scholarly journals Formulasi dan Evaluasi Sediaan Tablet Nanopartikel Ekstrak Daun Salam (Syzygium Polyanthum) dengan Variasi Konsentrasi Na Alginat dan Avicel PH 102

2020 ◽  
Vol 17 (1) ◽  
pp. 24-30
Author(s):  
Agung Setiawan ◽  
Naelaz Zukhruf Wakhidatul Kiromah ◽  
Tri Cahyani Widiastuti
Keyword(s):  
Particle Size ◽  
Leaf Extract ◽  
Ethanol Extract ◽  
Chitosan Solution ◽  
Reduce Blood Pressure ◽  
Disintegration Time ◽  
Pressing Method ◽  
Traditional Medicines ◽  
Particle Size Analyzer ◽  
Herbal Plants

The use of traditional medicines is an alternative treatment which is considered safer in terms of side effects and toxicity. One of the herbal plants that have properties that can reduce blood pressure is bay leaf (Syzigium polyanthum) because it contains essential oils (citral, eugenol), tannin, and flavonoids. Ethanol extract of bay leaves (Syzigium polyanthum) with antihypertensive potential needs to be made into dosage forms. This study aimed to determine the optimal formula of the preparation of bay leaf (Syzigium polyanthum) nanoparticles tablet with variations in the concentration of Na alginate and Avicel PH 102. Salam leaf extract was made using maceration method using  ethanol 96%, followed by evaporation until thick extract was formed. Colloidal nanoparticles were prepared by mixing bay leaf extract into  technical ethanol 96% and aquadest, chitosan solution in acetic acid and NaTTP solution. Further, it was measured using PSA (Particle Size Analyzer) to determine the particle size. Tablets were prepared using 4 formulas with variations in the concentration of sodium alginate and avicel PH 102 using the direct pressing method. The results of this study indicate that variations in the concentration of Na alginate and Avicel PH 102 affect the physical properties of tablets. The addition of Avicel PH 102 can increase the hardness and disintegration time of the tablet. While the addition of Na alginate can increase the fragility of tablets. Based on the evaluation results, the optimum formulation of tablet formulas is formula 4.

SINTESIS DAN KARAKTERISASI NANOPARTIKEL KITOSAN – EKSTRAK KULIT BUAH MANGGIS (Garcinia Mangostana)

2013 ◽  
Vol 14 (3) ◽  
Author(s):  
Eriawan Rismana ◽  
Susi Kusumaningrum ◽  
Olivia Bunga P ◽  
Idah Rosidah ◽  
Marhamah Marhamah
Keyword(s):  
Particle Size ◽  
Sodium Tripolyphosphate ◽  
Chitosan Solution ◽  
The Other ◽  
Ionic Gelation ◽  
Garcinia Mangostana ◽  
Particle Size Analyzer ◽  
Cadmium Lead ◽  
Solvent Residue ◽  
Mold And Yeast

The chitosan – Garcinia Mangostana extract nanoparticles has been prepared by ionic gelation reaction by mixture 0.2 % chitosan solution in acetic acid with Garcinia Mangostana extract and it’s continued by reaction process with 0.1 % sodium tripolyphosphate. The particle size of material was determined by Particle Size Analyzer (PSA) that it showed in the range of 200 – 500 nm. The color, pH, water, α- mangostin, mercury, arsenic, cadmium, lead, totally microbe aerobic, totally mold and yeast, and solvent residue contents of nanoparticles were also examined by many methods that these resulted are yellow, 4.50 – 5.50, 89 – 90 %, 1.05 %, < 0.005 ppm, < 0.01 ppm, < 0.01 ppm, < 0.05 ppm, < 10 CFU/g, < 10 CFU/g and not detected, respectively. The other characterization was also observed that it’sincluded stability andTLC chromatogram. A mixture of nanoparticles with cosmetics bases was showed that it’s increased stability, homogeneity and easy to formed.

scholarly journals Formulation and evaluation of the nanosilver gel using bioreductor ethanol extract of katuk leaf (sauropus androgynus (l) merr) as antibacterial

2021 ◽  
Vol 10 (1) ◽  
pp. e2910111315
Author(s):  
. Nurfadilah ◽  
Yunahara Farida ◽  
. Faizatun
Keyword(s):  
Particle Size ◽  
Silver Nitrate ◽  
Antibacterial Agent ◽  
Leaf Extract ◽  
Synthesis Method ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Inhibitory Effect ◽  
Extract Concentration ◽  
Gel Preparation

