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Ultrasound-assisted extraction of Osmanthus fragrans fruit oil and evaluation of its fatty acid composition, physicochemical properties and antioxidant activity
Journal of Applied Research on Medicinal and Aromatic Plants ( IF 3.8 ) Pub Date : 2021-07-10 , DOI: 10.1016/j.jarmap.2021.100331
Weizhuo Tang 1 , Bin Wang 2 , Miaomiao Wang 1 , Mengmeng Wang 1
Affiliation  

In this work, optimization of ultrasound-assisted extraction (UAE) of Osmanthus fragrans (OF) fruit oils from four representative species of OF groups was firstly performed. A Box-Behnken design was applied to investigate and optimize the process variables. Among them, the specie of OF var. latifolius Makino (OFL) had the highest oil yield (18.53 %) by UAE under the optimal conditions with an ultrasound extraction time of 33 min, ultrasound temperature of 52 ℃ and liquid-to-solid ratio of 12 mL/g. Furthermore, the fatty acid composition, physicochemical characteristics, and antioxidant activity of OFL fruit oil extracts obtained through UAE and Soxhelet extraction (SE) were determined and compared. The results demonstrated that the oil yield and fatty acid composition between UAE and SE were similar, while the oil obtained by UAE displayed superior physicochemical properties and antioxidant activity. These findings suggest that UAE represents an effective method for OF fruit oil extraction.



中文翻译:

超声辅助提取桂花果油及其脂肪酸组成、理化性质和抗氧化活性评价

在这项工作中,优化了桂花的超声辅助提取 (UAE)(OF) 果油来自四个代表物种的 OF 组首先进行。Box-Behnken 设计被应用于调查和优化过程变量。其中,OF var 的种类。在超声提取时间33 min、超声温度52 ℃、液固比12 mL/g的最佳条件下,大叶牧野(OFL)的出油率最高(18.53 %)。此外,还测定并比较了通过阿联酋和索氏提取 (SE) 获得的 OFL 果油提取物的脂肪酸组成、理化特性和抗氧化活性。结果表明,UAE和SE之间的油产量和脂肪酸组成相似,而UAE获得的油显示出优异的理化性质和抗氧化活性。

更新日期:2021-07-12
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