期刊
FOOD CHEMISTRY
卷 374, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.131625
关键词
Freeze-dried mushroom; Diffusion; Synergistic antioxidants; Lipid oxidation; Beef patties
资金
- University of Tennessee Institute of Agriculture
- USDA National Institute of Food and Agriculture [TEN00568]
This study investigates the potential of using freeze-dried mushroom microparticles loaded with curcumin and quercetin as antioxidants in cooked beef patties. The results demonstrate the successful loading of curcumin and quercetin into the microparticles, resulting in improved antioxidative effect and inhibition of lipid oxidation. The study highlights the potential of porous mushroom matrices for enhancing food quality by loading lipophilic antioxidants.
Curcumin (CCM) and quercetin (QCT) are natural antioxidants. In this study, the two antioxidants (5:1 w/w) were loaded into freeze-dried mushroom microparticles (FDMMs) to achieve synergistic antioxidative effect, and CCM-QCT-loaded FDMMs were incorporated in cooked beef patties to inhibit lipid oxidation. The loading was done by diffusing CCM-QCT dissolved in ethanol and polyethylene glycol-400 (40:60 v/v) into FDMMs. The loading capacity was 4.3% and 1.3% (w/w) for CCM and QCT, respectively. Crystalline CCM and QCT became amorphous within FDMMs according to X-ray diffraction and scanning electron microscopy. Confocal laser scanning microscopy confirmed the diffusion of CCM and QCT into the intracellular matrix of FDMMs. Both CCM and QCT were effectively preserved within FDMMs during UV irradiation at 253 nm. The minimum 2-thiobarbituric acid reactive values were observed for the patties with CCM-QCT-loaded FDMMs. Our results demonstrate the potential of porous mushroom matrices for loading lipophilic antioxidants to improve food quality.
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