Enzymatic preparation of castor oil-based feruloylated lipids using ionic liquids as reaction medium and kinetic model

Sun, Shangde; Zhu, Sha

doi:10.1016/j.indcrop.2015.04.019

Cited by 6 publications

(5 citation statements)

References 39 publications

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“…These results indicate that the models were reliable. These results also suggest that, compared with previous reports 8,9,47 , free liquid lipase B from Candida antartica as a catalyst can improve the hydrophilic FG preparation.…”

Section: Reaction Optimization and Model Veri Cationsupporting

confidence: 71%

“…However, under atmospheric pressure, EF conversion 79.2 2.2 was 2 times that of the vacuum pressure. In addition, the EF conversion of the atmospheric pressure slowly increased to 88.6 at 24 h, which was much higher that 48.0 3.0 of the transesterification of castor oil CO with EF using ionic liquids as the reaction medium 47 . In theory, the removal of byproduct ethanol at vacuum 0.1 MPa can drive reaction toward more EF conversion.…”

Section: Effect Of the Pressure Of The Reaction Systemmentioning

confidence: 83%

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Hydrophilic Glyceryl Ferulates Preparation Catalyzed by Free Lipase B from Candida antartica

Yao

Sun

2020

J. Oleo Sci.

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Introduction Ferulic acid FA is also known as 4-hydroxy-3methoxy cinnamic acid, is ubiquitously found in some plants, and has UV-absorbing, antioxidant, free radical scavenging and antitumor activities 1 4. However, the low hydrophilicity of FA has limited its application in pharmaceutical, cosmetic and other fields 5 7. To overcome this problem, modifications of FA using hydrophilic groups for example, glycerol, hydrophilic aliphatic alcohols and monosaccharides has attracted attention 8 13. Glyceryl ferulate FG is a popular hydrophilic FA derivative 14 17. And FG exhibited good UV adsorbing properties at 280-360 nm with a λ max at 322 nm. In previous reports, chemical catalysts and enzymes have been used for FG preparation. The presence of phenolic hydroxyl makes FA easy to oxidize and sensitive to heat. Therefore, compared with chemical catalysts, enzymes have been popular catalysts for the preparation of FA derivatives, due to their mild reaction conditions 14, 16, 18 .

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Section: Reaction Optimization and Model Veri Cationsupporting

confidence: 71%

Section: Effect Of the Pressure Of The Reaction Systemmentioning

confidence: 83%

Hydrophilic Glyceryl Ferulates Preparation Catalyzed by Free Lipase B from Candida antartica

Yao

Sun

2020

J. Oleo Sci.

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“…Feruloylated structured lipids were produced by enzymatic transesterification in solvent-free system, which achieved relatively high conversion of ethyl ferulate, reaching 98.3 ± 1.1% [15,58]. To further improve the biological activity of phenolic lipids, ionic liquids (ILs) was also used in the enzymatic transesterification of ethyl ferulate with castor oil [59]. Castor oil-based caffeoyl structured lipids was successfully prepared which combined beneficial properties of both castor oil and caffeic acid [52].…”

Section: Reaction Conditionsmentioning

confidence: 99%

Enzymatic Synthesis of Functional Structured Lipids from Glycerol and Naturally Phenolic Antioxidants

Wang¹,

Zhu²,

Wang³

et al. 2019

Glycerine Production and Transformation - An Innovative Platform for Sustainable Biorefinery and Energy

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Glycerol is a valuable by-product in biodiesel production by transesterification, hydrolysis reaction, and soap manufacturing by saponification. The conversion of glycerol into value-added products has attracted growing interest due to the dramatic growth of the biodiesel industry in recent years. Especially, phenolic structured lipids have been widely studied due to their influence on food quality, which have antioxidant properties for the lipid food preservation. Actually, they are triacylglycerols that have been modified with phenolic acids to change their positional distribution in glycerol backbone by enzymatically catalyzed reactions. Due to lipases' fatty acid selectivity and regiospecificity, lipase-catalyzed reactions have been promoted for offering the advantage of greater control over the positional distribution of fatty acids in glycerol backbone. Moreover, microreactors were applied in a wide range of enzymatic applications. Nowadays, phenolic structured lipids have attracted attention for their applications in cosmetic, pharmaceutical, and food industries, which definitely provide attributes that consumers will find valuable. Therefore, it is important that further research be conducted that will allow for better understanding and more control over the various esterification/ transesterification processes and reduction in costs associated with large-scale production of the bioconversion of glycerol. The investigated approach is a promising and environmentally safe route for value-added products from glycerol.

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“…Natural antioxidants have low solubility in both hydrophilic and lipophilic solvents. It limits their use in food or cosmetics [25] . The possibility of choosing a cation allows to achieve the desired characteristics of ILs, such as solubility in a specific environment.…”

Section: Introductionmentioning

confidence: 99%

“…It limits their use in food or cosmetics. [25] The possibility of choosing a cation allows to achieve the desired characteristics of ILs, such as solubility in a specific environment. Antioxidants can be used to prevent oxidative damage and to delay the ageing process of skin.…”

Section: Introductionmentioning

confidence: 99%

L‐Carnitine‐Based Bio‐Ionic Liquids as Antioxidants

Czerniak

Pernak

2021

ChemistrySelect

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The purpose of this research was to determine the antioxidant properties of ionic liquids containing an anion showing antioxidant activity and a cation of natural origin derived from L‐carnitine. Formation methods of ionic liquids based on direct protonation of an L‐carnitine zwitterion form were evaluated with the selected phenolic acids and L‐ascorbic acid. All received compounds were characterized, and the physicochemical properties significant to ionic liquid uses were measured (thermal stability and phase transitions). All research on antioxidant activity was conducted using commonly applied spectrophotometric methods, allowing for assessment of the neutralization ability of compounds regarding various radicals. The ferrous and cupric ion reduction ability and ferrous ion chelation of the ionic liquids were also examined. Furthermore, ionic liquid activity toward the enzyme xanthine oxidase responsible for the formation of reactive oxygen species in the body was determined.

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Enzymatic preparation of castor oil-based feruloylated lipids using ionic liquids as reaction medium and kinetic model

Cited by 6 publications

References 39 publications

Hydrophilic Glyceryl Ferulates Preparation Catalyzed by Free Lipase B from <i>Candida antar</i><i>tica</i>

Hydrophilic Glyceryl Ferulates Preparation Catalyzed by Free Lipase B from <i>Candida antar</i><i>tica</i>

Enzymatic Synthesis of Functional Structured Lipids from Glycerol and Naturally Phenolic Antioxidants

L‐Carnitine‐Based Bio‐Ionic Liquids as Antioxidants

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