Teuku Nanda Saifullah Sulaiman

• Universitas Gadjah Mada

ABSTRAK Kulit buah naga merah banyak mengandung senyawa flavonoid yang berpotensi menjadi tabir surya. Penggunaan teknologi nanopartikel dalam sediaan tabir surya memiliki keunggulan dalam meningkatkan aktivasi, surface area, serta difusivitas yang lebih baik dalam melindungi kulit. Tujuan penelitian ini untuk mengidentifikasi sifat fisik dan menge...

Antiaging cosmetics are becoming increasingly popular among the general public. Melon (Cucumis melo L.) Gama Melon Parfum cultivars ('GMP') are one of the plants that can be utilized as a basic ingredient in the production of antiaging cosmetics. 'GMP' melon has cucurbitacin compounds that can be utilized as antiaging and contains flavonoid, saponi...

Kosmetika bahan alam saat ini menjadi penggunaan yang sangat esensial misalnya penggunaan Gama Melon Parfum sebagai bahan baku pembuatan gel, karena penggunaan tumbuhan sebagai bahan dasar kosmetika memiliki bahan baku yang aman untuk digunakan dan memiliki efek samping yang lebih kecil. Gama Melon Parfum merupakan melon yang saat ini dikembangkan...

Invensi ini mengenai formulasi beads ketokonazol dalam matriks alginat dan pektin, lebih khusus lagi, invensi ini berhubungan metode pembuatan beads ketokonazol dalam matriks alginat dan pektin menggunakan CaCl2 sebagai agen cross-linker dengan metode gelasi ionik yang bertujuan untuk meningkatkan kelarutan ketokonazol.

Background and purporse The combination of alginate and gum acacia in previous studies showed good results in inhibiting ketoconazole precipitation due to the supersaturation phenomenon. Ketoconazole-loaded alginate and gum acacia can produce hydrogel beads through cross-linking with Ca²⁺ using ionotropic gelation techniques. However, the pharmacok...

Ketoconazole has low solubility in intestinal pH, whereas drug absorption is largest in the small intestine, which can reduce the bioavailability of the drug. Alginate can be combined with a suitable polymer and cross-linked with divalent ions and another polymer to enhance the solubility of the drug. Ketoconazole could be loaded into a matrix poly...

The application of microsphere systems in drug preparations has seen a significant increase in recent years for various purposes. Microsphere systems can be utilized in a range of drug preparations, utilizing polymer types that are appropriate for the intended release target. Microspheres offer numerous benefits and can be used in various applicati...

Weak base drugs tend to precipitate in the intestine, leading to a decrease in their bioavailability. Precipitation initiates with supersaturation due to a pH shift from the stomach to the small intestine. Using natural polymers as precipitation inhibitors is still limited and has not yielded optimal results. This study aims to determine the potent...

Nano-perfume is an alcohol-free perfume in the form of oil-in-water nanoemulsions containing fragrance. Due to its favorable properties, nano-perfume may appeal to a broader client base, including children and individuals with sensitive skin. This technology can provide an alternative solution to the low permanence of fragrances by eliminating etha...

Sengon wood sawdust (SWS) is a solid waste of the wood industry with the potential as a source of cellulose and can increase its economic value. However, cellulose in plants is tightly bound to lignin which is called lignocellulose therefore needs to be delignified before utilization. In this study, we determined the optimum conditions for delignif...

The drug delivery system in breast cancer therapy with the thermosensitive hydrogel method developed significantly due to the influence of the availability of various polymers which have characteristics that are affected by changes in temperature. Drug release from thermosensitive gel preparations has advantages over traditional intravenous drug re...

Indonesia memiliki beragam tumbuhan yang kaya akan manfaat salah satunya sebagai bahan dalam industri kosmetik. Bahan alami dipilih karena memiliki keuntungan yang ramah lingkungan dan rendah iritasi. Salah satu bahan alami yang saat ini sedang dikembangkan untuk dijadikan sebagai bahan kosmetik adalah dengan menggunakan ekstrak melon kultivar Gama...

Ketoconazole is an imidazole broad-spectrum antifungal agent used for systemic and local infections. The pharmacokinetic information for ketoconazole is relatively limited. The validated method for determining ketoconazole in plasma rabbit is not yet reported. The HPLC-UV method is simple, rapid, cost-effective, sensitive, and only requires a small...

This study optimized ultrasound-assisted extraction conditions to maximize the extraction yield, total flavonoid content (TFC), total phenolic content (TPC), and DPP IV enzyme inhibitory activity from Moringa oleifera. The four UAE factors, solvent ratio (A), solvent–solid ratio (B), extraction temperature (C), and extraction time (D), were optimiz...

