食品科学 ›› 2021, Vol. 42 ›› Issue (12): 85-90.doi: 10.7506/spkx1002-6630-20200609-125

• 食品化学 • 上一篇    下一篇

载体油对槲皮素纳米乳液理化稳定性和生物利用度的影响

李朝阳,窦中友,张丽萍,刁静静,江连洲,马萍   

  1. (1.黑龙江八一农垦大学 国家杂粮工程技术研究中心,黑龙江 大庆 163319;2.东北农业大学食品学院,黑龙江 哈尔滨 150030)
  • 出版日期:2021-06-25 发布日期:2021-06-29
  • 基金资助:
    黑龙江八一农垦大学校内培育课题(XZR2017-17);“十三五”国家重点研发计划重点专项(2018YFE0206300)

Effect of Carrier Oil on Physicochemical Stability and Bioavailability of Quercetin Nanoemulsion

LI Chaoyang, DOU Zhongyou, ZHANG Liping, DIAO Jingjing, JIANG Lianzhou, MA Ping   

  1. (1. National Coarse Cereals Engineering Research Center, Heilongjiang Bayi Agricultural University, Daqing 163319, China;2. College of Food Science, Northeast Agricultural University, Harbin 150030, China)
  • Online:2021-06-25 Published:2021-06-29

摘要: 研究载体油种类和体积分数对纳米乳液稳定性和槲皮素生物利用度的影响。以中链甘油三酯(medium-chain triglyceride,MCT)和长链甘油三酯(long-chain triglyceride,LCT)为油相,梨小豆蛋白为乳化剂制备槲皮素负载型纳米乳液。通过光散射粒径分析、Zeta电位、物理稳定性、游离脂肪酸释放率和槲皮素生物利用度探究乳液稳定性。结果表明,与LCT-纳米乳液相比,由MCT制得的槲皮素纳米乳液表现出更高的稳定性和更慢的槲皮素降解速率,油体积分数为5%时,MCT-纳米乳液粒径((152.80±1.73)nm)小于LCT-纳米乳液((180.42±1.98)nm)。通过模拟胃肠道模型测得槲皮素的生物保留率在MCT-纳米乳液体系中得到了极大改善。该信息可以促进设计更有效的槲皮素强化的递送系统。

关键词: 槲皮素;纳米乳液;载体油;稳定性;生物利用度

Abstract: The effects of different types and concentrations of carrier oil on the stability of nanoemulsion and quercetin bioavailability were studied. Quercetin-loaded nanoemulsions were prepared by high pressure homogenization of medium-chain triglycerides (MCT) or long-chain triglycerides (LCT) as the oil phase with pear adzuki bean protein as the emulsifier. The stability was investigated by light scattering particle size analysis, zeta potential, microscopic observation, physical stability, free fatty acid release and quercetin bioavailability. The results showed that compared with the LCT nanoemulsion, the MCT nanoemulsion showed higher stability and a slower degradation rate of quercetin. The average particle size of the nanoemulsion prepared with 5% MCT was (152.80 ± 1.73) nm compared to (180.42 ± 1.98) nm for the one prepared with 5% LCT. The biological retention rate of quercetin measured using a simulated gastrointestinal model was greatly improved in the MCT nanoemulsion system. This finding will be useful for the design of a more effective delivery system for enhanced quercetin bioavailability.

Key words: quercetin; nanoemulsion; carrier oil; stability; bioavailability

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