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Toxicological Evaluation of Tetrameles nudiflora Methanolic Extract

Journal of Tropical Life Science Vol 5, No 1 (2015)
Publisher : Journal of Tropical Life Science

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Abstract

Exploration of Mekongga national park resulted in novel finding of anticancer property from Tetrameles nudiflora. The investigation of toxic features of T. nudiflora is vital for further studies of its pharmacological activities. Acute toxicity test was done on methanolic extracts of T. nudiflora in DDY mice. Animals were divided into 5 groups: Group 1 was given 1 ml solution of 2.5% Tween 80 in a single oral dose; Group 2, 3, 4 and 5 were orally administrated a single dose of 1, 2, 4 and 8 g/kg body weight T. nudiflora, respectively. Toxic effects of the extract were evaluated on the basis of behavioral observations in the form of locomotor activity; curiosity; defecation; urination and also animal mortality. Observations were carried out for 14 days. No significant changes on body weight, and behavioural activities were recorded. Mortality was recorded up to 22% of the male group, and 11% within the female group. The T.nudiflora extracts tested for toxicity against brine shrimp had 50% lethal concentration (LC50) values of 46.67 μg/ml. It can be concluded that methanol extracts of T. nudiflora are potential to be explored as anticancer (LC50=46.67 μg/ml). The extract is slightly toxic in male mice with Lethal Dose 50 (LD50) 12.6 g/kg body weight, and practically non toxic for female (LD50>15 g/kg body weight).Key words : Tetrameles nudiflora, brine shrimp lethality test, acute oral toxicity, LD 50.

SELAGINELLA ACTIVE FRACTIONS INDUCE APOPTOSIS ON T47D BREAST CANCER CELL

INDONESIAN JOURNAL OF PHARMACY Vol 23 No 1, 2012
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

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Abstract

Apoptosis  is  an  important  target  on  anticancer  mechanism. The  purpose  of  this  research  is  to  investigate  apoptosis  induction of Selaginella plana Hieron active fractions on T47D cells. Absolute ethanol  was  used  to  extract Selaginella  plana powders.  Ethanolic extract  was  dilluted  by  methanol:water  (4:1)  and  then fractionated  by  hexane  (S_Hex),  methylene  chloride  (S_MTC), ethyl acetate (S_EA), and buthanol (S_BuOH). The proliferation of T47D  cell  line  was  detected  by  SRB  (Sulforhodamine  B) assay which  was  measured  at  a  wavelength  of  515nm.  Flowcytometry analysis  to  determine  apoptosis  was  examined  by  Propidium Iodide  (PI)  and  Annexin  V  assay  using  T47D  breast  cancer  cell line.  The  result  showed  that  the  IC50 value  of  S_Hex,  S_MTC, S_EA,  and  S_BuOH  on  T47D  cells  were  107  µg/mL,  4  µg/mL,  6 µg/mL,  and  17  µg/mL  respectively.  The  active  fractions  (S_MTC and  S_EA)  at  its  IC50 concentration  significantly  (P<0.05) increased  the  total  number  of  early  apoptotic  cells  in  the  T47D cells  3.39%  and  4.1%  respectively  compared  to  that  of  control (1.95%).  Based  on  the  result,  methylene  chloride  and  ethyl acetate  fraction  of Selaginella  plana induced  apoptosis  on  T47D cell.Keywords: apoptosis, breast cancer, Selaginella

Characterization of Ethanol Extract from Katumpangan Air Herbs (Peperomia pellucida L. Kunth

Biopropal Industri Vol 6, No 2 (2015)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Peperomia pellucida L. Kunth known as “Katumpangan Air” is a potential medicinal plants used traditionally for uric acid, rheumatic, headache, stomachache, antimicrobial. This study aims to establish  the non-specific  and specific parameters of ethanol extract from Katumpangan air (EKA). EKA was collected from three different growth places: South Tangerang (6.833%), Bogor (7.8%) and Yogyakarta (13.125%). The results show that organoleptic extract characterization from three places were same: thick, blackish green brown, bitter and have a characteristic odor. The average content of water-soluble compounds was within range 7.39-13.29%, ethanol-soluble 15.33-16.68%, flavonoid total 3.807-4.244%. The range of moisture content was 12.25-16.34%, ash total 1.21-2.78%, acid insoluble ash 0.19-1.62%, drying shrinkage 21.62-24.98%, specific gravity 1.0010-1.0034 g/mL for the non-specific parameter. Microbial contamination testing results 0.61x103-1.13x103 coloni/g, the contaminant testing mold/yeast 0.1x102-1.7x102 coloni/g, while lead metal 0.15-0.18 mg/kg, cadmium 0-0.11 mg/kg and arsenic <0.005µg/kg.

