Impacts of microwave-assisted extraction parameters on total phenolic compounds yield from Algerian
            <i>Moringa oleifera</i>
            leaves, using response surface methodology

Kheyar, Farida; Kheyar, Naoual; Amiali, Malek; Boulekbache-Makhlouf, Lila; Kadi, Ahcene; Benchabane, Ahmed; Bitam, Arezki

doi:10.1080/14786419.2024.2333044

Cited by 3 publications

(2 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, for the content of phenolic compounds and flavonoids, increasing the microwave power from 650 to 750 W no longer resulted in significant differences. Research by Kheyar et al [44], which focused on optimizing microwave-assisted extraction for maximizing the total pool of phenolic compounds from Moringa oleifera leaves, confirmed that microwave power determined the efficiency of the process. However, for the optimal power of 626.53 W, the extraction time was prolonged compared to that noted in studies on Levisticum officinale.…”

Section: Discussionmentioning

confidence: 95%

“…was 1000 W. On the other hand, this required an increased ratio of plant biomass to solvent. The positive effect of using microwaves in the extraction process is pointed out by Kheyar et al [44] who stated that the content of polyphenols increased with increasing microwave power, reaching a maximum at 500 W. Increasing the microwave power to 1000 W resulted in a decrease in the polyphenol content of the extract. The reason for this situation may be that microwaves affect the plant material too intensively, causing structural changes that negatively affect the availability of polyphenols or the loss of their stability.…”

Section: Discussionmentioning

confidence: 95%

See 1 more Smart Citation

Optimizing Microwave-Assisted Extraction from Levisticum officinale WDJ Koch Roots Using Pareto Optimal Solutions

Plawgo,

Kocira,

Bohata

2024

Processes

View full text Add to dashboard Cite

The current research trend is not only focused on advanced techniques to intensify the extraction of bioactive compounds from plants, but also on the optimization process. The objective of this work was the implementation of the multiple criteria analysis using navigation on Pareto sets to determine the optimal parameters for the microwave-assisted extraction of Levisticum officinale WDJ Koch roots in order to obtain the maximum efficiency of the antioxidant potential of the extracts. The optimized parameters were extraction time, microwave power, and plant biomass/solvent ratio, while the evaluation criteria were based on the total phenols, flavonoids, reducing sugars, and antioxidant capacity. It was shown that the process parameters analyzed, i.e., biomass/solvent ratio, process time, and microwave power, determined the extraction efficiency of total phenolic content (TPC). A different observation was made for the analysis of total flavonoid content (TFC) and total antioxidant potential (TAA). Compared to the assessment of TFC and TAA, a completely different trend was observed for the analysis of total reducing sugars (RSC). Sets of Pareto optimal, compromise, and preferred solutions were identified that will maximize the efficiency of the extraction of bioactive compounds from biomass. Due to the determined number of Pareto optimal solutions, an approach related to the introduction of preferences in the optimization procedure was applied. It was shown that for a satisfactory level of bioactive compounds, extraction should be carried out at a maximum microwave power of 750 W. Preferred solutions were obtained for root biomass to water ratios ranging from 0.0536 g/mL to 0.0679 g/mL. The preferred optimal time for microwave-assisted water extraction ranged from 64.2857 to 85.7143 s.

show abstract

Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 95%