scholarly journals DESIGN AND DEVELOPMENT OF NOVEL DRUG DELIVERY SYSTEM USING HERBAL MEDICINE TO TREAT ALZHEIMER’S DISEASE

2019 ◽  
pp. 202-210
Author(s):  
RAMA RAO NADENDLA ◽  
LAKSHMI SWAPNA SAI ◽  
NIHITHA SANKA ◽  
SANTHI PRIYA NAGAM
Keyword(s):  
Particle Size ◽  
Spray Drying ◽  
Herbal Extracts ◽  
Natural Polymer ◽  
Herbal Formulation ◽  
Behavioral Studies ◽  
Ft Ir ◽  
Novel Drug Delivery System ◽  
Novel Drug ◽  
Spray Dried

Objective: The present study was focused to design an herbal formulation for the treatment of Alzheimer’s disease (AD) to develop the formulation using various techniques such as spray drying, centrifugation, and lyophilization and to conduct behavioral studies to evaluate the activity of the herbal formulation. Methods: Formulation contains herbal extracts such as curcumin, guggul, and ashwagandha. To develop this formulation, various techniques such as spray drying, centrifugation, and lyophilization were employed along with a natural polymer chitosan in various combinations of excipient. Preformulation studies such as solubility of herbal extracts and Fourier transmission infrared spectroscopy (FT-IR) studies for compatibility of the natural polymer with herbal extracts were studied. The formulation was characterized by tests such as particle size determination using optical microscopy, surface morphological evaluation using scanning electron microscopy (SEM), and behavioral testing by Morris water maze test using diazepam-induced amnesia method. Results: The particle size varied from 12.27 μ for normal chitosan to 3.59 μ for spray-dried chitosan. In the same way, the particle of normal formulation (12.9 μ) was about 4–5 times larger than that of spray-dried formulation (2.7 μ). The SEM images showed no proper morphology for chitosan, round surface with wrinkles for spray-dried chitosan, improper structures for normal formulation, and rounded smooth surface for spray-dried formulation. Significant p value was shown when the spray-dried test formulation was tested using diazepam-induced amnesia method. The transfer latency was noted on the 8th day and after 24 h of intraperitoneal administration of diazepam for the test group. Conclusion: In the present research study, an attempt was made to design and develop a novel drug delivery system using herbal medicine to treat AD. FT-IR compatibility study was carried out using the selected polymer and the herbal extracts using novel spray-drying techniques; behavioral studies were also done.

Synthesis and Characterization of an Alendronate-Chitosan Conjugate

2011 ◽  
Vol 140 ◽  
pp. 53-57 ◽  
Author(s):  
Xiao Hong Shao ◽  
Ji Qing Xu ◽  
Yan Peng Jiao ◽  
Chang Ren Zhou
Keyword(s):  
Drug Delivery ◽  
Drug Delivery System ◽  
Synthesis And Characterization ◽  
Hydroxyl Groups ◽  
Amino Groups ◽  
H Nmr ◽  
Ft Ir ◽  
Novel Drug Delivery System ◽  
Novel Drug

The biomineral-binding alendronate-chitosan conjugate (Scheme 1) was developed as a novel drug delivery system. Alendronate was conjugated to the hydroxyl groups of chitosan, thereby maintaining the amino groups of chitosan intact. By means of FT-IR and 1H NMR, the characterization was conducted to confirm the successful synthesis of alendronate-chitosan conjugate.

Synthesis of Nd2Fe14B powders by spray-drying and reduction–diffusion processes

2001 ◽  
Vol 16 (4) ◽  
pp. 1083-1089 ◽  
Author(s):  
X. L. Dong ◽  
B. K. Kim ◽  
C. J. Choi ◽  
K. S. Park ◽  
Z. D. Zhang
Keyword(s):  
Particle Size ◽  
Thermal Properties ◽  
Spray Drying ◽  
Process Parameters ◽  
Diffusion Processes ◽  
Liquid Solution ◽  
Metal Salts ◽  
Mechanochemical Method ◽  
Precursor Powders ◽  
Spray Dried

The magnetic Nd–Fe–B powders were prepared by a mechanochemical method, including the processes of spray drying, debinding, milling, H2 reduction, Ca reduction, and washing. The liquid solution dissolved with various metal salts was first spray-dried to prepare the precursor powders having uniformly dispersed Nd, Fe, and B components. The precursor powders in turn were subjected to the subsequent processes. The particle size of the resultant Nd–Fe–B powders was about 1 μm. Effects of the process parameters on phases, morphologies, microstructures, compositions, and thermal properties of the powders were investigated.

