scholarly journals Separation of the main flavonoids and essential oil from seabuckthorn leaves by ultrasonic/microwave-assisted simultaneous distillation extraction

2018 ◽  
Vol 5 (7) ◽  
pp. 180133 ◽  
Author(s):  
Chunying Li ◽  
Jingjing Zhang ◽  
Chunjian Zhao ◽  
Lei Yang ◽  
Wenyan Zhao ◽  
...  

Volatile essential oils (EOs), non-volatile rutin (RU), quercetin (QU), kaempferol (KA) and isorhamnetin (IS) were effectively extracted and isolated from seabuckthorn ( Hippophae rhamnoides L.) leaves by ionic liquid-based ultrasound/microwave-assisted simultaneous distillation extraction (ILUMASDE). After optimization by response surface methodology, EOs, RU, QU, KA and IS were separated under the following optimum conditions: an ionic liquid of 1.0 M 1-butyl-3-methyl imidazole bromine salt ([C4mim]), liquid/solid ratio of 12 ml g −1 , extraction time of 34 min, microwave power of 540 W and a fixed ultrasonic power of 50 W. Under the optimized conditions of ILUMASDE, the extraction yields of RU, QU, KA, IS and EOs were 9.18 ± 0.35, 5.52 ± 0.23, 3.03 ± 0.11, 5.64 ± 0.24 mg g −1 and 0.095 ± 0.004%, respectively. The yield of EOs obtained using ILUMASDE was 1.07-fold higher than that obtained by conventional hydrodistillation extraction (HDE). In addition, the components of the EOs obtained using ILUMASDE and HDE were similar. The extraction yields of RU, QU, KA, IS obtained by ILUMASDE were 1.03–1.35-fold higher than that obtained by the ethanol ultrasonic-assisted extraction (EUAE), ionic liquid-based ultrasonic-assisted extraction (ILUAE) and ionic liquid-based microwave-assisted extraction (ILMAE). And the extraction time used by ILUMASDE was 34 min, which is 14.17%, 56.67%, 56.67% and 85.00% less than those used by HDE, EUAE, ILUAE and ILMAE, respectively. Therefore, ILUMASDE can be considered a rapid and efficient method for extracting flavonoids and EO from seabuckthorn ( Hippophae rhamnoids L.) leaves.

2014 ◽  
Vol 2014 ◽  
pp. 1-11 ◽  
Author(s):  
Chunjian Zhao ◽  
Zhicheng Lu ◽  
Chunying Li ◽  
Xin He ◽  
Zhao Li ◽  
...  

An ionic liquids based simultaneous ultrasonic and microwave assisted extraction (ILs-UMAE) method has been proposed for the extraction of rutin (RU), quercetin (QU), from velvetleaf leaves. The influential parameters of the ILs-UMAE were optimized by the single factor and the central composite design (CCD) experiments. A 2.00 M 1-butyl-3-methylimidazolium bromide ([C4mim]Br) was used as the experimental ionic liquid, extraction temperature 60°C, extraction time 12 min, liquid-solid ratio 32 mL/g, microwave power of 534 W, and a fixed ultrasonic power of 50 W. Compared to conventional heating reflux extraction (HRE), the RU and QU extraction yields obtained by ILs-UMAE were, respectively, 5.49 mg/g and 0.27 mg/g, which increased, respectively, 2.01-fold and 2.34-fold with the recoveries that were in the range of 97.62–102.36% for RU and 97.33–102.21% for QU with RSDs lower than 3.2% under the optimized UMAE conditions. In addition, the shorter extraction time was used in ILs-UMAE, compared with HRE. Therefore, ILs-UMAE was a rapid and an efficient method for the extraction of RU and QU from the leaves of velvetleaf.


2012 ◽  
Vol 468-471 ◽  
pp. 2423-2430 ◽  
Author(s):  
Yao Tian ◽  
Yu Yang ◽  
Ping Gao ◽  
Jin Hong Wang ◽  
Ya Qin Xu ◽  
...  

Ultrasonic-assisted extraction (UAE) method was developed for continued extraction of flavonols and anthocyanins from Blueberry. Response surface methodology (RSM) was employed to optimize experimental conditions for extraction of flavonols and anthocyanins. Three major independent variables such as ultrasonic power (W), extraction time (min), liquid to solid ratio (mL/g) were studied. The optimal extraction conditions of flavonols and anthocyanins were determined as follows: ultrasonic power 512.7 W, extraction time 29.8 min, liquid to solid ratio 9.5:1 mL /g. Under a modified condition (ultrasonic power 510W, extraction time 30 min, liquid to solid ratio 10:1 mL /g), the experimental yields of flavonols and anthocyanins were 0.806mg/g and 2.903mg/g respectively, which were agreed closely with the predicted values (0.804mg/g and 2.899mg/g).


