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Sustainable Drying and Green Deep Eutectic Extraction of Carotenoids from Tomato Pomace
| Content Provider | MDPI |
|---|---|
| Author | Lazzarini, Celeste Casadei, Enrico Valli, Enrico Tura, Matilde Ragni, Luigi Bendini, Alessandra Toschi, Tullia Gallina |
| Copyright Year | 2022 |
| Description | The extraction of molecules with high added value plays an important role in the recovery of food waste. This work aimed to valorize tomato pomace, a by-product composed of skin and seeds, through extraction of carotenoids, especially lycopene and β-carotene. The tomato pomace was dried using three different methods (freeze-drying, heat drying, and non-thermal air-drying) to reduce its weight, volume, and water activity and to concentrate the carotenoid fraction. These drying approaches were compared considering the extractive potential. Three solvent mixtures were compared, a traditional one (n-hexane:acetone) and two green deep eutectic solvent mixtures (ethyl acetate:ethyl lactate and menthol:lactic acid) in combination with different drying procedures. The extract obtained using ethyl acetate:ethyl lactate with non-thermal air-drying showed the highest contents of lycopene and β-carotene (75.86 and 3950.08 µg/g of dried sample, respectively) compared with the other procedures. |
| Starting Page | 405 |
| e-ISSN | 23048158 |
| DOI | 10.3390/foods11030405 |
| Journal | Foods |
| Issue Number | 3 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-01-30 |
| Access Restriction | Open |
| Subject Keyword | Foods Food Science and Technology Tomato Pomace Lycopene Β-carotene Extraction Sustainability Food By-products Deep Eutectic Solvents Non-thermal Drying |
| Content Type | Text |
| Resource Type | Article |
