AI Article Synopsis
- This study evaluated methods for extracting carotenoid-rich microbial oil (CRMO) from Rhodotorula mucilaginosa using renewable agro-industrial by-products to create oleogels with carnauba wax (CW).
- The Bligh and Dyer extraction method was chosen for its ability to maintain color stability, resulting in CRMO with a total carotenoid content of 41.1 µg/g and lipids at 23.8%.
- The research highlights the potential of CRMO-based oleogels as fat replacers in food, aiming to reduce trans fatty acids and enhance the protection of bioactive compounds.
Article Abstract
This study aimed to evaluate different methods of recovery of carotenoid-rich microbial oil (CRMO) produced by Rhodotorula mucilaginosa in renewable agro-industrial by-products to achieve oleogels based on CRMO and carnauba wax (CW). Among the oil extraction methods, Bligh and Dyer was selected since this system kept color stability. Extracted CRMO showed 41.1 µg g of total carotenoid and lipid content of 23.8%. Oleogels based on CRMO or olive oil (control system) and CW at concentrations of 2.5, 5, 7.5, and 10% were characterized and their potential application to food systems was highlighted. This study is one of the first to describe production of oleogel based on CRMO. Its results contribute to its potential as a fat replacer. This novel oleogel may meet worldwide demands to reduce trans fatty acids in foods and act as a protective system of bioactive biocompounds.
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| http://dx.doi.org/10.1007/s00449-024-03108-y | DOI Listing |
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