Isolation and Characterization Compounds From Hexane and Ethyl Acetate Fractions of Peperomia pellucida L.

Journal of Tropical Life Science Vol 5, No 3 (2015)
Publisher : Journal of Tropical Life Science

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Abstract

      Peperomia pellucida was used traditionally in Indonesia for health treatment: wounds, boils, pimples, abscesses, abdominal pain, colic, gout, kidney, rheumatic pain, fatigue headache, furuncles, conjunctivitis and anti dermatogenic and also for dengue treatment. The isolation compounds from hexane and ethyl acetate fractions of Peperomia pellucida L. are  conducted by maceration of the dry herbs sample with methanol and partition with hexane, ethyl acetate, butanol and water.The hexane and ethyl acetate fractions were fractionated by gravitation column chromatography and eluted successively with hexane, ethyl acetate and methanol by the gradient. The structure was elucidated base on spectroscopy data of NMR proton and carbon for one and two dimension, LC-MS and FT-IR. The isolation founded three compounds are stigmasterol, analogue of pheophytin and b-sitosterol-D-glucopyranoside.

Antiviral effect of Archidendron pauciflorum leaves extract to hepatitis C virus: An in vitro study in JFH-1 strain

Medical Journal of Indonesia Vol 27, No 1 (2018): March
Publisher : Faculty of Medicine Universitas Indonesia

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Abstract

Background: Hepatitis C virus (HCV) is a leading cause of chronic liver diseases. Drug resistance to the regimen is also increasing. Hence, there is a need for new anti-HCV agents that are less toxic and more efficacious. The aim of this study is to evaluate the  possibility of A. pauciflorum extracts can be a antiviral drug.Methods: Huh-7it cells were infected with the HCV genotype 2a strain JFH-I in the presence of methanol extracts of Archidenron pauciflorum. The methanol extract further partition used n-hexane, ethyl acetate, n-butanol, and water showed in which butanol extracts exerted the strongest IC50 (6.3 g/ml). Further, the butanol fraction was fractionated and yielded into 13 fractions.Results: The methanol extract of the leaves of A. pauciflorum exhibited concentration dependent inhibition against the JFH1 strain of HCV genotype 2a with an IC50 is 72.5 μg/ml. The butanol fraction exhibited the highest anti-HCV activity with an IC50 is 6.3 μg/ml. The butanol fraction was fractionated which yielded 13 fractions. Fractions 5 and 13 exhibited high anti-HCV activities with IC50 is 5.0 μg/ml and 8.5 μg/ml and a time-of-addition study demonstrated that fraction 5 inhibited viral infection at the post-entry step, whereas fraction 13 primarily inhibited the viral entry step.Conclusion: The extract A. pauciflorum can be used as a herbal-based antiviral drug.

Antiviral Effect of Pterocarpus indicus Willd Leaves Extract Against Replication of Dengue Virus (DENV) In Vitro

Journal of Tropical Life Science Vol 8, No 1 (2018)
Publisher : Journal of Tropical Life Science

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Abstract

Dengue hemorrhagic fever (DHF) is major public health problem in tropical and subtropical areas of the world with lack of approved vaccines and effective antiviral therapies. With no current treatment for illness attributed to dengue virus (DENV) infection other than supportive care, therapeutic strategies that use natural extract was developed. Indonesia have many plants that potential for antiviral drµgs such as Pterocarpus indicus Willd (P. indicus). The objective of this study was to determine the effect of P. indicus to inhibit DENV replication. We used a well-differentiated hepatocytes-derived cellular carcinoma cell line (Huh-7 it-1 cells) to determine and select antiviral activity. The toxicity effects were determined by MTT assay. Then, the suppression of DENV replication was determined by Focus assay. Dengue infected cells with DMSO were used as control. We found that crude extract (Pi), hexane (Pi.1) and ethyl acetate (Pi.2) extract showed strong inhibition with high selectivity index (SI) of 1,392; 285.36 and 168.56 respectively.  Sub fraction of Pi.1 and Pi.2 still showed strong inhibition with high SI.  Further sub-sub fraction of Pi.2 such as Pi.2.12 and Pi.2.12.1 still showed inhibition of DENV replication but there was reduction of SI value. The mechanism experiment of Pi.2.12, we found that Pi 2.12 more profound to inhibit in the post infection stage that entry or pre-infection. We conclude that the sub-fraction of Pi.2.12 has potential antiviral activity against DV infection in vitro. Further studies are still needed to investigate the pure compound of Pi.2.12 that inhibit and have advantages in the future as alternative for treatment of DENV infection.