scholarly journals Preparation and Properties of Ginger Essential Oil β-Cyclodextrin/Chitosan Inclusion Complexes

Coatings ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 305 ◽  
Author(s):  
Yan Zhang ◽  
Hui Zhang ◽  
Fang Wang ◽  
Li-Xia Wang
Keyword(s):  
Particle Size ◽  
Essential Oil ◽  
Spray Drying ◽  
Small Particle Size ◽  
X Ray Diffraction ◽  
Scanning Calorimetry ◽  
X Ray ◽  
Ft Ir ◽  
Thermal Stability Of ◽  
Scanning Electron

The ginger essential oil/β-cyclodextrin (GEO/β-CD) composite, ginger essential oil/β-cyclodextrin/chitosan (GEO/β-CD/CTS) particles and ginger essential oil/β-cyclodextrin/chitosan (GEO/β-CD/CTS) microsphere were prepared with the methods of inclusion, ionic gelation and spray drying. Their properties were studied by using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermo-gravimetry analysis (TGA), Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD). The results showed that the particle size of GEO/β-CD composite was smaller than that of β-CD and GEO/β-CD/CTS particles were loose and porous, while the microsphere obtained by spray drying had certain cohesiveness and small particle size. Besides, results also indicated that β-CD/CTS could modify properties and improve the thermal stability of GEO, which would improve its application value in food and medical industries.

scholarly journals Ultrasonic atomizing-assisted spray drying: Effect on the quality of skimmed milk powders

2018 ◽  
Author(s):  
Yuchuan Wang ◽  
Ying Cui ◽  
Bo Wang ◽  
Min Zhang
Keyword(s):  
Particle Size ◽  
Spray Drying ◽  
Milk Powder ◽  
High Quality ◽  
Ultrasonic Atomization ◽  
Atomization Spray ◽  
L Value ◽  
Skimmed Milk ◽  
Spray Dried

Skimmed milk powders (SMP) were produced by ultrasonic atomizing-assisted spray drying (UASD). It was found that UASD can produce high quality SMP (with < 5% moisture content and < 2% insolubility) at lower inlet temperatures (~130℃). The particle size of the UASD-SMP was 10 times smaller (decreased from ~20 µm to 4 µm) than the tranditionally spray-dried SMP and the color appeal of UASD-SMP was also better (L* value increased by > 6 %). Overall, this research shown that UASD can be used to produce small particle size and high quality SMP. Keywords: Skimmed milk powder; ultrasonic atomization; spray dryer; particle size distribution; color  

Formulation and Evaluation of Gastroretentive Nanoparticles of Repaglinide

2014 ◽  
Vol 7 (1) ◽  
pp. 2363-2370
Author(s):  
P M Jamkar ◽  
K N Gujar ◽  
S B Nemmaniwar ◽  
N B Kulkarni
Keyword(s):  
Particle Size ◽  
Drug Release ◽  
Sodium Alginate ◽  
Encapsulation Efficiency ◽  
Research Work ◽  
Crosslinking Agent ◽  
Controlled Drug Release ◽  
Dsc Studies ◽  
Ft Ir ◽  
Novel Drug

Controlled drug release system is one of the most favourable technique of novel drug delivery system owing to its reproducibility and ease of formulation. Nanotechnology is very useful for controlling the drug release and thus improving the pharmacokinetic and pharmacodynamic properties of the drug. The technique improves patient compliance by reducing both dose and the frequency of administration and thus minimizing the local as well as systemic toxic effects. The aim of the present research work was to formulate and evaluate gastroretentive nanoparticles of Repaglinide, an anti-diabetic drug by using the ionotropic gelation method. Repaglinide has a very short half-life of 1 hour with bioavailability 56%. Sustained release mucoadhesive nanoparticles of Repaglinide were prepared to increase the drug residence time in gastrointestinal tract and thus improving the bioavailability of drug. The mucoadhesive nanoparticles were prepared by using chitosan and sodium alginate as polymers; calcium chloride as the crosslinking agent. Different formulations were prepared with varying concentrations of chitosan and sodium alginate in order to achieve the optimum particle size and maximum encapsulation efficiency. The particle size of nanoparticles was found to be in the range of 300 nm to 756 nm. Drug encapsulation efficiency ranged between 56% to 80% with controlled drug release upto 88% in phosphate buffer pH 7.4 and 75% drug release in 0.1N HCl in 12 hrs. FT-IR and DSC studies showed that the drug and polymers were compatible. The results of swelling study and bioadhesive strength indicated that optimized formulation exhibited excellent mucoadhesive properties

