus and Escgerichia coli bacteria with various concentrations which had been tested on the average area of the highest inhibition zone of 18,6 mm in Staphylococcus aureus bacteria, and 10,2 mm in Escherichia coli bacteria. Conclusion peria laut leaf extract (Colubrina asiatica L.) has antibacterial activity against Staphylococcus aureus and Escherichia coli bacteria in the most inhibitory zone at a concentration of 500mg/ml with a diameter of 18,6 in Staphylococcus aureus bacteria and 10,2 in Escherichia coli.

scholarly journals UJI AKTIVITAS ANTIHIPERURISEMIA EKSTRAK ETANOL DAUN GEDI HIJAU (Abelmoschus manihot (L.) Medik) PADA TIKUS PUTIH JANTAN GALUR WISTAR (Rattus norvegicus)

PHARMACON ◽  
2019 ◽  
Vol 8 (4) ◽  
pp. 878
Author(s):  
Defritsevani Y. Umboh ◽  
Edwin De Queljoe ◽  
Paulina V. Y. Yamlean
Keyword(s):  
Uric Acid ◽  
Statistical Tests ◽  
Ethanol Extract ◽  
Positive Control ◽  
Negative Control ◽  
Group Iii ◽  
Group I ◽  
Significant Difference ◽  
Potential Activity ◽  
Ethanol Extracts

ABSTRACTIn the southeast Asian Region showing prevalence for the incidence of hyperuricemia, Indonesia ranks second with 18%. Diseases resulting from hyperuricemia (Excess uric acid) are known as gout. The use of excessive or uric acid lowering drugs such as Allopurinol can cause side effects. Flavonoids are known to inhibit xanthine oxidase, so flavonoids have the potential to be used as antyhiperuricemia agents. Green gedi leaves that have been extracted with 96% ethanol have a total flavonoid content of 41.56%. This study aims to determine the potential activity of reducing uric acid levels from green gedi leaves. This type of research is an experimental study carried out in a laboratory with rat test animals with 5 kind of treatments with 3 treatments per repetition. Hyperuricemia conditioning is done by inducing potassium oxonate intraperitoneally. Group I as negative control was given 1% CMC, group II as positive control was given Allopurinol, group III-V was treated with ethanol extract of green gedi leaves with defferent doses of 3.6mg, 7.2mg and 14.4mg. Based on the ANOVA test results obtained there is a significantly different levels of uric acid with p = 0.038 (<0.05) where the results of decreased of uric acid levels with the ethanol extracts of green gedi have a significant difference (p<0.05) with ANOVA statistical tests with level of confidence 95%. Keywords : Anova, antyhiperuricemiaa, green gedy leaves. ABSTRAKDi Kawasan Asia Tenggara menunjukan prevelensi untuk kejadian hiperurisemia, Indonesia menduduki peringkat kedua dengan angka 18%. Penyakit akibat hiperurisemia (kelebihan asam urat) dikenal sebagai gout atau pirai. Penggunaan obat penurun asam urat seperti Allopurinol yang berlebihan atau terlalu sering dapat menimbulkan efek samping. Flavonoid diketahui dapat menghambat xantin oksidase, sehingga flavonoid berpotensi untuk dijadikan sebagai agen antihiperurisemia. Daun gedi hijau yang telah diekstraksi dengan etanol 96% memiliki total kandungan flavonoid sebesar 41,56%. Penelitian ini bertujuan untuk mengetahui potensi aktivitas penurunan kadar asam urat dari daun gedi hijau. Jenis penelitian ini merupakan penelitian eksperimental yang dilakukan didalam laboratorium dengan hewan uji tikus dengan 5 macam perlakuan setiap perlakuan dengan 3 kali pengulanan. Pengkondisian hiperurisemia dilakukan dengan menginduksi kalium oksonat secara intreperitoneal. Kelompok I sebagai kontrol negatif diberi CMC 1%, kelompok II sebagai kontrol positif diberi Allopurinol, kelompok III- V diberi perlakuan ekstrak etanol daun gedi hijau dengan dosis yang berbeda-beda yaitu 3,6mg, 7,2mg, dan 14,4mg. Berdasarkan hasil uji ANOVA didapatkan kadar asam urat berbeda secara bermakna dengan p = 0,038 (<0,05) dimana hasil penurunan kadar asam urat ekstrak etatnol daun gedi hijau terdapat perbedaan yang signifikan (p<0,05) dengan uji statistik ANOVA dengan tingkat kepercayaan 95%. Kata kunci : Daun gedi hijau, antihiperurisemia, Anova

scholarly journals UJI AKTIVITAS ANTIBAKTERI DARI EKSTRAK ETANOL DAUN PERIA LAUT (Colubrina Asiatica L.) TERHADAP BAKTERI STAPHYLOCOCCUS AUREUS DAN ESCHERICHIA COLI