Toxicity and Lethality Evaluations of Koordersiodendron pinnatum Leaves Methanolic Extract in DDY Mice

Journal of Tropical Life Science Vol 6, No 3 (2016)
Publisher : Journal of Tropical Life Science

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Abstract

The study of toxic features of Koordersiodendron pinnatum is vital for further studies of its pharmacological activities. Acute toxicity test was done on methanolic extracts of K. pinnatum in DDY mice. Animals were grouped into five: Group 1 was given 1 mL solution of 2.5% Tween 80 in a single oral dose; the remaining groups were orally given a single dose of 2, 4, 8 and 16 g/kg of K. pinnatum, respectively. Toxic effects of the extract were evaluated on the basis of behavioral observations in the form of locomotor activity; curiosity; defecation; urination and also animal mortality. Observations were carried out for 14 days. No significant changes on body weight, and behavioural activities were recorded. Mortality was recorded up to 2% of the male group, and no mortality within the female group. The extract is practically non toxic for both male and female (LD50>15 g/kg).

EKSTRAK TERSTANDAR SECARA KIMIA DAUN Brucea javanica Merrill

Jurnal Kimia Terapan Indonesia Vol 13, No 2 (2011)
Publisher : Research Center for Chemistry - LIPI

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Abstract

The preparation of Brucea leaves have been done for specific parameters and non specific parameter laboratory worb refers to TheNational Agency of Drug and Food Control Regulation for extract quality control. The result for specific extract parameters were the rendement of extraction is 28%, the values of water- extractive and ethanol-extractive are 11.49% and 9.41%, respectively. The result of determination of the non specific parameters of the extract are; loss on drying is 18.95%, the water content is 15.06%, the total ashes is 16.12%. and the level of ashes not dissolved in acid is 11.14%. The analysis of chemical compound shows that the extract containedflavonoid, tannin, and glycoside. For the quantitative control has been measured the level of totalflavonoid wherethe result is 9.901%Keywords : Preparation, Brucea; Specific parameter, non specificparameter, extract

ANTICANCER ACTIVITY OF ETHANOLIC EXTRACT OF Selaginella plana HIERON. ON T47D CELL LINE IN VITRO

Jurnal Kimia Terapan Indonesia Vol 13, No 2 (2011)
Publisher : Research Center for Chemistry - LIPI

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Abstract

Selaginella sp belongs to the Selaginellaceae family. It has been used in China and Indonesia as a traditional medicine. It hasseveral medicinal properties including antibacterial, anticardiovascular, and anticancer agent. The aim of the present study was to access the anticancer property of the ethanolic extracts of Selaginella plana Hieron. on T47D breast cancer cell line. The proliferation of T47D cell line was detected by SRB (Sulforhodamine B) assay which was measured at a wavelength of 515 nM. The result showed that the IC50 of the ethanolic extract was determined at 7.03 pg/mL. This significant activity was assumed due to its high total flavonoid content. The totalflavonoid content of the ethanolic extract was 23.04%. Flow cytometry analysis indicated that the extract may undergo the cell death via apoptosis pathway. In conclusion, the ethanolic extract of Selaginella plana Hieron: has considerable activity in inhibiting T47D cell line proliferation.Key words: Selaginella plana Hieron., SulforhodamineB, T47Dcells, anticancer flow cytometry

Isolation and Characterization of Compounds from the Leaves of Pterocarpus indicus Willd and Their Antioxidant Activity

ANNALES BOGORIENSES Vol 20, No 1 (2016): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

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Abstract

The flavone glycoside was isolated from ethyl acetate fraction of ethanol extract of leaves Pterocarpus indicus Willd. The isolation was conducted by gravitation column chromatography and eluted successively with hexane, ethyl acetate and methanol by gradient, and purified by sephadex-LH20. The structure was elucidated base on spectroscopy data of NMR (1D and 2D), UV, LC-MS and FT-IR. Antioxidant was evaluated using 2,2-diphenyl-1-picrylhidrazyl (DPPH) radical scavenging. The isolation and identification led a stigmasterol as Compound 1 and a new flavonol-glycoside [(2R)-7-hydroxy-3-(3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yloxy)-2-(3,4,5-trihydroxy phe nyl)chroman-4-one] or ptevon-3-D- glycoside as Compound 2. Antioxidant activity of Compound 2 showed IC50 for 18.53 mmol and blank of quercetin was 7.94 mmol and Vitamin C was 40.25 mmol. These compounds and antioxidant activities are the first time reported from this plant.