Optimization of microwave-assisted extraction and characterization of phenolic compounds in cherry laurel (Prunus laurocerasus) leaves

Karabegović, Ivana; Stojičević, Saša S.; Veličković, Dragan T.; Nikolić, Nada Č.; Lazić, Miodrag L.

doi:10.1016/j.seppur.2013.10.021

Cited by 70 publications

(40 citation statements)

References 32 publications

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“…Application of MAE not only reduces the extraction time and amount of solvent required, but also increases the extraction yield with less degradation of bioactive compounds [12,14,15]. Therefore, this study employed MAE for the recovery of phenolic compounds and antioxidant capacity from macadamia skin.…”

Section: Methodsmentioning

confidence: 99%

Optimum Conditions for Microwave Assisted Extraction for Recovery of Phenolic Compounds and Antioxidant Capacity from Macadamia (Macadamia tetraphylla) Skin Waste Using Water

Dailey

Vuong

2015

Processes

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Abstract:This study aimed to develop optimal microwave assisted extraction conditions for recovery of phenolic compounds and antioxidant properties from the macadamia skin, an abundant waste source from the macadamia industry. Water, a safe, accessible, and inexpensive solvent, was used as the extraction solvent and Response Surface Methodology (RSM) was applied to design and analyse the conditions for microwave-assisted extraction (MAE). The results showed that RSM models were reliable for the prediction of extraction of phenolic compounds and antioxidant properties. Within the tested ranges, MAE radiation time and power, as well as the sample-to-solvent ratio, affected the extraction efficiency of phenolic compounds, flavonoids, proanthocyanidins, and antioxidant properties of the macadamia skin; however, the impact of these variables was varied. The optimal MAE conditions for maximum recovery of TPC, flavonoids, proanthocyanidins and antioxidant properties from the macadamia skin were MAE time of 4.5 min, power of 30% (360 W) and sample-to-water ratio of 5 g/100 mL. Under these conditions, an extract could be prepared with TPC of 45 mg/g, flavonoids of 29 mg RUE/g of dried macadamia skin.

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Section: Methodsmentioning

confidence: 99%

Optimum Conditions for Microwave Assisted Extraction for Recovery of Phenolic Compounds and Antioxidant Capacity from Macadamia (Macadamia tetraphylla) Skin Waste Using Water

Dailey

Vuong

2015

Processes

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“…MVH also minimizes damage to thermolabile compounds, as samples do not come into contact with hot surfaces. This justifies the current acceptance of the MAE technique in many applications related to the extraction of bioactive compounds of interest for the food and pharmaceutical industries (Proestos and Komaitis 2008;Routray and Orsat 2012;Karabegović et al 2013). Additional advantages of MAE include lower solvent consumption and high versatility, as selectivity and efficiency of extraction can be finely modulated as a function of experimental conditions selected.…”

Section: Comparison With Other Extraction Techniquesmentioning

confidence: 96%

Microwave-Assisted Extraction of Polysaccharides

et al. 2015

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“…That means the calculated model could explain 98.71 % of the results in the case of organic sulphur extraction yield. The results indicated that the model used to fit the response variable was significant (P < 0.05) and adequate to represent the relationship between the response and the independent variables (Karabegovic et al, 2013;Zhao et al, 2011). For the linear effects of each independent variable within the experimental range, it can be seen in Table 4 that organic sulphur extraction yield was affected most significantly by temperature (X 1 ) (P = 0.0465), followed by hydrochloric acid percentage (X 3 ) (P = 0.1119) and extraction time (X 2 ) (P = 0.1293).…”

Section: Estimated Modelmentioning

confidence: 95%

Optimization of a Microwave Assisted Extraction of Organic Sulphur from Domestic Sewage Sludge by UV-Vis Spectrophotometry Determination

Silva¹,

Rezende²

2017

JAS

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An alternative method for microwave-assisted extraction of organic sulphur in sewage sludge samples was optimized based on response surface methodology. The extraction process was defined by a 2 3 factorial design. In the factorial design, the temperature, the extraction time and the volume of hydrochloric acid in the solvent mixture were evaluated. The samples were extracted with a mixture of nitric acid and hydrochloric acid. The data obtained for study were based on the concentration of sulphur in the sulfate form (S-SO 4 2-) obtained spectrophotometrically in the sludge samples. The initial extraction parameters were adjusted so that spectrophotometric determination was feasible. According to the levels (minimum and maximum) defined for each parameter, the methodology showed that the best extraction conditions were achieved with an extraction temperature of 150 °C, using a longer extraction time (40 min). This study was carried out to evaluate the efficiency of microwave-assisted extraction in spectrophotometric determination of sulphur in sludge samples.

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Optimization of microwave-assisted extraction and characterization of phenolic compounds in cherry laurel (Prunus laurocerasus) leaves

Cited by 70 publications

References 32 publications

Optimum Conditions for Microwave Assisted Extraction for Recovery of Phenolic Compounds and Antioxidant Capacity from Macadamia (Macadamia tetraphylla) Skin Waste Using Water

Optimum Conditions for Microwave Assisted Extraction for Recovery of Phenolic Compounds and Antioxidant Capacity from Macadamia (Macadamia tetraphylla) Skin Waste Using Water

Microwave-Assisted Extraction of Polysaccharides

Optimization of a Microwave Assisted Extraction of Organic Sulphur from Domestic Sewage Sludge by UV-Vis Spectrophotometry Determination

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