Background: The current type of nanoparticle that attracts a lot of attention in the pharmaceutical field is Nanosilver because it can act as an antimicrobial. Objective: The aim of this study was to obtain the Nanosilver gel preparation from katuk leaf extract, which is effective as an antibacterial agent against acne. Methods: Katuk leaf extract remains as a reducing agent in the synthesis of Nanosilver using a green synthesis method. Nanosilver characterization was performed using PSA, FTIR and TEM. Results: Particle size of Nanosilver (Katuk leaf extract concentration 0.16% with a silver nitrate volume of 10 mM is 1: 9) of 164.40 nm, Nanosilver (Katuk leaf extract Concentration 0.32% with silver nitrate volume 10 mM is 1: 9) of 176.47 nm and Nanosilver (0.48% katuk leaf extract concentration with a volume of 10 mM silver nitrate of 1: 9) of 194.95 nm. Antibacterial activity using the Well method was shown that the nanosilver gel from Katuk leaf extract had an inhibitory effect on P. acnes bacteria with an inhibition zone of 26 mm  classified as very strong, and 12 mm was strongly categorized against S. aureus bacteria, namely in Formula 1. Conclusion: A variation in the concentration of katuk leaf extract influences the size of the particles formed. the Nanosilver katuk leaf extract has an antibacterial cause for acne with a very strong category.

scholarly journals EFFECT OF THE LEAF Pettiveria alliacea EXTRACT ACTIVE COMPOUND ON Mycobacterium tuberculosis

2017 ◽  
Vol 53 (2) ◽  
pp. 108 ◽  
Author(s):  
Ratna Sofaria Munir ◽  
Nurmawati Fatimah ◽  
Bambang Hermanto
Keyword(s):  
Mycobacterium Tuberculosis ◽  
Active Compound ◽  
Leaf Extract ◽  
Ethanol Extract ◽  
Colony Growth ◽  
The United States ◽  
Control Treatment ◽  
Chromatography Method ◽  
Significant Difference ◽  
Herbal Plants

Indonesia has a variety of herbal plants used as herbal/traditional medicines. Singawalang (Petiveria alliacea) is one of the herbal plants usually used in the United States as a cough medicine because of its expectorant effect. Singawalang plants are also widely used to cure tuberculosis. However, the investigations on the effects of toxicity on this plant leaf extract has not been done. This study aims to investigate the effects of active compounds in singawalang against Mycobacterium tuberculosis using a variety of solvents. The active compound of ethanol extract was obtained by maceration using ethanol solvent. The extract was then fractionated using column chromatography method, and using gradual eluent to produce fraction. The doses used were 0.5 mg/ml; 1 mg/ml; 2 mg/ml; 70% ethanol, h-hexane, benzene, chloroform, ethylacetate, silica gel 60GF254, Middlebrook 7H9, and 7H10. The reactions using Singawalang leaf extract with various solvents resulted in a reduction of the Mycobacterium tuberculosis colony growth, compared with the reaction on control treatment, treatment using DMSO 1%, and treatment using 70% ethanol. As a conclusion, the various solvents used did not make a significant difference. However, control treatment, treatment using DMSO 1%, and treatment using 70% ethanol had significant results.

scholarly journals Aqueous Behaviour of Chitosan

2010 ◽  
Vol 2010 ◽  
pp. 1-7 ◽  
Author(s):  
D. P. Chattopadhyay ◽  
Milind S. Inamdar
Keyword(s):  
Molecular Weight ◽  
Particle Size ◽  
Chitosan Solution ◽  
Capillary Viscometer ◽  
Processing Unit ◽  
Textile Processing ◽  
Molecular Weights ◽  
Unit Operations ◽  
Particle Size Analyzer ◽  
Hydrolysis Of

Chitosan, a versatile biopolymer, finds numerous applications in textile processing unit operations such as preparation, dyeing, printing, and finishing. However, the accessibility of this biopolymer by the textile material depends on the viscosity of its solution which in turn is a function of its molecular weight. In this work, therefore, the effect of molecular weight, storage life, presence of electrolyte, and particle size of chitosan on its viscosity was investigated. Chitosan of different molecular weights was synthesized by nitrous acid hydrolysis of parent chitosan solution. The synthesized low molecular weight products were analysed by FTIR spectroscopy. Chitosan of nanoconfiguration was prepared by Ionotropic gelation method and characterized by particle size analyzer. The viscosity of different chitosan solutions was determined using Ubbelohde capillary viscometer. As an extension to this study, the chelation property of chitosan was also evaluated.