2019 ◽  
Vol 2 (1) ◽  
pp. 19-23
Author(s):  
Firdaus Fahdi ◽  
Harwitavia Harwitavia ◽  
Herviani Sari
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Leaf Extract ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Antibiotic Drugs ◽  
Escherichia Coli Bacteria

The discovery of new antibiotic drugs is getting more and more reactive. The plant of the peria laut leaf is one of the drugs that is often used as a traditional medicine and contains bioactive compounds of polyphenols, flavonoids, and saponins, which can inhibit antibacterial growth. Purpose of this study was to determine the antibacterial activity of ethanol extract of peria laut leaves (Colubrina asiatica L.) against Staphylococcus aureus and Escherichia coli bacteria. Method the experimental, of the sample used was concentrated marine peria laut leaf extract of 25mg/ml, 50mg/ml, 75mg/ml, 100mg/ml, 200mg/ml, 300mg/ml, 400mg/ml, and 500mg/ml, positive control of amoxicillin tablet 500 mg, negative control of dimethylsulfoxide with the method of disc diffusion testing using media Nutrient Agar. Results the showed thet the peria laut leaf extract positively contained bioactive alkaloid compounds, flavonoids, saponins, steroids, and tannins, and had inhibitory effects on Staphylococcus aureus and Escgerichia coli bacteria with various concentrations which had been tested on the average area of the highest inhibition zone of 18,6 mm in Staphylococcus aureus bacteria, and 10,2 mm in Escherichia coli bacteria. Conclusion peria laut leaf extract (Colubrina asiatica L.) has antibacterial activity against Staphylococcus aureus and Escherichia coli bacteria in the most inhibitory zone at a concentration of 500mg/ml with a diameter of 18,6 in Staphylococcus aureus bacteria and 10,2 in Escherichia coli.

scholarly journals Formulation of Mouthwash Preparations Ethanol Extract of Coffee Beans Roasted Robusta (Coffea canephora) and Effectiveness Test on Bacteria Streptococcus mutans

2021 ◽  
Vol 4 (1) ◽  
pp. 53-65
Author(s):  
Syaifur Rahman ◽  
Reni Ariastuti ◽  
Ahwan Ahwan
Keyword(s):  
Antibacterial Activity ◽  
Streptococcus Mutans ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Diffusion Method ◽  
Coffee Bean ◽  
Robusta Coffee ◽  
The Stability

Dental caries can be caused by Streptococcus mutans bacteria. Robusta coffee bean extract has an inhibitory effect on the growth of Streptococcus mutans bacteria. Compounds that have antibacterial activity are chlorogenic acid (CGA), caffeine, caffeic acid and trigonelline. Robusta coffee bean extract has the potential to be formulated into mouthwash. This study aims to make a mouthwash formula with the active ingredient of roasted Robusta coffee extract and then evaluate the preparation and test its effectiveness against S. mutans bacteria. Mouthwash preparations were made in 3 formulas with different glycerin concentrations, namely 5%, 10%, and 15%. The stability test of the preparation used the treatment before and after the forced condition. Bacterial inhibition test using agar diffusion method with the positive control, namely commercial mouthwash Chlorhexidine and negative control mouthwash formula without extract content. Data analysis used the Kruskal-Wallis test to determine the differences in each treatment, and the Mann-Whitney test to see which treatment groups were significantly different. The results of the evaluation of the stability of the preparation showed that the three formulations of the mouthwash of roasted Robusta coffee bean extract had organoleptic stability, pH, and viscosity. The results of the inhibitory effectiveness test showed that the mouthwash formulation of formula 1 produced an inhibition zone of 1.6 mm, formula 2 of 2.1 mm, formula 3 of 2.4 mm, positive control of 6.8 mm, and negative control did not produce obstacles zone. It can be concluded that the three mouthwash formulas have antibacterial activity in the weak category (5 mm). The concentration of glycerin in the formula had no significant effect on the stability of the preparation and the antibacterial effectiveness of S. mutans. The results of the inhibitory effectiveness test showed that the mouthwash formulation of formula 1 produced an inhibition zone of 1.6 mm, formula 2 of 2.1 mm, formula 3 of 2.4 mm, positive control of 6.8 mm, and negative control did not produce obstacles zone. It can be concluded that the three mouthwash formulas have antibacterial activity in the weak category (5 mm). The concentration of glycerin in the formula had no significant effect on the stability of the preparation and the antibacterial effectiveness of S. mutans. The results of the inhibitory effectiveness test showed that the mouthwash formulation of formula 1 produced an inhibition zone of 1.6 mm, formula 2 of 2.1 mm, formula 3 of 2.4 mm, positive control of 6.8 mm, and negative control did not produce obstacles zone. It can be concluded that the three mouthwash formulas have antibacterial activity in the weak category (5 mm). The concentration of glycerin in the formula had no significant effect on the stability of the preparation and the antibacterial effectiveness of S. mutans.