Effect of Formulations and Spray Drying Process Conditions on Physical Properties of Resveratrol Spray-Dried Emulsions

2019 ◽  
Vol 819 ◽  
pp. 246-251
Author(s):  
Pontip Benjasirimongkol ◽  
Suchada Piriyaprasarth ◽  
Pornsak Sriamornsak
Keyword(s):  
Particle Size ◽  
Moisture Content ◽  
Physical Properties ◽  
Spray Drying ◽  
Feed Rate ◽  
Water Soluble ◽  
Process Conditions ◽  
Box Behnken Design ◽  
Drying Conditions ◽  
Spray Dried

Spray-dried emulsion is one of the useful strategies to enhance dissolution properties of poorly water-soluble drug for example resveratrol. Physical properties i.e. particle size and moisture content of spray-dried emulsions could affect their quality attributes. In this study, Box-Behnken design was performed in order to determine effect of formulation and spray drying condition parameters i.e. feed rate on responses including particle size and moisture content of resveratrol spray-dried emulsions. The spray-dried emulsions were prepared by varying content of low-methoxyl pectin (LMP) and caprylic/capric glycerides (CCG) and sprayed at different feed rate. Box-Behnken design results reveled that the particle size of spray-dried emulsions was significantly influenced by the content of LMP, interactions between LMP and CCG, interactions between LMP and feed rate. LMP content showed positive relationships with the particle size. The content of CCG had negative significantly effect on moisture content of the spray-dried emulsion. Mathematical models describing the relationships between studied parameters and responses provided good predictability. Based on model, the optimal formulation was prepared using 2.6% w/w of LMP, 9% w/w of CCG, and feed rate of 6.8 mL/min and the small particle size (~5.9 μm) and low moisture content (~5.6%) were obtained. The spray-dried emulsions were successfully prepared with satisfy quality. The Box-Behnken design would be an effective tool to elucidate influence of formulation and spray drying conditions on particle size and moisture content of the spray-dried emulsions. Further, the design aided in developing and optimizing the spray-dried emulsions with specified quality.

scholarly journals Optimization of Spray-Drying Process of Jerusalem artichoke Extract for Inulin Production

Molecules ◽  
2019 ◽  
Vol 24 (9) ◽  
pp. 1674
Author(s):  
Zhenzhou Zhu ◽  
Mailing Wu ◽  
Jie Cai ◽  
Shuyi Li ◽  
Krystian Marszałek ◽  
...  
Keyword(s):  
Particle Size ◽  
Water Content ◽  
Spray Drying ◽  
Freeze Drying ◽  
Heating Temperature ◽  
Great Influence ◽  
Jerusalem Artichoke ◽  
Drying Methods ◽  
Freeze Dried ◽  
Spray Dried

Jerusalem artichoke is an important natural matrix for inulin production. In this experiment, response surface methodology (RSM) was employed to optimize the spray-drying parameters in order to determine the maximal inulin yield. For this study, three independent variables (heating temperature (Tª, 110–120 °C), creep speed (V, 18–22 rpm) and pressure (P, 0.02–0.04 MPa)) were used in the experimental design. Using the Box–Behnken design, the optimal parameters obtained were: drying temperature 114.6 °C, creep speed 20.02 rpm, and pressure: 0.03 MPa. The inulin yield, water content and particle size of inulin obtained by spray-drying and freeze-drying were compared. In this regard, the spray-dried inulin consisted of a white powder having a fine particle size, and the freeze-dried inulin had a pale-yellow fluffy floc. On the other hand, the drying methods had a great influence on the appearance and internal structure of inulin powder, since the spray-dried inulin had a complete and uniform shape and size, whereas the freeze-dried inulin had a flocculated sheet structure. The analysis showed that the spray-drying led to a higher inulin yield, lower water content and better surface structure than freeze-drying.

scholarly journals Effect of Inlet Air Temperature on the Properties of Spray Dried San-sakng (Albertisia papuana Becc.) Leaf

2020 ◽  
Vol 8 (6) ◽  
pp. 1245-1249
Author(s):  
Eva Mayasari ◽  
Satrijo Saloko ◽  
Oke Anandika Lestari ◽  
Maria Ulfa
Keyword(s):  
Particle Size ◽  
Bulk Density ◽  
Spray Drying ◽  
Air Temperature ◽  
Encapsulation Efficiency ◽  
Raw Material ◽  
West Kalimantan ◽  
Umami Taste ◽  
Randomized Design ◽  
Spray Dried

