Microwave-Assisted Extraction of Phenolic Antioxidants From Semiarid Plants

Wong-Paz, Jorge E.; Contreras-Esquivel, Juan Carlos; Muñiz‐Márquez, Diana B.; Belmares, Ruth; Rodríguez, Raúl; Flores, Patricia; Aguilar, Cristóbal N.

doi:10.3844/ajabssp.2014.299.310

Cited by 15 publications

(7 citation statements)

References 29 publications

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“…Microwave radiations may reduce the extraction time and relatively lesser solvent is needed for extraction. Therefore researchers have been attracted more towards microwave assisted extraction (Radjabian et al, 2008;Rafiee et al, 2011;Zhang et al, 2011;Wong Paz et al, 2014). Microwave extraction is potential alternative of conventional liquid solvent extraction methods (Yemis and Mazza, 2012).…”

Section: Discussionmentioning

confidence: 99%

Seed Enhancement of Silybum marianum and Optimization of Silymarin Extraction

Jahan¹,

Khalil-ur-Rahman²,

Basra³

et al. 2016

IJAB

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The present study elucidates the impact of different priming strategies on seed emergence and growth of milk thistle [Silybum marianum (L.) Gaertn.] and also evaluation of the efficacy of various extraction methods for optimal extraction of silymarin from milk thistle seeds. Seeds were primed with distilled water, Humic acid (2%), potassium chloride (2%) and moringa leaf extract (3%) for 24 h. Untreated seeds were used as control. Primed and non-primed seeds were sown in plastic pots. Seed priming treatments significantly improved the performance of milk thistle seeds as indicated by higher values of final emergence and lower values of mean emergence time and time taken to 50% emergence as compared to non-primed seeds. Silymarin was extracted from seeds of milk thistle by applying various techniques like Reflux, Soxhlet, maceration and microwave assisted extraction by using various solvents. Extraction with Soxhlet and microwave assisted techniques were proved better as compared to the others. The results indicated that in both spectrophotometric and HPLC quantification, silymarin contents were found maximum in extracts prepared with methanol by microwave assisted extraction technique followed by Soxhlet.

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Section: Discussionmentioning

confidence: 99%

Seed Enhancement of Silybum marianum and Optimization of Silymarin Extraction

Jahan¹,

Khalil-ur-Rahman²,

Basra³

et al. 2016

IJAB

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“…Saturation simple equation was considered to describe the extraction kinetics of a target compound into a liquid solution (Wong‐paz et al, 2014). Equation (2) presents the model equation.

C_{t} = ((), C_{\infty} \cdot t) / ((), K_{3} + t)

where

K_{3}

is the constant that describes the released fraction.…”

Section: Methodsmentioning

confidence: 99%

Phenolics and carotenoids recovery from agroindustrial mango waste using microwave‐assisted extraction: Extraction and modeling

Vélez-Erazo

Reátegui

Dorronsoro-Guerrero

et al. 2021

J Food Process Engineering

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The main objective of this work was to extract antioxidant compounds from by‐products from the mango processing industry by means of microwave‐assisted extraction (MAE). For this, two steps were proposed, first, a kinetics modeling, and then a Box–Behnken design to study the effect of the variables time, power and ethanol concentration on the responses: total extraction yield (TEY), total phenolic content (TPC), total flavonoids content (TFC), and total carotenoids content (TCC). In the kinetics study, all models described a high correlation with the experimental data from bioactive compounds extraction from mango peel. Among these, the two‐site mathematical model better described the experimental data (R2 > 95%). Optimization results using response surface methodology have shown great adjustments to the quadratic models for TPC, TFC, and TCC; showing that the Box–Behnken design for this subject of research can be of great use when it does not comply with the technical conditions to realize a central design. Practical Applications The present study focused on the mathematical modeling of microwave‐assisted extraction of bio‐compounds from industrial mango peel by‐products. Modeling tools such as kinetics studies or response surface methodologies allow the optimization of extraction and process cost reduction. Extracts were obtained at high yield regarding phenolics, flavonoids, and carotenoids content, with high antioxidant activity. These results show that extracts with high antioxidant properties may be applicable in a wide range of foods.

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“…6 In this sense, there are techniques for extracting and obtaining these compounds that are considered conventional (soaking, maceration, water percolation, Soxhlet extraction). 11 However, these techniques have operational disadvantages such as long extraction times, excessive consumption of solvents, and a high risk of environmental contamination. 12 As a result, new techniques and methodologies known as emerging alternatives have been developed in recent years, offering significant advantages in terms of compound extraction time, lower solvent consumption, higher recovery yields, and lower risk of environmental contamination.…”

Section: Introductionmentioning

confidence: 99%

Ultrasound‐microwave‐assisted extraction of polyphenolic compounds from Mexican “Ataulfo” mango peels: Antioxidant potential and identification by HPLC/ESI/MS

Ordoñez-Torres

Torres-León

Hernández‐Almanza

et al. 2020

Phytochemical Analysis

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Introduction: Mango is used in traditional medicine in many countries. However, the processing by-products are not currently used and generate large pollution problems and high handling costs.Objective: To study the effect of different parameters in the extraction of polyphenolic compounds from mango peels using modern and ecological ultrasound-microwave-assisted extraction technology.Methodology: Various parameters of these processes were studied: the extract was recovered by liquid chromatography using Ambetlite XAD-16. The total polyphenol content was determined by Folin-Ciocalteu's and HCl-butanol methods. Antioxidant activity was determined by 2,2 0 -azino-bis (3-ethylbenzothiazoline-6-sulphonic acid (ABTS+), 1,10-diphenyl-2-20-picrylhydrazyl (DPPH), and lipid oxidation inhibition methods. The recovered compounds were identified by high-performance liquid chromatography-mass spectrometry (HPLC-MS).Results: The best extraction conditions were solid/liquid ratio of 1/5 g/mL, ethanol percentage of 50%, and an extraction time of 10 min. Under these conditions, the total polyphenol content was 54.15 mg/g, and the antioxidant activities were greater than 90% inhibition in the three assays evaluated. According to the high-performance liquid chromatography/electrospray ionization/mass spectrometry (HPLC/ESI/MS) analysis, nine polyphenolic compounds were identified; most of them were gallotannins, such as pentagalloyl glucose. Conclusion:Ultrasound-microwave-assisted extraction was shown to be effective and allowed the recovery of antioxidant polyphenolic compounds. The results indicated that mango peel extracts can be used as natural antioxidant components in the pharmaceutical and functional food industries.Anahi Ordoñez-Torres and Cristian Torres-León contributed equally to this work.

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Microwave-Assisted Extraction of Phenolic Antioxidants From Semiarid Plants

Cited by 15 publications

References 29 publications

Seed Enhancement of Silybum marianum and Optimization of Silymarin Extraction

Seed Enhancement of Silybum marianum and Optimization of Silymarin Extraction

Phenolics and carotenoids recovery from agroindustrial mango waste using microwave‐assisted extraction: Extraction and modeling

Ultrasound‐microwave‐assisted extraction of polyphenolic compounds from Mexican “Ataulfo” mango peels: Antioxidant potential and identification by HPLC/ESI/MS

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