Alginate is one of the natural biopolymers that is widely used for drug formulations, combination of alginate with other polymers, such as gum acacia, pectin, and carrageenan can increase mechanical strength, therefore, can reduce leakage of the encapsulated active pharmaceutical ingredient from the polymer matrix. Interaction of alginate and these...

In order to use starch as a filler-binder, the pregelatinization method by extrusion can enhance the flow characteristics and compressibility of starch. This study aimed to find the optimum process parameter for producing partially pregelatinized cassava starch (PPCS) using twin screw extrusion and characterizing it as a filler-binder excipient. Fo...

Ketoconazole is a weakly basic drug that has lower solubility at higher pH. Determination of solubility of ketoconazole in the base solution is not easy due to the poor solubility. The simple, low cost, efficient, accurate spectrophotometry methods in UV/VIS region have been developed for the determination of ketoconazole. The wavelengths were sele...

Objectives: effects of konjac glucomannan (KGM) in adults with schizophrenia. Method post feasibility trial with 20 participants with elevated blood glucose, blood pressure, and triglycerides. Intervention konjac glucomannan for 1 to 1.5 h, 1 tablet times every day for 4 weeks, and were encouraged to practise the exercises at home. Main Outcome Mea...

Objectives: effects of konjac glucomannan (KGM) in adults with schizophrenia. Method post feasibility trial with 20 participants with elevated blood glucose, blood pressure, and triglycerides. Intervention konjac glucomannan for 1 to 1.5 h, 1 tablet times every day for 4 weeks, and were encouraged to practise the exercises at home. Main Outcome Mea...

Coffee bean contains bioactive compounds including caffeine and chlorogenic acid (CGA) that have a stimulant effect and are used for combating fatigue and drowsiness, and enhancing alertness. However, when the coffee bean was processed in the form of green coffee bean (GCB) extract, it has an unpleasant flavour and limitations instability, activity...

Starches are biodegradable and relatively inexpensive natural biopolymers which are widely used in the food and pharmaceutical industries. Sago starch is one of the starches which can be potentially used as the excipient in pharmaceutical formulation. The purpose of this study was to modify and to characterize the physical and chemical properties o...

Context: Compounding sterile preparations in hospitals requires special attention because the process is more complex. Errors that occur when compounding sterile preparations can cause contamination of the prepared preparations. Aims: To evaluate the compounding of sterile preparations in a referral hospital. Methods: This research was conducted by...

Precipitation due to supersaturation phenomenon and intraluminal solubilization behavior is mainly faced on reducing bioavailability, particularly for weak base drugs. Incomplete and extend of absorption can be avoided by modification of drug-excipient interaction namely polymers. This interaction is proposed to stabilize the amorphous form of drug...

Objective: This study aims to increase the solubility of simvastatin (SIM), a hydrophobic drug, by incorporating it into PCL-PEG-PCL triblock copolymer micelles and validating the assay method used, namely Uv-Vis spectrophotometric. Methods: The shake flask method was used to determine the increase in solubility experienced by SIM after being incor...

The solubility of ketoconazole is highly dependent on the pH of the medium. Solubility is an important physicochemical parameter needed to consider and predict to obtain the drug behavior in a physiological environment. Determination of solubility of ketoconazole in pH of intestine fluid (6-7.4) is not easy due to ketoconazole poor soluble in intes...

Pengetahuan tentang sinergisme bermanfaat untuk menentukan kombinasi polimer alami yang memberikan efek menguntungkan ketika dikombinasikan. Interaksi yang saling menguntungkan antar polimer alami dapat dilihat dari nilai sinergisitas dari data pengujian viskositas. Kombinasi polimer yang memiliki efek sinergi dapat memberikan banyak kegunaan serta...

Introduction: in Indonesia, intravenous admixtures are a common problem in hospitals. The incidence of microbial contamination in hospitals is still increasing every year. As such, knowledge of compounding personnel about intravenous admixtures is crucial in determining product quality. This study aims to assess the compounding personnel´s knowled...

Standardisasi merupakan suatu upaya untuk menjaga kualitas bahan baku yang berasal dari tanaman. Standardisasi meliputi parameter spesifik dan non spesifik. Kubebin merupakan senyawa utama yang terkandung di dalam buah kemukus ( Piper cubeba Lf.). Senyawa ini bisa digunakan sebagai marker untuk mengendalikan kualitas kemukus. Perbedaan tempat tumbu...

