ArticleUltrasonics sonochemistry2021
Ultrasound-assisted enzymatic synthesis of xylitol fatty acid esters in solvent-free conditions.
Article in Ultrasonics sonochemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 29 citations in OpenAlex.
- Size-Selective Functionalization of Sugars and Polyols Using Zeolites for Renewable Surfactant Production.Angewandte Chemie (International ed. in English) · 2025Article
- Sugar Esters of Fatty Acids: Chemo-Enzymatic Synthesis and Biological Activity.Molecules (Basel, Switzerland) · 2025Review
- Ultrasonication-assisted lipase-catalyzed esterification of chlorogenic acid: A comparative study using fatty alcohol and acids in solvent and solvent-free conditions.Ultrasonics sonochemistry · 2025Article
- Sustainable Synthesis of New Antioxidants from Hydroxytyrosol by Direct Biocatalytic Esterification in Ionic Liquids.Molecules (Basel, Switzerland) · 2024Article
- A Green Chemo-Enzymatic Approach for COACS sustainable chemistry & engineering · 2024Article
- Intensification of Enzymatic Sorbityl Laurate Production in Dissolved and Neat Systems under Conventional and Microwave Heating.ACS omega · 2024Article
- Sustainable Setups for the Biocatalytic Production and Scale-Up of Panthenyl Monoacyl Esters under Solvent-Free Conditions.ACS sustainable chemistry & engineering · 2023Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A commercial immobilized lipase was successfully used for the synthesis of five xylityl acyl esters by means of the esterification of free fatty acids (caprylic, capric, lauric and myristic, respectively) with xylitol under solvent-free conditions. Ultrasound-assistance was shown to be a key tool to overcome the handicap imposed by both the mutual immiscibility of fatty acids and xylitol substrates, and the semisolid character of the initial reaction mixtures. In such semisolid systems, ultrasonic irradiation may enable the transport of substrate molecules to the enzyme catalytic-site, leading to the efficient synthesis of xylityl fatty ester (e.g. up to 95% yield after 90 min at 40 °C), with xylityl monoacyl ester and xylitol diacyl ester appearing as the main products (greater than 96%), assessed by HPLC and NMR analyses. The separation of products was carried out by heating and simple centrifugation of the reaction medium, which was possible due to different densities of the resulting fractions.
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