Molecules ◽  
2018 ◽  
Vol 23 (9) ◽  
pp. 2309 ◽  
Author(s):  
Liling Wang ◽  
Minge Bai ◽  
Yuchuan Qin ◽  
Bentong Liu ◽  
Yanbin Wang ◽  
...  

Ionic liquids (ILs), known as environmentally benign “green” solvents, were developed as an optimal solvent for the green extraction and separation field. In this paper, an ionic liquid-based ultrasonic-assisted extraction (IL-UAE) of flavonoids (FVs) from bamboo leaves of Phyllostachys heterocycla was developed for the first time. First, 1-butyl-3-methylimidazolium bromide ([Bmim] Br), with the best extraction efficiency, was selected from fifteen ionic liquids with diverse structure, like carbon chains or anions. Then, the influencing parameters of ionic liquid (IL) concentration, liquid-solid ratio, ultrasonic time, and ultrasonic power, were investigated by single factor tests, and further optimized using response surface methodology (RSM). In the optimization experiment, the best conditions were 1.5 mol/L [BMIM]Br aqueous solution, liquid-solid ratio 41 mL/g, ultrasonic time 90 min, and ultrasonic power 300 W. Furthermore, the microstructures of bamboo leaves and the recovery of FVs and [BMIM]Br were also studied. Therefore, this simple, green and effective IL-UAE method has potentiality for the extraction of FVs from bamboo leaves for the large-scale operations.


2012 ◽  
Vol 550-553 ◽  
pp. 1821-1825 ◽  
Author(s):  
Zhong Jie Ren ◽  
Yu Yang ◽  
Ya Qin Xu ◽  
Xing Guo Li ◽  
Ze Yuan Yu

Ultrasonic-assisted extraction (UAE) method was applied for polysaccharides from blackcurrant and response surface methodology (RSM) was used to optimize the effects of processing parameters on polysaccharides yields. Three major independent variables such as ultrasonic power (W), extraction time (min), liquid to solid ratio (mL/g) were studied. The optimal extraction conditions of polysaccharides were determined as follows: ultrasonic power 402.2 W, extraction time 25.5 min, liquid to solid ratio 20.3:1 mL/g. Under a modified conditions (ultrasonic power 400W, extraction time 25 min, liquid to solid ratio 20:1 mL/g, the experimental yield of polysaccharides was 11.19%, which was agreed closely with the predicted value (11.24%).


2011 ◽  
Vol 396-398 ◽  
pp. 292-296
Author(s):  
Ai Shi Zhu

Ultrasonic technology was applied to polysaccharides extraction from Ottelia acuminata (Gagnep.) Dandy and Response Surface Methodology (RSM) was used to optimize the effects of processing parameters on polysaccharides yields. Three independent variables such as liquid-solid ratio (ml/g, X1), extraction temperature (°C, X2) and extraction time (hour, X3) were investigated respectively. The statistical analysis indicated that the three variables and the quadratic of X1 and X3 had significant effects on the yields and followed by the significant interaction effects between the variables of X1 and X3, X2 and X3 (p<0.05). A mathematical model with high determination coefficient was gained. The optimal extraction conditions of polysaccharides were determined as follows: liquid-solid ratio 43 ml/g, extraction temperature 90 °C and extraction time 3.45 hours. Under these conditions, the experimental yield of polysaccharides was 107.44 mg/g, which was agreed closely with the predicted value 108.71 mg/g.


2016 ◽  
Vol 78 (10) ◽  
Author(s):  
Faiznur Mohd Fuad ◽  
Mashitah Mat Don

Calophyllum inophyllum (C. inophyllum) is a plant known as “Penaga Laut” in Malaysia. Its seeds contain valuable oil that serve as a potential alternative sources for vegetable oil. In this study, C. inophyllum seeds oil was extracted using an ultrasonic-assisted extraction (UAE) technique. The optimization of extraction parameters namely different types of solvent, extraction time, ultrasonic power, extraction temperature and liquid to solid (L/S) ratio were performed using one-factor-at-a-time (OFAT) method. The optimum extraction conditions obtained were n-hexane as a solvent, extraction time 20 min, ultrasonic power 210 W, extraction temperature 40°C and L/S ratio 20 ml/g, with an oil yield 55.44 ± 0.53 %.