Free glutamic acid is a flavor enhancer compound that provided umami taste. San-sakng (Albertisia papuana Becc.) leaf has been used as a seasoning in the Dayaks tribe, West Kalimantan, Indonesia. The aim of this study was evaluated the effect of different drying inlet air temperature on physico-chemical of the spray dried san-sakng leaf. San-sakng leaf powders was produced using spray drying and maltodextrin as raw material. Completely randomized design was used with one factor, namely drying inlet air temperature on the spray drying process (130°C, 140°C, and 150°C). The results showed that moisture, solubility, bulk density, particle size, and encapsulation efficiency on the San-sakng leaf powders presented significantly affected by the drying inlet air temperature. Increasing inlet air temperature led to reduced moisture, bulk density, and particle size, whereas enhancing the solubility and encapsulation efficiency.

scholarly journals Application of Novel Drug Delivery System for Herbal Formulations

2021 ◽  
Vol 69 (2) ◽  
Author(s):  
Alka Verma ◽  
Kiran Sharma
Keyword(s):  
Drug Delivery ◽  
Drug Delivery System ◽  
Delivery System ◽  
The Body ◽  
Chemical Degradation ◽  
Tissue Macrophage ◽  
Herbal Formulation ◽  
Alternative Drug ◽  
Novel Drug Delivery System ◽  
Novel Drug

Novel Drug Delivery System (NDDS) is defined to the approaches, formulations, technologies, and system which provide a therapeutic amount of drug to the appropriate site in the body. If the novel drug delivery technology is applied in herbal actives and extracts. It may help in increasing the efficacy and reducing the side effect of variety of novel herbal formulation like polymeric nanoparticle, nanocapsules, liposomes, nanoemulsion, phytosomes, microsphere and ethosomes has been reported using bioactive and plant extracts. These novel formulations have advantage over the conventional formulations. NDDS include enhancement of solubility, bioavailability, protection against toxicity, enhancement of pharmacological activity and stability, improve tissue macrophage distribution and protection against chemical degradation. The most important aim to design alternative drug delivery technologies is to increase efficiency and safety of drug in the process of drug delivery and provide more convenience for the patients. The present paper includes more information regarding novel formulation of herbal formulation.

Quality of spray dried soy beverage powder as affected by drying and feed parameters

2017 ◽  
Vol 47 (4) ◽  
pp. 567-577 ◽  
Author(s):  
Saroj Kumar Giri ◽  
Shukadev Mangaraj ◽  
Lalan Kumar Sinha ◽  
Manoj Kumar Tripathi
Keyword(s):  
Particle Size ◽  
Spray Drying ◽  
Air Temperature ◽  
Feed Rate ◽  
Quality Parameters ◽  
Solid Content ◽  
Surface Model ◽  
Content Type ◽  
Drying Conditions ◽  
Spray Dried

Purpose Soy beverage is becoming more and more popular because it is touted as a healthy food containing useful phytochemicals and is free from lactose and cholesterol. The purpose of this paper is to optimize the spray drying process parameters for obtaining soy beverage powder with good reconstitution and handling properties. Design/methodology/approach Pre-concentrated soy beverage was dried in a laboratory model spray dryer, and the effects of inlet air temperature (180-220°C), feed rate (20-40 ml/min) and feed solid content (15-25 per cent) on some physical parameters and reconstitution properties (wettability and dispersibility) of spray-dried soy beverage powders were investigated. Second order polynomial response surface model was selected for the analysis of data and optimization of the process. Findings Spray drying of soy beverage at different processing conditions resulted in powders with particle size (volume mean diameter) in the range of 86 to 156 µm. Dispersibility and wetting time of the spray-dried soy beverage powders was found to be in the range of 56 to 78 per cent and 30 to 90 s respectively, under various drying conditions. Inlet air temperature was found to be the main factor affecting most of the quality parameters, followed by solid content of the feed. Temperature significantly affected the wettability, dispersibility, colour parameters, particle size and flowability of the powder at p ≤ 0.01. Lower temperature and higher feed solid content produced bigger-sized powder particles with better handling properties in terms of flowability and cohesiveness. A moderate inlet air temperature (196°C), higher feed solid content (24 per cent) and lower feed rate (27 ml/min) were found suitable for drying of soy beverage. Practical implications The study implied the possibility of producing powder from soy beverage using the spray-drying method and optimized drying conditions for obtaining soy beverage powder with good reconstitution properties. Originality/value The finding of this study demonstrated for the first time how the inlet air temperature, feed solid content and feed rate during spray-drying influenced different quality parameters of soy beverage powder. Further, an optimized drying condition has been identified.

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