Coffee contains caffeine and chlorogenic acid (CGA) as the main constituent benefiting human health. Extract of green coffee beans (GCB) has some limitations in terms of its unpleasant flavour, aroma, and phytoconstituents bioactivity. This study aimed to encapsulate the crude ethyl acetate (EtOAc) extracts of Gayo Robusta GCB (Coffea canephora) to...

Insulin is a macromolecular polypeptide hormone with low drug stability and permeability along the digestive tract. The nanoparticle delivery system has been proven to be able to increase the bioavailability of per-oral insulin. However, the formulation of insulin nanoparticles using chitosan and pectin polymers has not been widely studied. The pur...

Hidroklorotiazid (HCT) merupakan obat lini pertama untuk penanganan hipertensi. HCT memiliki kelemahan terkait bioavailabilitasnya yang rendah dan umumnya tersedia dalam bentuk sediaan tablet konvensional sehingga dapat menimbulkan masalah tersendiri bagi pasien yang tidak mampu menelan tablet. Fast disintegrating tablet (FDT) HCT merupakan tablet...

Background: Marketed drugs must meet the required standards to guarantee product quality. Amoxicillin is a generic compound marketed under various trademarks as copy drugs. Amoxicillin caplets are an immediate release dosage form of BCS class I. An essential aspect of evaluating copy drugs is to assess the equivalence for their treatment to the inn...

The impact of precipitation can affect the amount of drug absorbed, thereby affecting the amount of drug in the systemic body. The precipitation process is preceded by a supersaturation phase, caused by decreased drug solubility in the gastrointestinal tract. This precipitation occurs for weak base drugs with low solubility. When the drug entering...

Tablet merupakan salah satu bentuk sediaan farmasi yang sangat popular. Sediaan tablet dapat dibuat dengan berbagai cara, diantaranya dengan metode kempa langsung, granulasi basah, granulasi kering, fast melt granulation, dan foam granulation. Masing-masing metode tersebut memiliki kelebihan dan kelemahan. Metode kempa langsung memiliki kelebihan p...

Indonesia merupakan negara tropis dengan intensitas sinar matahari yang tinggi sehingga hal ini dapat memberikan dampak negatif terhadap kulit manusia. Untuk mencegah kerusakan akibat dari cahaya matahari diperlukan suatu bahan yang bersifat fotoprotektor dengan mekanisme kerja menyerap atau menghalangi cahaya matahari masuk ke kulit. Flavonoid eks...

Ketoprofen has low solubility in water with unpleasant taste. Efforts to improve solubility and taste are by forming inclusion complexes using β-cyclodextrin. In its development to release Ketoprofen quickly, fast disintegrating tablets (FDT) were prepared. The speed of drug release is influenced by the speed of disintegration tablets. The combinat...

Objective: This study aims to synthesize, characterize, and optimize biodegradable polycaprolactone-polyethylene glycol-polycaprolactone (PCL-PEG-PCL) triblock copolimeric micelles as a nanocarrier for hydrophobic drug solubility enhancer of ketoprofen (K). Methods: PCL-PEG-PCL (PCEC) triblock copolymers was obtained from the synthesis of ɛ-caprola...

The aim of this research was to assess the effect of polymer blend and effervescent components on the floating and swelling behaviors of swellable gastro-floating formulation as well as the drug release through a compartmental modeling analysis. Swellable gastro-floating formulation of freely water-soluble drug, metformin HCl as a drug model, was...

Objective: Water extract of temulawak (Curcuma xanthorrhizaRoxb.) contains curcumin, which known has antibacterial, antiinflammation, and antifungal activity so that it has potential used as wound healing. The purpose of this study was formulating gel of water extract of temulawak made by variation of hydroxypropyl methylcellulose (HPMC) and tween...

Objective: Triblock copolymer of poly(ethylene glycol)-poly(ɛ-caprolactone)-poly(ethylene glycol) (PEG-PCL-PEG, PECE) was applicated as hydrophobic drug. This study aims to optimization and characterization of PECE triblock copolymer as carriers of hydrophobic drug (ketoprofen). Methods: Triblock copolymer of PECE was prepared with varying composit...

Objective: This study aims to optimize PCL-PEG-PCL (PCEC) triblock copolymer micelles as a hydrophobic drug carrier, simvastatin (SV). Methods: PCEC triblock copolymer was prepared by the ring-opening polymerization method (ROP) with different ɛCL/PEG ratio (2 and 5). SV was incorporated into the PCEC triblock copolymer micelles with a concentratio...

Famotidin adalah obat antihistamin H2 yang digunakan dalam pengobatan penyakit tukak lambung (peptic ulcer), tukak duodenal, ataupun keadaan hipersekresi yang patologis. Tablet floating famotidin dapat meningkatkan bioavailabilitas dengan mempertahankan waktu tinggal tablet dalam lambung dan mendekatkan famotidin pada tempat absorpsinya pada lambun...