scholarly journals Green Synthesis, Characterization, Antioxidant, Antibacterial and Dye Degradation of Silver Nanoparticles using Combretum indicum Leaf Extract

2021 ◽  
Vol 34 (1) ◽  
pp. 216-222
Author(s):  
Arnannit Kuyyogsuy ◽  
Paweena Porrawatkul ◽  
Rungnapa Pimsen ◽  
Prawit Nuengmatcha ◽  
Benjawan Ninwong ◽  
...  
Keyword(s):  
Particle Size ◽  
Silver Nanoparticles ◽  
Leaf Extract ◽  
Dye Degradation ◽  
Sunlight Irradiation ◽  
Particle Size Analyzer ◽  
Vis Spectroscopy ◽  
Edx Analyses ◽  
Aqueous Leaf Extract ◽  
And Staphylococcus Aureus

Silver nanoparticles were synthesized by bioreduction of silver nitrate using the aqueous leaf extract of Combretum indicum (CI-AgNPs). The synthesized CI-AgNPs exhibited a distinct absorption peak at 414 nm in UV-vis spectroscopy. Various parameters such as pH, temperature and time were optimized using spectrophotometry. The particle size of the CI-AgNPs was 48 nm as evaluated from the laser particle size analyzer. The XRD and EDX analyses confirmed the presence of silver in silver nanoparticles. Synthesized CI-AgNPs revealed significant antioxidant, antimicrobial (against Escherichia coli and Staphylococcus aureus) and photocatalytic (against methylene blue under sunlight irradiation) activities. Thus, an eco-friendly method was developed to synthesize silver nanoparticles using the C. indicum leaf extract.

scholarly journals CHARACTERIZATION OF HYDROXYPROPYL CELLULOSE PRODUCED FROM α-CELLULOSE BETUNG BAMBOO (DENDROCALAMUS ASPER) AND IT’S APPLICATION IN TABLET FORMULATION

2019 ◽  
pp. 123-129
Author(s):  
Herman Suryadi ◽  
Harmita . ◽  
Muhammad Herpi Akbar ◽  
Pingkan Lestari ◽  
Pingkan Lestari
Keyword(s):  
Particle Size ◽  
Average Particle Size ◽  
Hydroxypropyl Cellulose ◽  
Tablet Formulation ◽  
Average Weight ◽  
Average Particle ◽  
Disintegration Time ◽  
Particle Size Analyzer ◽  
Size Uniformity ◽  
Powder Characteristics

Objective: This study aimed to obtain the physicochemical properties of hydroxypropyl cellulose (HPC) powder from α-cellulose Betung bamboo and its characteristics in tablet formulation. Methods: HPC was prepared by hydroxypropylation of α-cellulose using 25% (w/v) sodium hydroxide and 10 ml propylene oxide (based on 1 g α-cellulose) at 70 °C for 3 h. HPC of Betung bamboo (HPC BB) was characterized using fourier transform infrared (FTIR) spectrometry, particle size analyzer (PSA), x-ray diffraction (XRD), scanning electron microscope (SEM) and compared to HPC grade SL (HPC SL) as the reference. Then, HPC BB was used as a binder in tablet formulation by direct compression method and the resulted tablets were evaluated. The tablets evaluation including weight and size uniformity, hardness, friability and disintegration time. Results: The results showed HPC BB powder was yellowish white, odorless and tasteless, pH 7.49, residue on ignition 0.68%, hydroxypropoxy groups content 54.75%, average particle size 37.39 μm, loss on drying 1.09%, and moisture content 3.34%. Flow properties of powder fulfilled the requirements based on literature. Infrared spectrum and diffraction pattern of HPC BB were relatively similar to HPC SL. The tablets have average weight 403.495 mg, diameter 12.16 mm, thickness 3.11 mm, hardness 4.11 KPa, friability 2.04% and disintegration time 24.88 s. Conclusion: Based on the comparison of powder characteristics and tablets evaluation, HPC BB has a great potential in tablet formulation which showed similar characteristics to reference.

