Influence of the extraction method on the recovery of bioactive phenolic compounds from food industry by-products

Gil‐Martín, Emilio; Forbes‐Hernández, Tamara Y.; Alejandro, Romero; Cianciosi, Danila; Giampieri, Francesca; Battino, Maurizio

doi:10.1016/j.foodchem.2021.131918

Cited by 222 publications

(117 citation statements)

References 343 publications

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“…Moreover, there was no significant difference between ABTS + value obtained by DES-UAE and W-UAE ( p > 0.05), whereas DES-UAE displayed significantly higher ABTS + value than other methods ( p < 0.05). These results indicated that DES-UAE was a high efficiency method compared with UAE coupled with traditional solvents (ultrapure water, 80% ethanol, and 70% methanol), which were usually used in the previous studies and showed a high efficiency for extracting polyphenols [27] , [32] , [33] , [34] , [35] , [30] , [36] . DES-UAE reportedly improved TFC and antioxidant capacity of Moringa oleifera L. leave extracts, compared with UAE coupled with traditional solvents [29] , [22] .…”

Section: Resultsmentioning

confidence: 88%

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Ultrasonic-assisted extraction of polyphenolic compounds from Paederia scandens (Lour.) Merr. Using deep eutectic solvent: optimization, identification, and comparison with traditional methods

Liu

Wang

Zhang

et al. 2022

Ultrasonics Sonochemistry

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Section: Resultsmentioning

confidence: 88%

“…The supernatant was obtained by centrifugation at 13,000 rpm for 10 min. The traditional solvents used were chosen based on previous studies [27] , [32] , [33] , [34] , [35] , which were efficient in polyphenolic extraction.…”

Section: Methodsmentioning

confidence: 99%

Ultrasonic-assisted extraction of polyphenolic compounds from Paederia scandens (Lour.) Merr. Using deep eutectic solvent: optimization, identification, and comparison with traditional methods

Liu

Wang

Zhang

et al. 2022

Ultrasonics Sonochemistry

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“…Concerning the procedure of solvent extraction, great attention has been paid in recent decades to replace organic solvents with eco-friendly solvents. Remarkably, such efforts have been especially focused on agricultural by-products and have employed different kinds of green solvents such as ethanol, acetone, glycerol, and ethyl acetate [ 20 , 21 , 22 ]. Concerning green solvent employment on marine products, previous research can be considered scarce.…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Bioactive Lipid Extraction from Squid (Doryteuthis gahi) by-Products by Green Solvents

Aubourg¹,

Trigo²,

González³

et al. 2022

Foods

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A novel approach of bioactive lipid extraction by different green solvents was carried out on squid (Doryteuthis gahi) by-products. By-products (viscera, heads, skin, tails, etc.), considered as a single product, were subjected to the following solvent systems: ethanol, acetone, ethyl acetate, 1/1 ethanol/acetone, 1/1 ethanol/ethyl acetate, and 1/1 acetone/ethyl acetate. Analyses carried out included lipid yield, lipid class content, and fatty acid (FA) composition. Results were compared to the lipid extract obtained by the traditional procedure (1/1 chloroform/methanol). Lipid yields obtained by green solvents led to a 33.4–73.2% recovery compared to traditional extraction; the highest values (p < 0.05) were obtained by ethanol-containing systems. Compared to the traditional procedure, ethanol systems showed an 85.8–90.3% recovery of phospholipid compounds and no differences (p > 0.05) in the ω3/ω6 ratio. Green-extracting systems led to higher average values for eicosapentaenoic acid content (15.66–18.56 g·100 g−1 total FAs) and polyene index (1.93–3.29) than chloroform/methanol extraction; differences were significant (p < 0.05) for systems including acetone and ethyl acetate. No differences (p > 0.05) were detected for docosahexaenoic acid content between the traditional procedure and green systems, with all values being included in the 31.12–32.61 g·100 g−1 total FA range. The suitability of EtOH-containing green systems for extraction of bioactive lipid compounds from squid by-products was concluded.

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“…Creosol shows weak acidity in aqueous solution and can react with sodium hydroxide to form a salt of strong base and weak acid. The purity of chemical substance is usually a desired property 4,5 . High‐purity creosol can significantly improve the quality of its downstream product.…”

Section: Introductionmentioning

confidence: 99%

“…The purity of chemical substance is usually a desired property. 4,5 High-purity creosol can significantly improve the quality of its downstream product. For example, creosol purity has an obvious effect on both the cure chemistry and final T g of bis(cyanate) esters when creosol is used to synthesize bis(cyanate) esters.…”

Section: Introductionmentioning

confidence: 99%

Purification of creosol applying green heterogeneous extraction technology

Yin

Chen

Wang

2022

J of Chemical Tech & Biotech

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BACKGROUND: Cresol is an important industrial raw material, which is mainly derived from lignocellulosic biomass. High-purity creosol can significantly improve the quality of its downstream product. The extraction of creosol with ultra-high purity (>99.5%) and low cost has attracted extensive attention in recent years. A new and simple green heterogeneous extraction technology for separating ultra-high-purity creosol is proposed in this paper.RESULTS: When a certain amount of creosol is gradually dripped into Ca 2+ solution, the chemicals in three reaction stages are successively monitored by in situ Fourier transform infrared spectroscopy. The molar ratio of creosol and Ca 2+ in the endproduct of this reaction reaches four. Three different chemical bonds in three reaction stages are successively monitored: ion bond, coordination bond formed by ionic compound, and coordination bond formed by creosol molecule. This collected end-product can be decomposed easily. The vapors released in this decomposed process is determined to be high-purity creosol. Meanwhile, the molar ratio of creosol to Ca 2+ in the residual solid after decomposition of the end-product reduces to two.CONCLUSION: Based on the reaction mechanism between Ca 2+ and creosol, a new route for the separation and purification of creosol was proposed in this study. The creosol extraction rate reached 91.5% when excessive Ca 2+ solution was added to the creosol solution. The purity of creosol reaches up to 99.7% when the end-product of the reaction between Ca 2+ and creosol is decomposed at 170 °C.

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Influence of the extraction method on the recovery of bioactive phenolic compounds from food industry by-products

Cited by 222 publications

References 343 publications

Ultrasonic-assisted extraction of polyphenolic compounds from Paederia scandens (Lour.) Merr. Using deep eutectic solvent: optimization, identification, and comparison with traditional methods

Ultrasonic-assisted extraction of polyphenolic compounds from Paederia scandens (Lour.) Merr. Using deep eutectic solvent: optimization, identification, and comparison with traditional methods

Comparative Study of Bioactive Lipid Extraction from Squid (Doryteuthis gahi) by-Products by Green Solvents

Purification of creosol applying green heterogeneous extraction technology

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