Journal of Tropical Pharmacy and Chemistry
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Efektivitas Krim Ekstrak Metanol Batang Dan Daun Pacar Air (Impatiens balsamina L.) terhadap Bakteri Propionibacterium acnes
Full text linkColonization of Propionibacterium acnes is one of factors that causes acne vulgaris. The present study was conducted to evaluate antiacne effect from cream of methanolic extract from stems and leaves of Impatiens balsamina L. towards Propionibacterium acnes, concentration that gives greatest antiacne effect and to evaluate physical and chemical properties of creams. Simplicia were extracted using soxhlet technique and methanol as solvent. Extract then formulated in cream in three variations of concentration as following 10%(F1), 15%(F2) and 20%(F3). The determination of antiacne effect was done using disc diffusion method. Evaluation of physical and chemical properties of those creams includes organoleptic examination, spreadability, adhesion and pH testing. Determination results showed the diameter of inhibition zone from F1, F2 and F3 were 8,37±2,205; 10,78±2,551; and 17,42±3,029 mm respectively. Analysis results showed that cream of F3 gave significantly greatest antiacne effect compared to F1 and F2 (p<0,05), and not significantly different to the positive control (p>0,05). The evaluation of creams showed that they had homogenous texture, nongreasy, easily washed, spreadability of 10,18±0,285 to 11,55±0,687 cm2, adhesion force of 33,299±2,821 to 60±0 minutes, and pH of 6,07±0,058 to 6,37±0,115, this showed that creams have good physical and chemical properties
Uji Aktivitas Antibakteri dari Isolat Daun Tendani (Goniothalamus Macrophyllus Hook. f. & Thomson.)
Full text linkTumbuhan tendani (Goniothalamus macrophyllus) secara empiris digunakan sebagai obat luar untuk infeksi kulit pada suku Dayak Punan. Penelitian ini bertujuan untuk mengetahui aktivitas senyawa aktif antibakteri yang terkandung dalam isolat dari fraksi etil asetat Daun G. macrophyllus. Fraksi etil asetat adalah fraksi teraktif yang diperoleh dari hasil pengujian aktivitas antibakteri. Isolat diperoleh dari proses pemisahan dan pemurnian menggunakan kromatografi kolom dan kromatografi lapis tipis preparatif. Isolat diuji dengan menggunakan metode difusi agar. Hasil uji aktivitas antibakteri isolat dengan konsentrasi 1,2 mg/50 μL (2,4 %) terhadap S. aureus ATCC 25923 menghasilkan diameter zona hambat sebesar 7,85 mm
Uji Toksisitas Akut Fraksi Etil Asetat Batang Dan Daun Pacar Air (Impatiens balsamina Linn) terhadap Tikus Putih Betina Galur Sprague Dawley
Full text linkImpatiens balsamina Linn has been proven through various studies to have pharmacological benefits. Yet there was no research data regarding the toxicity of these plants. The purpose of this study was to determine the acute toxicity of symptoms that occur after oral administration of ethyl acetate fraction from stems and leaves of Impatiens balsamina Linn, determine the LD50 values ​​and toxicity category compounds in the fraction. This study employed OECD (Organization for Economic, Cooperation and Development) 425 method. Parameters observed qualitatively through the observations of the food and drink intakes and change of body everyday weight during a period of 14 days and microscopic examination of liver and kidney. The results of the study showed no symptoms of toxicity arising from qualitative observations. LD50 value of ethyl acetate fraction of stems and leaves of Impatiens balsamina Linn was more than 2000 mg/kg body weight, which belongs to moderately toxic. Also, a paired t-test concluded that there was no significant differences occuring among the amount of food and drink intakes and body weight changes before and after treatment. Likewise, based on statistical test using One Way ANOVA showed no significant difference in food intakes and body weight changes in the treatment group and control animals (p>0,05), and no significant difference of daily drinking intakes between control group and treatment group with distilled water (p>0,05). While, there was a significant difference between the control rats and the CMC treatment (p <0,05). Based on the results of the scoring damage to liver and kidney showed the ethyl acetate fraction of stem and leaves of Impatiens balsamina Linn histologically caused liver damage, but not for the kidney of the test animals
Aktivitas Antihiperurisemia Ekstrak Etanol Daun Lada (Piper nigrum L.) pada Mencit (Mus musculus L.)