PENGARUH PROSES MASERASI DENGAN VARIASI KONSENTRASI PELARUT ETANOL TERHADAP KANDUNGAN SENYAWA EKSTRAK DAUN PEPAYA (Carica papaya L.) DAN DAUN UBI JALAR UNGU (Ipomoea batatas L. Lam)

2020 ◽  
Vol 6 (2) ◽  
pp. 252
Author(s):  
Herman Irawan ◽  
Sevty Syera ◽  
Nurlaili Ekawati ◽  
Djadjat Tisnadjaja
Keyword(s):  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Leaf Extract ◽  
Carica Papaya ◽  
Ethanol Extract ◽  
Hemorrhagic Fever ◽  
Total Phenol ◽  
Traditional Medicines ◽  
Purple Sweet Potato ◽  
Sweet Potato Leaves

Papaya (Carica papaya L.) and purple sweet potato (Ipomoea batatas L. Lam) are commonly used empirically as traditional medicines, including for malaria, malnutrition, fever and hemorrhagic fever. The purpose of this study was to determine the effect of differences in the concentration of ethanol solvents on the chromatogram profile and compound content. The research method began with maceration using 50%, 70%, and 96% ethanol, then thin layer chromatography test, and determination of total phenol and flavonoid levels with Elisa at λ of 750 nm and 415 nm, where the comparator used were gallic acid and quercetin . The results of total phenol levels obtained in papaya leaf extract were 3,493 mg GAE/gram and in sweet potato leaves the results were 4,786 mgGAE/mg. While the total flavonoid yield obtained from papaya leaf extract was obtained as much as 4,630 mg QE/gram and on sweetpotato which was 4,269 mgQE/mg. Characterisation of extract compound content was carried ouy by using Gas Chromatography- Mass Spectroscopy (GC-MS), where comparison of extracts used in extract combination samples are 50:50, 75:25, and 25:75. The results showed that ethanol extract contained alkaloids, flavonoids, saponins, tannins, and triterpenoids. Characterization by using GC-MS for single extract and combination extract of papaya leaves and purple sweet potato leaves obtained the main active compounds are Phytol, Neoheptadine, and n-Hexadecanoic acid.

scholarly journals Physical Interaction Of Chitosan-Alginate Entrapping Extract Of Papaya Leaf And Formation Of Submicron Particles Dosage Form

2019 ◽  
Vol 4 (3) ◽  
pp. 64
Author(s):  
Budi Untari ◽  
Dina Permata Wijaya ◽  
Mardiyanto Mardiyanto ◽  
Herlina Herlina ◽  
Via Angraeni ◽  
...  
Keyword(s):  
Particle Size ◽  
Sodium Alginate ◽  
Leaf Extract ◽  
Dosage Form ◽  
Submicron Particles ◽  
Wave Number ◽  
Hydroxyl Group ◽  
Physical Interaction ◽  
Particle Size Analyzer ◽  
Optimum Formula

Research on physical interaction of chitosan-alginate entrapping extract of papaya leaf (Carica papaya L) into submicron particles formation has been performed. Preparation of papaya leaf extract into submicron particle dosage form of chitosan and sodium alginate polymer using ionic gelation method aimed to increase the solubility of extract. Submicron particles consisting of papaya leaf extract, chitosan, sodium alginate and CaCl2 were combined using variation of stirrer speed of 500, 750, and 1000 RPM. The optimum formula obtained has a speed of 1000 RPM with the percent EE value of 71.90%. The results of submicron particles characterization such as diameter and particle size distribution (PDI) using particle size analyzer (PSA) tools were 189.2 nm and 0.330. The results of XRD revealed the changes of type of crystalinity form to amorphous on submicron particles. The results of FTIR revealed the physical interaction without shifting of wave number of carbonyl, amine, and hydroxyl group which indicated that there were no chemical interactions occurred. These data indicated that papaya extract can be formulated into submicron particles of chitosan-alginate polymer.

scholarly journals EFFECTS OF GELATIN AND GLUTARALDEHYDE CONCENTRATIONS ON CHARACTERISTICS OF CANTIGI (Vaccinium Varingiaefolium Miq.) EXTRACT LOADED GELATIN NANOPARTICLES AS ANTIOXIDANT

