Ultrasonic‐assisted solvent extraction of phenolic compounds from Opuntia ficus‐indica peel: Phytochemical identification and comparison with soxhlet extraction

2019 ◽  
Vol 42 (5) ◽  
Author(s):  
Anbarasi Karunanithi ◽  
Sivakumar Venkatachalam
Keyword(s):  
Solvent Extraction ◽  
Phenolic Compounds ◽  
Soxhlet Extraction ◽  
Opuntia Ficus Indica ◽  
Ultrasonic Assisted

Extraction of (Poly)phenolic Compounds of Cactus (Opuntia ficus-indica (L.) Mill.) Cladodes

2021 ◽  
Author(s):  
Elsy De Santiago ◽  
Isabel Juániz ◽  
Concepción Cid ◽  
María-Paz De Peña
Keyword(s):  
Phenolic Compounds ◽  
Opuntia Ficus Indica

scholarly journals Ultrasonic-Assisted Extraction and Natural Deep Eutectic Solvents Combination: A Green Strategy to Improve the Recovery of Phenolic Compounds from Lavandula pedunculata subsp. lusitanica (Chaytor) Franco

Antioxidants ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 582
Author(s):  
Inês Mansinhos ◽  
Sandra Gonçalves ◽  
Raquel Rodríguez-Solana ◽  
José Luis Ordóñez-Díaz ◽  
José Manuel Moreno-Rojas ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Phenolic Compounds ◽  
Deep Eutectic Solvents ◽  
Industrial Applications ◽  
Total Phenolic ◽  
Ultrasound Assisted Extraction ◽  
Phenolic Contents ◽  
Assisted Extraction ◽  
Natural Deep Eutectic Solvents ◽  
Ultrasonic Assisted

The present study aimed at evaluating the effectiveness of different natural deep eutectic solvents (NADES) on the extraction of phenolic compounds from Lavandula pedunculata subsp. lusitanica (Chaytor) Franco, on the antioxidant activity, and acetylcholinesterase (AChE), butyrylcholinesterase (BChE) and tyrosinase (Tyr) inhibitory capacities. Ten different NADES were used in this research and compared with conventional solvents. Ultrasound-assisted extraction (UAE) for 60 min proved to be the best extraction condition, and proline:lactic acid (1:1) and choline chloride:urea (1:2) extracts showed the highest total phenolic contents (56.00 ± 0.77 mgGAE/gdw) and antioxidant activity [64.35 ± 1.74 mgTE/gdw and 72.13 ± 0.97 mgTE/gdw in 2.2-diphenyl-1-picrylhydrazyl (DPPH) and 2.2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) methods, respectively]. These extracts also exhibited enzymes inhibitory capacity particularly against Tyr and AChE. Even so, organic acid-based NADES showed to be the best extractants producing extracts with considerable ability to inhibit enzymes. Twenty-four phenolic compounds were identified by HPLC-HRMS, being rosmarinic acid, ferulic acid and salvianolic acid B the major compounds. The results confirmed that the combination of UAE and NADES provide an excellent alternative to organic solvents for sustainable and green extraction, and have huge potential for use in industrial applications involving the extraction of bioactive compounds from plants.

Aromatic Constituents from Chinese Traditional Smoke-cured Bacon of Mini-pig

2008 ◽  
Vol 14 (4) ◽  
pp. 329-340 ◽  
Author(s):  
J.-C. Xie ◽  
B.-G. Sun ◽  
S.-B. Wang
Keyword(s):  
Solvent Extraction ◽  
Phenolic Compounds ◽  
Lipid Oxidation ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Active Regions ◽  
Volatile Composition ◽  
Headspace Solid Phase Microextraction ◽  
Unsaturated Aldehydes

Volatile composition of Chinese traditional smoke-cured bacon of Mini-pig breed was first characterized. Both headspace solid phase microextraction (SPME) and simultaneous distillation and solvent extraction (SDE) were performed. SDE exhibited efficiency in the extraction of representative aromatic volatiles especially the phenolic smoky flavors from the bacon sample. In total, 104 different components were found with the major quantity and kinds of aromas being the volatile saturated and unsaturated aldehydes from lipid oxidation and the phenolic compounds from smoke. Olfactory evaluation (GC-O) of the SDE extract revealed five basic odor patterns pertaining to 53 odor active regions and 47 odorants. Some key flavors accounting for the bacon aroma were (E, E)-2, 4-decadienal, 3-(methylthio) propanal, 2-furanmethanol, guaiacol, 3-ethylphenol and 2, 5-dimethylpyrazine.

