Black pepper (Piper nigrum L.) is a tropical crop with extensive medicinal potential in ethnomedicine and nutraceutical applications. The essential oil of black finds wide applications inhabitation respiratory infections soothing muscular pains due to its warming energizing property. pungent bioactive piperine responsible for this function, therefore, efficient technology required an optimal extraction process compound. In the present article, we have developed procedure extracting from...

In the present article, optimization of removal Cu 2+ , Ni and Pb using sugarcane-based activated carbon was studied. The synthesized from low-cost sugarcane bagasse via ZnCl 2 activation process found to possess surprisingly high surface area (>1500 m /g). adsorption study, individual interactive effects three critical parameters including initial concentration, pH solution, dosage on efficiency were assessed by applying response methodology combined with central composite design....

Basil plant is a common source for linalool and estragole. However, it has been showed that the chemical composition of basil varies considerably depending on many factors including method extraction, cultivar or geographical location. In this study, we attempted to extract essential oil from Vietnamese analyze obtained using gas chromatography–mass spectrometry (GC-MS). The extraction choice was microwave-assisted hydro-distillation (MAHD) process optimized with Response Surface Methodology...

The purpose of this study was to attempt the encapsulation lemongrass (Cymbopogon citratus) essential oil utilizing spray drying technique. An array process parameters including concentration wall (15–30%), type materials (maltodextrin, maltodextrin and gum Arabic mixture), (0.5–2.0%) were thoroughly investigated. results show that use sole as encapsulant gave microcapsules characteristics comparable powder produced using mixture. performed with at 30% material 1.5% core showed highest yield...

Response Surface Methodology (RSM) is used to optimize the conditions of saponification reaction (Concentration alkaline solution (%), temperature (°C) and time (hour)). Level foaming durability emulsion (cleaning ability) from product are two factors evaluate optimization process by RSM. After optimization, concentration 11%, was carried out for 2.5-3 hours at 85°C highest level most prolonged emulsion. This parameter compared with experiment, results showed that there no significant error,...

Background: This study evaluates the efficiency of essential oil extraction from Elsholtzia Cristata (EC) using two methods: classical steam distillation method (CM) and microwave-assisted (MM). The focus is on comparing these methods in terms yield assessing antimicrobial properties extracted oils, particularly antibacterial activity citral. Objective: which yields higher content bet-ter preserves bioactive compounds, with a It also explores potential pharmaceutical applications oil....

Plectranthus amboinicus oil has many applications in pharmaceutical, medicine and cosmetic industries. Recently, new methods of extracting essential used have been increasingly developed to replace traditional methods. In this study, maximization oils yield from P. was studied by the combination microwave assisted hydro-distillation (MAHD) response surface methodology (RSM). We found that maximum 0.1374 % with 94.38 reliability influencing factors such as power for process 515 W, raw...

We investigated the fabrication of Co-doped BiVO₄ (Bi_1−xCo_xVO_4+δ, 0.05 &lt; <italic>x</italic> 0.5) by substitution Co ions for Bi sites in BiVO₄.

Natural graphite, a locally available, eco-friendly, and low-cost carbonaceous source, can be easily transformed into exfoliated graphite (EG) with many surface functional groups via chemical oxidation route. Combination between EG magnetic MnFe2O4 is promising strategy to create hybrid kind of nanocomposite (EG@MnFe2O4) for the efficient adsorptive removal Congo red (CR) dye from water. Here, we reported facile synthesis characterization bonds EG@MnFe2O4 using several techniques such as...

In this study, we attempted the preparation of gac oil-loaded solid lipid nanoparticles (SLNs) by high-speed homogenization method using Naterol SE lipid, a cosmetic self-emulsifying base, and surfactant investigated effects different conditions on characteristics resulting nanoparticles. The suspensions containing 5% active agents (gac-oil, w/w) were dispersed in concentration (w/w) (Span 80:Tween 80 ratio 28:72 2.5% (Naterol SE) concentration. Suitable for hot 13,000 rpm, 60 min °C speed,...

An aerobic coupling of 2-aminopyrimidines or 2-aminopyridines with trans-chalcones to afford aroylimidazo[1,2-a]pyrimidines and aroylimidazo[1,2-a]pyridines is reported. Reactions proceed in the presence CuFe2O4 superparamagnetic nanoparticle catalyst, two equivalents iodine, oxygen oxidant, 1,4-dioxane solvent. The catalyst superior many common copper iron complexes. Copper ferrite could be easily separated by magnetic decantation reused up 5 times without a major loss activity. method...