Full text linkA study of pepper leaves (Piper nigrum L.) ethanol extract anti-hyperuricemia activity in mice has been done. The aim of this study was to know the effect of administration, to look for the best dose and to know the potency of pepper leaves ethanol extract in decreasing uric acid level of mice (Mus musculus L,). The method was in vivo anti-hyperuricemia activity using potassium oxonate-induced hyperuricemia mice. The mice were divided into 5 groups, i.e negative control, positive control, extract dose of 12.5 mg/kg BW, extract dose of 25 mg/kg BW and extract dose of 50 mg/kg BW. Each group consisted of 3 mice. The test substances were given orally at 0.75 hours after the induction of potassium oxonate then uric acid levels were measured at 1; 1.5; 2; 2.5 and 3 hours after induction. Uric acid levels of mice were measured using a test-strip uric acid. The results were analyzed visually by an average of the measured data and graphs. The results showed that the pepper leaves ethanol extract dose of 12.5 mg/kg BW, 25 mg/kg BW and 50 mg/kg BW capable to inhibit the increase of uric acid levels. The best dose was 25 mg/kg BW, but based on observation, it was not better than the positive control allopurinol
Efek Nefroprotektif Kombinasi Ekstrak Daun Gedi Merah dan Daun Kumis Kucing pada Tikus Induksi Etilen Glikol
Full text linkNephroprotective compound is a compound that has the ability to protect the kidneys from kidney disorders caused by free radicals. This research aimed to determine the nephroprotective effect of the combination of Abelmoschus manihot leaves and Orthosiphon stamineus leaves extract as well as to know the effective extract dose combinations as nephroprotective. This research applied Group Random Design with 6 treatment groups consists of 5 tested animals. Group I was normal control. Group II was negative control. All extract groups was given 0,75% of ethylene glycol and 2% of ammonium chloride. Group III was given 100 mg/kg BW of Abelmoschus manihot leaves extract and 200 mg/kg BW of Orthosiphon stamineus leaves extract. Group IV was given 50 mg/kg BW of Abelmoschus manihot leaves extract and 100 mg/kg BW of Orthosiphon stamineus leaves extract. Group V was given 100 mg/kg BW of Abelmoschus manihot leaves extract. Group VI was given 200 mg/kg BW of Orthosiphon stamineus leaves extract. Treatment was given for 14 days and the levels of creatine and urea were measured on day 0, 8 and 15. The results show the nephroprotective effect in all the extract groups, but the most effective one was the group III
Pengaruh Ekstrak Etanol Daun Jambu Air (Syzygium aqueum (Burm f.)Alston) terhadap Glukosa Darah, Ureum dan Kreatinin Tikus Putih (Rattus norvegicus)
Full text linkDiabetes mellitus with complications of Diabetic Nephropathy become one of the most common cause of end-stage renal failure in the world. Impaired kidney function is measured by Glomerular Filtration Rate (GFR). Where the decline in GFR was followed by increased levels of blood glucose, urea and creatinine. This study aimed to determine whether there is the content of secondary metabolites in leaves of Sizygium aqueum leaf extract, at a dose of extract what impact the blood glucose, urea and creatinine levels of male rats and whether the water extract of guava leaves have an influence on the blood glucose, urea and creatinine white male rats. This study uses a randomized block design with six treatment groups consisting of five test animals. Group I was normal control (CMC Na suspension 0.5%). Group II negative control (streptozotocin 40 mg/kg). positive control group III (suspension glibenclamide). Group IV given guava leaf extract 100 mg/kg BW. V group awarded guava leaf extract 200 mg/kg BW. Group VI given guava leaf extract 300 mg/kg BW. Treatment was given for 28 days and measured levels of blood glucose urea and creatinine on days 0, 7, 14, 21 and 28. The results showed nefroprotektif effect on all groups and most effective extract are a group of guava leaf extract 100 mg/kg BW)
Evaluation of Synergistic Effect of Kaempferia galanga L. Rhizome Extracts on the Antibiotic Activity Antibiotics against Bacterial Pathogens
No full textBackground: aromatic ginger rhizome (Kaempferia galanga L.) is a member of Zingiberaceae family, has been known to have an antibacterial effect is used for everyday cooking spices, but the synergistic effect on broad spectrum antibiotics was unknown. Objective: this research was conducted to find out the synergistic effect of Kaempferia galanga L. Rhizome extract (KGR) on some broad-spectrum antibiotics against gram positive and negative bacterial pathogens in vitro. Method: KGR was taken from farmers in Samarinda City, East Kalimantan Province, Indonesia. Extraction by maceration with ethanol solvent. Antibacterial activity test of KGR ethanol extract, antibiotic and synergistic effect using Mueller-Hinton agar, Kirby-Bauer disc diffusion method on ampicillin, cefuroxime, chloramphenicol, ciprofloxacin, and meropenem antibiotics against Staphylococcus aureus and Escherichia coli. Results were expressed in percentage increase of the inhibition zone. Statistical test with t-test, significantly different if p<0.05. Results: KGR ethanol extract showed increase the percentage of antibiotic inhibition zone, ampicillin being the highest and the weakest of ciprofloxacin in E. coli; meropenem being the highest and the weakest of ciprofloxacin in S. aureus, statistically significant different tests on antibiotic ampicillin (E. coli), meropenem and cefuroxime. Conclusion: KGR ethanol extract showed synergistic effect on antibiotic ampicillin (E. coli), meropenem and cefuroxime in S. aureus and E. coli