Meloksikam termasuk dalam Biopharmaceutics Classification System (BCS) kelas II, memiliki kelarutan rendah dan permeabilitas tinggi. Teknik likuisolid merupakan metode yang dapat meningkatkan kelarutan dan disolusi sediaan. Penelitian ini bertujuan untuk mendapatkan formula optimum sediaan tablet likuisolid meloksikam menggunakan PEG 400 sebagai pe...

Undesired-burst release effect is observed in a freely water-soluble drug formulated into a gastro-floating formulation with effervescent (GFFE) delivery system. In order to address this limitation, interpolymer complex (IPC) of two swellable and non-soluble polymers, poly-ammonium methacrylate and poly-vinyl acetate, was incorporated into hydroxyp...

Purposed: To assess the effect of the lactic acid (LA)-to-glycolic acid (GA) molar ratio and polyethylene glycol (PEG) concentration on the formation of poly-lactide co-glycolide acid (PLGA)-PEGPLGA co-block polymers simultaneously using statistical approach. Methods: A 22 full factorial design with the addition of a point in the center of the desi...

Amilum banyak digunakan sebagai eksipien dalam formulasi farmasi, salah satunya karena dapat dicampur dengan obat apapun dan bersifat inert tanpa menimbulkan reaksi kimia. Penelitian ini bertujuan untuk mengetahui pengaruh metode preparasi amilum singkong (Manihot esculenta, Crantz) native dan pregelatinized yang digunakan sebagai pengikat terhadap...

A novel of polymer combination promotes an increase of the ability for controlling the drug release. The objective of this research was to characterize the inter-polymer complexes (IPCs) of Eudragit (Eud) types (Eud RS, Eud L, or Eud E) and Kollidon SR (KSR), and elucidate their effects on the drug release kinetics and mechanism. Different preparat...

Objective: The main objective of this study was to optimize the noneffervescent floating mini tablets (NEFT) formula of ranitidine hydrochloride (ranitidine HCl) using the simplex lattice design (SLD) with parameters, granule flow rate, hardness, friability, floating lag time and ranitidine HCl dissolution test (%). Methods: The material was prepar...

Minyak atsiri sereh (Cymbopogon citratus) terbukti memiliki khasiat sebagai antibakteri terhadap bakteri patogen, seperti Staphylococcus aureus. Minyak atsiri dari sereh diformulasikan dalam bentuk sediaan gel dengan kombinasi basis HPMC dan karbopol. Penggunaan kombinasi ini diketahui akan menghasilkan gel dengan sifat fisik yang lebih baik daripa...

Daun sirih (Piper betle L.) mengandung minyak atsiri yang memiliki aktivitas antibakteri. Penelitian ini bertujuan untuk mengetahui pengaruh variasi CMC-Na dan karbopol sebagai polimer mukoadhesif terhadap sifat fisik patch bukal minyak atsiri daun sirih dan uji aktivitas penghambatan bakteri Streptococcus mutans. Minyak atsiri diekstraksi dengan m...

Starch is widely used as an excipient in pharmaceutical formulations because it is inert and it can be mixed with drugs without any chemical reactions. This study was aimed to develop and to characterize the physical and chemical properties of cassava starch fully pregelatinized (CSFP) and native cassava starch (Manihot esculenta Crantz) (NCS). Org...

Pacing (Costus speciosus) is an herbaceous plant that is native to Indonesia and it can be used as a male contraceptive due to spermatogenesis inhibition. The purpose of this study is to find out the composition of optimum Avicel PH 200® as the filler-binder and amylum as the disintegration agent and to find out the variations on physical propertie...

Development of meloxicam (MLX) oral dosage form has its own problem due to it’s poor water solubility and bitter taste. Several techniques have been used to improve the solubility and to mask the bitter taste of MLX, mainly by its complexation with cyclodextrins. The objective of the present work is to enhance the solubility of MLX and to prepare a...

The aim of this study was to optimize and formulate orally disintegrating tablet of meloxicam (MLX) after its complexation with β-cyclodextrin and to investigate the effect of combination of croscarmellose sodium and crospovidone as superdisintegrants with microcrystalline cellulose as filler-binder on physical properties of tablet and dissolution...

This research purposed to optimize, investigate and evaluate the influence of xanthan gum, sodium bicarbonate-citric acid as effervescent components and hardness on floatation behavior and drug release of gastro-floating captopril tablet with floating system. A 23 full factorial design (8 runs) was applied to optimize the floating captopril tablet...