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首页> 外文期刊>LWT-Food Science & Technology >Preparation and characterization of Eucommia ulmoides seed oil O/W nanoemulsion by dynamic high-pressure microfluidization
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Preparation and characterization of Eucommia ulmoides seed oil O/W nanoemulsion by dynamic high-pressure microfluidization

机译：用动态高压微流体制备和鉴定杜仲紫外线籽油O / W纳米乳液的制备与表征

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摘要

In this study, oil-in-water nanoemulsion of Eucommia ulmoides seed oil were produced by dynamic high-pressure microfluidization (DHPM). The nanoemulsion produced with DHPM at pressure of 100Mpa, treated for five times (5 min), Eucommia ulmoides seed oil volume fraction 8%, emulsifier concentration 0.12 g/mL demonstrated the smallest particle sizes, narrowest PSD and highest zeta-potential. The results of rheological properties indicated that the Eucommia ulmoides seed oil nanoemulsion prepared by DHPM has good kinetic stability. The physical stability analysis showed that no precipitation, fat floating and polymerization appeared in the newly prepared nanoemulsion. Additionally, nanoemulsion showed good stability under acidic conditions. The peroxidation values of Eucommia ulmoides seed oil and its nanoemulsion at different storage temperatures showed an increasing trend with temperature and storage time. Within 45 days of accelerated oxidation at 60 degrees C, the peroxide value of Eucommia ulmoides seed oil increased from 2.41 to 16.15 meq O-2/kg oil, and the nanoemulsion increased from 2.41 to 14.49 meq O-2/kg oil, revealing that nanoemulsion could slow down the oxidation of oil. Overall, DHPM could be applied to prepare fine Eucommia ulmoides seed oil nanoemulsion, which is benefit for the protection and wider application of Eucommia ulmoides seed oil.
机译：在该研究中，通过动态高压微流体（DHPM）产生杜仲紫外线种子油的水包油纳米乳液。用DHPM生产的纳米乳液在100MPa的压力下处理，处理5次（5分钟），杜仲素种子油体积分数8％，乳化剂浓度0.12g / ml显示最小的粒度，最小的PSD和最高Zeta-电位。流变性能的结果表明，DHPM制备的杜仲含量含油纳米乳液具有良好的动力稳定性。物理稳定性分析表明，在新制备的纳米乳液中没有出现沉淀，脂肪和聚合。另外，纳米乳液在酸性条件下显示出良好的稳定性。不同储存温度在不同储存温度下的杜仲种子油及其纳米乳液的过氧化值显示出越来越大的温度和储存时间。在60摄氏度的加速氧化的45天内，杜仲的过氧化物值从2.41〜16.15meq O-2 / kg油增加，纳米乳液从2.41增加到14.49 meq O-2 / kg油，揭示了这一点纳米乳液可以减缓油的氧化。总体而言，DHPM可用于制备精细杜仲含量种子油纳米乳液，这有利于杜仲紫外线种子油的保护和更广泛的应用。

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