scholarly journals Uji Aktivitas Antioksidan Ekstrak Air dan Ekstrak Etanol Daun Kelor (Moringa Oleifera LAM)

2017 ◽  
Vol 6 (2) ◽  
pp. 125
Author(s):  
Rizkayanti Rizkayanti ◽  
Anang Wahid M. Diah ◽  
Minarni Rama Jura
Keyword(s):  
Vitamin C ◽  
Moringa Oleifera ◽  
Water Extract ◽  
Ethanol Extract ◽  
Positive Control ◽  
Negative Control ◽  
Ic50 Value ◽  
Antioxidant Potency ◽  
Ethanol Extracts ◽  
Moringa Oleifera Lam

Moringa (moringa oleifera Lam) leaves contains many molecules as inhibitors for free radicals such as phenolic compounds (phenolic acids, flavonoids, quinones, coumarins, lignans, stilbenes, tannins), nitrogen compounds (alkaloids, amines, betalain), vitamins, terpenoids (including carotenoids), and several other endogenous metabolites as antioxidants. This study aimed to determine the antioxidant potency of water and ethanol extracts of moringa (moringa oleifera Lam) leave obtained by maceration and dekok. The concentration of free radical 1,1-diphenyl-2-picrylhydrazyl (DPPH) was analyzed using UV-Vis spectrophotometer after addition of various concentrations of Moringa leaves extracts. Various concentrations of moringa leave extracts used were 20 ppm, 40 ppm, 60 ppm and 80 ppm. Vitamin C solutions as the positive control were prepared on similar various concentrations. The negative control was prepared using DPPH solutions dissolved in absolute ethanol. The results indicated that the ethanol extract of moringa leaves prepared by maceration method showed the antioxidant potency with an IC50 value of 22.1818 ppm, but the IC50 value of water extract of moringa leaves prepared by dekok was 57.5439 ppm. While, the IC50 value of Vitamin C was 8.8084 ppm. Based on the IC50 data it can be concluded that Vitamin C is a stronger antioxidant than moringa leaves extracts.

scholarly journals AKTIVITAS ANTIBAKTERI EKSTRAK ETANOL BIJI KAPULAGA JAWA (Amomum compactum Soland. ex Maton) TERHADAP Streptococcus pyogenes

EKOLOGIA ◽  
2020 ◽  
Vol 20 (1) ◽  
pp. 31-39
Author(s):  
Oom Komala ◽  
. Ismanto ◽  
Muhammad Alan Maulana
Keyword(s):  
Antibacterial Activity ◽  
Streptococcus Pyogenes ◽  
Pathogenic Bacteria ◽  
Inhibition Zone ◽  
Positive Control ◽  
Negative Control ◽  
Diffusion Method ◽  
Dilution Method ◽  
Natural Treatment ◽  
Amomum Compactum

Streptococcus pyogenes is one of the pathogenic bacteria that causes pharyngitis. Natural treatment to overcome these problems is to use cardamom seeds. The purpose of this study was to test the antibacterial activity, determine the concentration of inhibitory zone and phytochemical compounds from  ethanol 96% extract of Java cardamom seeds (Amomum compactum Soland. Ex Maton) against Streptococcus pyogenes. The method is used   solid dilution and paper disc diffusion method. The solid dilution method is used for the Minimum Inhibitory Concentration (MIC) test with a concentration of 1.25%, 2.5%, 5% and 7.5% while the paper diffusion method is used for the Inhibition zone Diameter (IZD)  using five treatments namely three concentrations of ethanol 96% extract of Java cardamom seeds (7.5%, 10% and 12%), one positive control of amoxicillin 0.01 mg/mL and one negative control of sterile distilled water. IZD data were  analyzed using ANOVA with a confidence level of 95% and α = 0.05 and Duncan's further tests to determine differences between treatments. The results showed that the MIC  was at a concentration of 7.5% while for the IZD test which had the highest activity there was a concentration of 12% with an average inhibition diameter of 12.03 ± 0.14 mm. In addition, ethanol 96% extract of Java cardamom seeds contain alkaloids, flavonoids, terpenoids and tannins which function in antibacterial activity.

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