Screening of Active Compounds from Artemisia annua using HFC-134A Subcritic Extraction System
Full text linkArtemisia annua is known as the source of artemisinin, a sesqueterpene lactone possessing endoperoxide moeity with antiplasmodium activity. Sub-critical extraction of artemisinin from Artemisia annua using R134a solvent was conducted. A close system cycle process was constructed to investigate the ability of R134a to extract artemisinin together with other active compounds. Artemisinin and other isolated compouds yield was investigated at 30°C and presure process at 10 barr, with variation of process time. The extracted product was analysed as artemisinin as the target compounds with several isolated compounds as by product. Artemisinin content was reported ranging up to 0,5%, and the sub critic system was reported to be more efficient and effective comparing to other conventional extraction methods. The phytonics HFC-134a sub critics process can be used for extraction in selected pharmacologically active products from herbal plants
Synergistic Effect of Pericarp of Mangosteen and Propolis from Stingless Bee Extracts on Nitric Oxide Scavenging Activity
Full text linkThe aim of this research is to study the synergistic effect on the nitric oxide scavenging activity of mangosteen pericarp and the stingless bee (Tetragonula laviceps) propolis extracts and their phytochemical constituents. The propolis and mangosteen pericarp were extracted by reflux method with ethanol. TPC and TFC of propolis extract were 123.73±2.80 mg GAE/g extract and 70.65±11.21 mg QE/g extract, respectively, and mangosteen pericarp extract was 387.93±15.10 mg GAE/g extract and 87.00±5.06 mg QE/g extract, respectively. The ESI-LC-MS data displayed that both extracts have a variety of phytochemical constituents, such as xanthones, flavonoids, and miscellaneous. The synergistic effect of Nitric oxide scavenging activities of propolis and mangosteen pericarp extracts showed higher activity than individual extracts with various concentrations. Thus, the synergistic effect of propolis and mangosteen pericarp extracts may be an alternative source of inflammatory drug development in the future
Isolation and Cytotoxic Activity Test of Alkaloids from Dichloromethane Fraction of Bark of Tampa Badak (Voacanga foetida (Blume) Rolfe) Against T47D Cell Line
Full text linkCancer is a problem in the health sector because this disease has an increasing incidence of morbidity and mortality. While the treatment still leaves some drug side effects, which cause discomfort for cancers sufferers. The arises because most cancer drugs work non-selectively. Because of some of the problems above, it is necessary to encourage the search for alternative drugs treatment of cancer. Voacanga foetida (Blume) Rolfe (Apocynaceae) is a species of plant from the genus Voacanga known as the tampa badak from West Sumatra. This plant is known to be source of indole alkaloids and also bis-indole alkaloids potential as cancer drugs. Therefore, in this study we are interested to explore the potency of this plant as natural product sources with potential cytotoxic activity. The study was started from the isolation process and continued by characterization of the isolated compounds and then testing their cytotoxic activity T47D breast cancer cell line. The isolation process of alkaloid compounds were performed by acid-base extraction, liquid-liquid fractionation, and followed by separation using column chromatography. Then,the potency of cytotoxic activity of the isolates were screened through Brine Shrimp Lethality Test (BSLT) method and evaluated by MTT assay. The structure of three isolated alkaloids (VFB-DB1.1; VFB-DB2.1; and VFB-DB2.2) were charachterized using spectroscopic analyses, including UV and FT-IR. One isolated compound (VFB-DB1.1) was also characterized using 1H NMR spectroscopy. Based on the similarity of 1H NMR spectra of isolated compound when compared with the literature, compound VFB-DB1.1 was identified as voacangine. Then, the BSLT and MTT assay result showed that VFB-DB1.1 exhibited LC50 value of 15.8 µg/mL againt Artemia salina L.and IC50 value of 8.9 µg/mL against T47D breast cancer cells, respectively