The essential oil of Citrus microcarpa peels was applied in many fields, and the methods to improve efficiency citrus exploitation were increasingly concerned. In this study, extracted from calamondin by hydrodistillation. This study carried out investigate factors affecting distillation oils. highest performance process 2.45 % with optimal conditions (material-water ratio 1:3 g/mL, time 2 h, temperature 120 ºC). Moreover, (Citrus microcarpa) extract analyzed gas chromatography-mass...

Turmeric oil has many uses in the field of medicine and food. There are methods extracting essential oils from plants. However, every traditional method limitation regarding heat transfer, time or quality obtained. In this study, combination microwave extraction response surface methodology used to extract turmeric optimize factors that influence process. The results showed optimal influencing such as ratio water raw materials were 2.99:1 (mL/g), power at 456.60 (W) for was 102.43 (min)...

High concentration of rutin nanosuspension (5%) in water was prepared by using high-speed and high-pressure homogenizer. Sodium tripolyphosphate (STPP) crosslinker chitosan polymer were found to be an efficient encapsulating reagent stabilizer prepare nanosuspension. In addition, the particle sizes sedimentation rates investigated under effects several factors, including applied pressures homogenization, presence co-solvent PEG 400 (polyethylene glycol 400), loading, STPP mass ratio. Raw...

Orange oil with many applications in food and beautify people. In this sense, traditional methods of extracting essential oils have been less effective gradually replaced by more optimal methods. The combination microwave assisted hydro-distillation treated response surface methodology are considered as a new modern method for oranges optimizing the factors that influence extraction process. results showed influencing such ratio water to raw materials were 3.2: 1 (mL/g), power used at 465...

A new iron‐organic framework, VNU‐22 {[Fe 3 (BTC)(BPDC) 2 ] · 11.97H O}, constructed from BTC 3– , BPDC 2– pillars and infinite [Fe (CO ) 7 ∞ rod SBU, was obtained. The utilized as a heterogeneous catalyst in the synthesis of 2,4,6‐triphenylpyridines via cascade reactions acetophenones phenylacetic acids with ammonium acetate nitrogen source. This transformation is new. more active than many homogeneous catalysts. framework recovered reutilized without an appreciable decline its performance....

Abstract Annona squamosa Linn. (custard apple) has been used extensively in India traditional medicine for treatment of dysentery, cardiac problems, fainting, worm infections, constipation, hemorrhage, dysuria, fever. This study assessed the phytochemicals present leaves A. squamosa. The phytochemical was extracted separately with distilled water and 96% ethanol. A wide variety pharmacologically active compounds such as alkaloids, coumarins, tannins, glycosides, flavonoids, carbohydrates,...

Low aqueous solubility and poor bioavailability of curcumin have limited its application in various fields. One approach to address this issue is formulate a nanosuspension that incorporates curcumin, which has been previously shown exhibit remarkably improved comparison with bare compound. In study, the preparation process was optimized median particle size as outcome. Gum arabic used natural polymeric surfactant suspension formulated using high speed homogenization. Optimization results,...

Abstract Soursop ( Annona muricata L.), a plant native to South America, is widely distributed in tropical and subtropical regions of the world. In this study, extract A. Muricata was obtained using various solvents including distilled water, ethanol, ethyl acetate, chloroform. Total polyphenol content, total flavonoid content antioxidant activity seed extracts were investigated vitro assays. The highest extraction yield (23.60%) by ethanol showed (282.71 ± 8.64 mg GAE/100g DW) (86.57 3.20...

The combination of chitosan as a renewable heterogeneous catalyst and ionic liquid "green" solvent was employed for the Knoevenagel reaction. characterized by various techniques, including X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), elemental analysis. Excellent conversions were achieved under mild conditions without need an inert atmosphere. There no contribution...

A simple metal-free method for the synthesis of quinazolinones from commercially available 2-nitrobenzyl alcohols and tetrahydroisoquinolines is developed. The reaction conditions were tolerant an array functionalities such as halogen, tertiary amine, protected alcohol, ester groups. Under nearly identical conditions, quinazolinethiones obtained in presence elemental sulfur suitable mediators.