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| Effect of processing parts and extraction technology on the quality property and oil phase migration of main lipid concomitants of seabuckthorn oil |
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| DOI：10.12166/j.zgyz.1003-7969/2020.05.019 |
| KeyWord:seabuckthorn oil processing part extraction technology quality property lipid concomitant |
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| Abstract: |
| The effects of different processing parts and extraction technologies on the yield, quality property and main lipid concomitants of seabuckthorn oil were analyzed. The results showed that compared with pulp oil and whole berry oil, seabuckthorn seed oil had lower acid value, peroxide value, p-anisidine value, K232 value and K270 value, but higher yield and contents of α-linolenic acid and phytosterol. However, seabuckthorn pulp oil and whole berry oil had high contents of tocopherols, carotenoids and total phenolics. Compared with traditional solvent (SE) and ultrasound-assisted extraction (UAE), microwave pretreatment coupled with solvent extraction (MPE) and accelerated solvent extraction (ASE) could significantly increase the yield of seabuckthorn oil, but ASE also exacerbated the lipid peroxidation of seabuckthorn pulp oil. MPE increased the migration of phytosterols and carotenoids in seabuckthorn oil. ASE was more conducive to the release of tocopherols and phenolic compounds into oil phase. In conclusion, from the perspective of seabuckthorn oil yield and nutritional quality,microwave pretreatment, as an effective pretreatment method, could be applied to the preparation of seabuckthorn oil when coupled with short accelerated solvent extraction. |
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