Abstract
To improve the extraction process and quality of Camellia oleifera Abel. oil (COO). This study examined the influence of explosion-puffing (EP) pretreatment on the physicochemical properties, characteristic compounds and sensory quality of the COO. The results revealed that the seeds after EP pretreatment had cavities surface, which facilitated the extraction of the COO and the dissolution of bioactive compounds. Compared to the untreated group, the oil yield of the 6–7%/20 min was increased from 71.41 to 88.94%, as well as higher levels of squalene, phytosterol, α-tocopherol, and phenolic acids, leading to an increase in the antioxidant abilities. Moreover, the fatty acid composition in the COO was not significantly affected (P > 0.05). W1C, W5S, W3C, W5C, and W1W were the main sensors to distinguish the flavor profile of the COO. In summary, EP pretreatment may be a promising method for enhancing oil yield and quality of the COO.
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