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...

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...

Pomelo ( Citrus grandis .Linn Osbeck ) oils is becoming more and popular for everyone because it has great benefits. However, the efficiency of essential oil extraction process depends on method influenced by a number factors. Microwave-assisted hydro-distillation Response Surface Methodology are selected extracting optimizing factors affect yield pomelo oil. The optimum was 4.5% when extracted with water peels ratio 3,119: 1 (ml/g) time 117.336 (minutes) at microwave power 403.115 (W) high...

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,...

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...

Microwave-assisted hydro-distillation (MAHD) is preferred to traditional extraction methods due shorter time, the inability of volatile components be damaged or decomposed which in turn improve efficiency and quality essential oils. In this research, we investigated parameters that affect lemongrass oil process by MAHD method compare with those (HD) method. Four were identified are: raw material size, water ratio, time microwave power. The results show optimum condition for determining...

Although being a by-product after the harvest, orange leaves could be used to produce essential oil through extraction.Application of extracted from is diverse ranging food flavoring cosmetics.This study aimed develop optimal conditions for microwave assisted hydro-distillation leaves.The selected optimization method Response Surface Methodology in conjunction with central composite experiment design.The factors that were varied production extraction material-to-water ratio, time, and...

In this study, kaffir lime peel was used for extraction of essential oil by hydrodistillation and evaluation physico-chemical characteristics. The yield 1.8 %. parameters averaged specific gravity (0.8587g/cm3), acid index (0.667 mg KOH/g), ester (4.203 refractive (1.469), rotator power +3. Twenty-three components were classified in oils. result GC-MS revealed that the is extremely rich α-pinene (35.54 %), Eucalyptol (20.902 camphene (4.384 bicyclo[3.1.1]hept-3-en-2-one (7.794 caryophyllene...

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)...

In this study, extraction of essential oil from orange peels was investigated by hydrodistillation method and combine technology software to optimize the process. By using response surface methodology (RSM) based on Box-Behnken statistical design, effect parameters such as water-to-material ratio (2-4 mL/g), time (45-75 min), temperature (120-140 ºC) process (Citrus sinensis) examined . All factors were significantly affected yield peel oil. Optimum conditions for including water material,...

The effect of copper, zinc, chromium, and lead on the anaerobic co-digestion waste activated sludge septic tank in Hanoi was studied fermentation tests by investigating substrate degradation, biogas production, process stability at mesophilic fermentation. tested heavy metals were a range concentrations between 19 80 ppm. After tests, TS, VS, COD removal efficiency 4.12%, 9.01%, 23.78% for Cu(II) added sample. Similarly, efficiencies Zn(II) sample 1.71%, 13.87%, 16.1% Cr(VI) 15.28%, 6.6%,...

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...

Polyscias fruticosa (L.) Harms is commonly used for medicinal purposes in Vietnam. In traditional medicine, the plant to cure ischemia, reduce inflammation, and increase cerebral blood circulation. Triterpene saponins are major chemical constituents found roots of P. fruticosa. This compound exhibited a broad spectrum biological effects, including lowering sugar, suppressing tumor growth inflammation. study focused on optimizing process total extraction from using ultrasonic-assisted (UAE)...

Cinnamomum verum (Cinnamomum genus) essential oil is commonly used in food preparation and traditional medicines, with a broad spectrum of biological activities. However, research on the extraction oils (EOs) from C. cultivated locally Vietnam currently limited. Therefore, this study, chemical compositions bioactivities EOs bark leaves collected Thai Nguyen Yen Bai provinces were investigated. The samples extracted by using water distillation, organic solvent (n-hexane) ultrasound-assisted...

Abstract In this study, the essential oil of green pepper collected from Vung Tau City, Vietnam was recovered by hydro-distillation technique, giving yield approximately 0.75% on optimal conditions. Single factor investigation showed that conditions extraction process consisted water and material ratio 5:1 mL/g, time 180 min, flow rate 2.5 mL/min, size puree, for soaking 3 hours. Nineteen components were identified in obtained Piper nigrum oils using GC-MS. The main Caryophyllene, 3-Carene,...

Abstract This study attempted the extraction of essential oils (EOs) from orange peel, and optimized experimental parameters microwave-assisted hydrodistillation process. Gas chromatography-Mass spectrometry was often used for assessment chemical content natural collected. Optimal conditions process consisted ratio 1:3 peel/water, microwave power 300W duration 45 minutes. These gave highest yield (2%). From gas chromatographic results, five components were identified in obtained peel EOs...

Abstract Citrus peel essential oil has considerable potential to be used as a direct agent against wide range of Gram-positive and Gram-negative bacteria. The three citrus species in this study included aurantifolia, latifolia, hystrix. Essential oils were extracted on pilot model analyzed by gas chromatography-mass spectrometry (GC-MS). bacteria (Bacillus subilits, Listeria monocytogenes, Staphylococcus aureus) gram-negative (Escherichia coli, Samonella typhimurium, Pseudomonas aeruginosa)...

Abstract In the present study, optimized solvent extraction conditions with regards to total polyphenol content (TPC) and antioxidant capacity of rosemary leaf extract (RLE) were determined. The one-factor-at-a-time method was used independently investigate effect several parameters, including ethanol concentration (0–100% v/v), temperature (50–80°C), period (15–60 min), material–solvent ratio (1:5–1:10 g/mL), cycles (1, 2, 3 times) on content. Response surface methodology (RSM), in...

This study attempted the optimization of extraction process involving essential oils from Vietnamese pomelo fruits. Three influential parameters including ratio water and material, time, temperature were assumed to be impactful oil yield investigated by establishing a statistical model. A central composite design was adopted generate dataset required for estimation Analysis variance used calculate model significance. The results showed that optimum is 4.46 % (v/w) corresponding 507 mL 100 g...

Anthocyanin is increasingly used as a natural and safe coloring agent. In this paper, the extraction of purple sweet potato anthocyanin (PSPAs) was investigated by using response surface methodology (RSM). Different temperatures solvent ethanol (60 – 70 °C), duration (35 - 45 min) solid-liquid ratios (4:1 6:1) were selected in order to extract PSPAs. The highest content 206.019 mg/L PSPAs collected at solid liquid ratio 6:1, time 39.61 min, temperature 67.38°C. yield detailed significant...

In this research, the hydrodistillation extraction method has been adopted to extract essential oil from Vietnamese Mandarin ( Citrus reticulata Blanco) peel purchased Thu Duc, Vietnam. Various conditions influencing yield were investigated. The obtained was evaluated for physicochemical characteristics. GC–MS studied chemical composition of oil. results showed that with ground peel, ratio solvent 1:4 (g/mL), time 150 minutes at a temperature 110-120°C, highest attained 5%. Bioactive...

Abstract Citrus hystrix which is commonly known as Kaffir Lime, a plant with great potential for research and commercialization. C. essential oil used fragrance to increase appetite in food, or sweet-smelling cosmetics antibacterial properties the health field. Most have focused on peels, yet EO content leaves also noteworthy. There are many oils extraction methods from conventional advanced techniques. However, it necessary consider influence of heat during transfer constituents materials,...