Author(s):  
Abdelhakim Benarima ◽  
Mohamed Nasreddine Raache ◽  
Moulay Rachid Kouadri ◽  
Yassine Belaiche ◽  
Salah Eddine Laouini

Moringa oleifera is considered one of the most useful plants in the world because it's rich in bioactive substances, which employing on modern medical treatment, also can be used for many fields: pharmaceutical, food and cosmetics purposes. In this study, the response surface methodology (RSM) based on a Box–Behnken design (BBD) was employed to optimize the extraction time (X1: 20–60 min), extraction temperature (X2: 15–45 °C) and solvent-solid ratio (X3: 5–7 ml/g), to obtain a high crude of flavonoids yield from Moringa oleifera Leaves by ultrasonic-assisted extraction technique (UAE). The optimum conditions were an extraction time 23 (min), extraction temperature 44 (°C) and solvent-solid ratio 5.05 (ml/g). Under these conditions, the experimental yield was 72.65 (mg ER/g), well matched with the predicted yield 74.34 (mg ER/g) with the coefficients of determination (R2= 0.9861), thus indicating the suitability of response surface methodology in optimizing the ultrasound-assisted extraction of flavonoids from Moringa oleifera Leaves.


2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Xiaowei Sun ◽  
Zhimin Jin ◽  
Lei Yang ◽  
Jingwei Hao ◽  
Yuangang Zu ◽  
...  

An ionic liquid-based ultrasonic-assisted extraction method has been developed for the effective extraction of procyanidins fromLarix gmeliniibark. So as to evaluate the performance of ionic liquids in ultrasonic-assisted extraction process, the effects caused by changes in the anion and the alkyl chain length of the cation on the extraction efficiency were investigated in this paper. The results indicated that the characteristics of anions had remarkable effects on the extraction efficiency of procyanidins, and 1-butyl-3-methylimidazolium bromide ([Bmim]Br) aqueous solution was the best among the investigated ionic liquids. The optimum conditions for the extraction were as follows: [Bmim]Br concentration 1.25 M, soak time 3 h, solid-liquid ratio 1 : 10, ultrasonic power 150 W, and ultrasonic time 30 min. This work not only introduces a simple, green, and highly efficient sample preparation method for extraction of procyanidins fromL. gmeliniibark, but also reveals the tremendous application potential of ionic liquids.


2019 ◽  
Vol 9 (4) ◽  
pp. 795
Author(s):  
Chunjian Zhao ◽  
Xueting Ren ◽  
Chunying Li ◽  
Hongwei Jiang ◽  
Jiajing Guan ◽  
...  

The coupling of ultrasound and heat–reflux extraction (UHRE) was developed for separation for quercetin (QU), kaempferol (KA), ginkgetin (GI) and sciadopitysin (SC) from Mairei Yew leaves. The Box–Behnken design was used to optimize the UHRE conditions for obtaining the maximum yield of flavonoids. The optimal extraction conditions were as follows: boiling 80% methanol (V/V) for extraction solvent, 20 min for the extraction time, 200 W for the ultrasonic power and 26 mL/g for the liquid–solid ratio. By UHRE, the yields of QU, KA, GI and SC were, respectively, 0.109, 0.406, 0.031 and 0.355 mg/g, and total yield of four flavonoids was 0.901 mg/g, which were, respectively, 1.25-fold and 1.23-fold higher than those by using ultrasonic-assisted extraction (UAE) and heating reflux extraction (HRE). Moreover, the extraction time for the equilibrium yields of flavonoids using UHRE was 83.3% and 27.8%, respectively, less than the corresponding time using UAE and HRE. Compared with HRE and UAE, UHRE showed the increase of cell disruption degree as observed by scanning electron microscopy, which may be the reason for high yield and rapid extraction of target compounds.


2012 ◽  
Vol 550-553 ◽  
pp. 1852-1861
Author(s):  
Yun Chen ◽  
Jian Ming Li ◽  
Li Juan Zhang ◽  
Yu Qian ◽  
Si Yu Yang

Ultrasonic assisted multistage countercurrent extraction technique of ginsenosides Rb1, Rb2, Rc, Rd, Re, Rg1, and Rg2 from Panax quiquefolium L. was developed in this paper. It provides the analytic technique to determine simultaneously the seven major ginsenosides. The effects of ethanol concentration, ratio of liquid to solid, extraction temperature and extraction time on the extraction yields of the seven ginsenosides and total ginsenosides from Panax quiquefolium L.were investigated. The optimal process condition of ultrasonic assisted four-stage countercurrent extraction (4-UAMSCCE) was found using orthogonal array experimental design technique: 70% (v/v) ethanol solution, liquid: solid ratio of 10 ml/g, extraction temperature 45°C and extraction time 30 min. Under optimum process condition, the extraction efficiency of 4-UAMSCCE had been compared with those of conventional techniques including heat distillation extraction (HDE), ultrasonic assisted extraction (UAE), four-stage countercurrent extraction (4-MSCCE). Results show that the 4-UAMSCCE offers the highest ginsenosides extraction rate and considerable savings in time, energy and solvent consumption.


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