2021 ◽  
Vol 4 (1) ◽  
pp. 1
Author(s):  
Kosasih Kosasih ◽  
Wahono Sumaryono ◽  
Diky Mudhakir ◽  
Agus Supriyono ◽  
Yulius Evan Christian ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Particle Size ◽  
Zeta Potential ◽  
Leaf Extract ◽  
Antioxidant Activities ◽  
Ethanol Extract ◽  
Particle Sizes ◽  
Endemic Plant ◽  
Gelatin Nanoparticles ◽  
Nanoparticle Morphology

Cantigi is an endemic plant of sub-alpine area of Mount Tangkuban Parahu in Bandung, Indonesia. Previous study showed ethanol extract of young red leaves had antioxidant activity, however no information on this activity if changed into nanoparticles. The purpose of this study was to determine the effects of gelatin and glutaraldehyde concentrations on the characteristics of Cantigi extract loaded gelatin nanoparticles and to evaluate the antioxidant activity of nanoparticles. Cantigi leaves were extracted by maceration using n-hexane, ethyl acetate, and ethanol 96%. The ethanol extract was dried, made into nanoparticles by varying gelatin (0.1; 0.2; and 0.3 g) and glutaraldehyde (0.1; 0.2; and 0.3 mL) amounts, and conducted at 500 rpm and 40 °C for 3 hours. Nanoparticles were evaluated for particle size, zeta potential, morphology, and antioxidant activity. Nanoparticles with glutaraldehyde amount variation had particle sizes (PS) of 105.9±26.2; 37.1±8.7; and 32.5±7.4 nm; polydispersity indeces (PI) of 0.508; 0.717; and 0.563; zeta potential values (ZPV) of 0.55; 0.89; and 0.78 mV; and antioxidant activities (IC50) of 56.15±0.16; 53.67±0.10; and 51.57±0.39 ppm, respectively. Then, nanoparticles with gelatin amounts variation had PS of 22.5±5.1; 37.1±8.7; and 83.3±21 nm; PI of 0.604; 0.717; 0.326; ZPV of 1.27; 0.89; 0.18 mV; and antioxidant activities of 51.58±0.19; 53.67±0.12; and 55.46±0.04 ppm, respectively. Nanoparticle morphology was spherical. Cantigi leaf extract can be made into gelatin nanoparticles; the smaller the concentration of the polymer used and higher the concentration of the glutaraldehyde, the smaller the resulted particle size and increased antioxidant activity. Antioxidant activities of nanoparticles was lower than those of the extract (IC50 16.84±0.30 ppm).

scholarly journals Sintesis Nanopartikel Perak Menggunakan Ekstrak Daun Salam (Syzygium polyanthum) Sebagai Bioreduktor Dan Uji Aktivitasnya Sebagai Antioksidan

2019 ◽  
Vol 7 (1) ◽  
pp. 51-60
Author(s):  
Paulina Taba ◽  
Nadya Yuli Parmitha ◽  
Syahruddin Kasim
Keyword(s):  
Particle Size ◽  
Silver Nanoparticles ◽  
Leaf Extract ◽  
Average Particle Size ◽  
Average Diameter ◽  
Average Particle ◽  
X Ray ◽  
Synthesis Of Nanoparticles ◽  
Particle Size Analyzer ◽  
Ic50 Value

Silver nanoparticles have been synthesized by the reduction method using salam leaf extract (Syzygium polyanthum) as a reducing agent. The silver nanoparticles produced were then tested for their activity as antioxidants. The formation of silver nanoparticles was carried out by adding the leaf extract into the solution of AgNO3 and homogenized using a magnetic stirrer. A UV-Vis spectrophotometer was used to confirm the formation of silver nanoparticles. Particle Size Analyzer (PSA), Scanning Electron Microscope (SEM), X-Ray Diffractometer (XRD) and Fourir Transform Infra Red (FTIR) spectrometers were used to characterize the nanoparticles produced before being tested for antioxidant activity. The results showed that the absorbance value increased with increasing reaction contact time. The maximum uptake was obtained at wavelengths of 432-446 nm using a UV-Vis spectrophotometer. The particle size was determined using a PSA with an average particle size distribution of 45.7 nm. The average diameter of silver nanoparticles was 10.06 – 13.97 nm and the silver nanoparticles had rod-shapes. Functional groups that play a role in the synthesis of nanoparticles were –OH, –C=O, and –C-O groups. Silver nanoparticles inhibited free radicals as antioxidants with the IC50 value of 582.7 ppm.

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