A Comparison of Soxhlet Extraction and Ultrasonic-Assisted Extraction for Analysis of Photoinitiators in Printed Cartonboard Food-Packaging Materials

2012 ◽  
Vol 262 ◽  
pp. 561-566
Author(s):  
Chao Ding ◽  
Fang Wang ◽  
Mei Xia Pang ◽  
Xin Xin Yi ◽  
Feng Tan ◽  
...  
Keyword(s):  
Food Packaging ◽  
Soxhlet Extraction ◽  
Gas Chromatography Mass Spectrometry ◽  
Packaging Materials ◽  
Selected Ion Monitoring ◽  
Food Packaging Materials ◽  
Assisted Extraction ◽  
Relative Standard ◽  
Ultrasonic Assisted ◽  
Phenyl Ketone

A new method was established for detecting a series of photoinitiators (PIs) in printed cartonboard food-packaging materials, which were benzophenone (BP), 4-methylbenzophenone (MBP), 1-hydroxycyclohexyl phenyl ketone (Irgacure184), ethyl-4-dimethylaminobenzoate (EDAB), 2-ethylhexyl-4-dimethylaminobenzoate (EHDAB) and 2-isopropylthioxanthone (ITX) by gas chromatography–mass spectrometry (GC/MS). Extraction was carried out with ethyl acetate by ultrasonic solvent extraction. Samples were analyzed by GC/MS in selected ion monitoring (SIM) mode. The results indicated that six kinds of PIs had good linear relations (R2>0.9989) in the range of 10~200 μg/L. Limit of Detections (LODs) and Limit of Quantifications ( LOQs ) of all kinds of PIs were 0.3~2.6 μg /kg and 1~8 μg/kg, respectively. The recoveries of six kinds of PIs at three kinds of concentrations researched (0.30 μg/kg, 0.60 μg/ kg, 1.0 μg/kg) were ranging from 66.7%~89.4%, with the Relative Standard Deviation (RSD) of 4.2%~10.6% (n=6). The results also suggested that PIs were detected in food packaging materials.

scholarly journals Ultrasonically-Assisted and Conventional Extraction from Erodium Glaucophyllum Roots Using Ethanol:Water Mixtures: Phenolic Characterization, Antioxidant, and Anti-Inflammatory Activities

Molecules ◽  
2020 ◽  
Vol 25 (7) ◽  
pp. 1759 ◽  
Author(s):  
Francisco J. Barba ◽  
Cristina Alcántara ◽  
Radhia Abdelkebir ◽  
Christine Bäuerl ◽  
Gaspar Pérez-Martínez ◽  
...  
Keyword(s):  
Phenolic Compounds ◽  
Necrosis Factor Alpha ◽  
Assisted Extraction ◽  
Potent Inhibition ◽  
Tnf Α ◽  
Ultrasonic Assisted ◽  
Trolox Equivalent ◽  
Factor Alpha ◽  
Conventional Extraction ◽  
Anti Inflammatory

The paper presents experimental results concerning the ultrasonically-assisted extraction of bioactive compounds from Erodium glaucophyllum roots. A comparison with conventional methodology is presented, and thereby the phytochemical composition and the antioxidant and anti-inflammatory activities of extracts are evaluated. The phenolic profile of Erodium extracts was analyzed by TOF–LC–MS–MS. The identification of phenolic compounds revealed that the major component was (+)-gallocatechin in the aqueous extracts obtained for the different extraction methodologies. The highest quantity of phenolic compounds and antioxidant capacity was found in the hydroethanolic extract obtained by conventional extraction (29.22–25.50 mg GAE/g DM; 21.174 mM Trolox equivalent). The highest content of carotenoids, varying from 0.035 to 0.114 mg/g dry matter, was reached by ultrasonic-assisted extraction. Furthermore, Erodium extracts showed a potent inhibition of the inflammatory reaction by means of the inhibition of tumor necrosis factor-alpha (TNF-α). The extracts obtained when ultrasound extraction was combined with ethanol:water (50:50, v/v) presented the greatest inhibition (92%).

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