The optimization of direct enrichment of soybean oil with myrtle seed bioactive compounds using ultrasonic assisted extraction

IF 0.8 Q4 FOOD SCIENCE & TECHNOLOGY Annals of the University Dunarea de Jos of Galati, Fascicle VI-Food Technology Pub Date : 2023-03-20 DOI:10.35219/foodtechnology.2023.1.01

Nadia Bouaoudia-Madi, Fatiha Brahmi, Sofiani Dairi, Khodir Madani, Lila Boulekbache-Makhlouf

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Abstract

This study aimed to optimize Ultrasound-Assisted Extraction (UAE) parameters to enrich soybean oil with Myrtus communis L. (myrtle) seeds powder. The effect of the temperature and sonication time on antioxidant contents, namely total phenolics, total carotenoids, total chlorophylls and also on the antioxidant capacity was studied. The resulted optimized conditions were a temperature of 30 °C during 32.5 min and through their use, the experimental values for total phenolics, carotenoids, and chlorophylls were 103.09 ± 7.22, 1.96 ± 0.90 and, 1.88 ± 3.97 mg/kg oil, respectively. These values were very close to the predicted ones, which were 94.45 ± 10.13, 1.52 ± 0.12, and 1.57 ± 0.84 mg/kg oil, respectively. The results of the antioxidant capacity of the oil extracts indicated that the enriched oil using UAE appeared to be more potent than the control. Hence, myrtle seeds presented high amounts of bioactive compounds with antioxidant activity and were appropriate for soybean oil enrichment by UAE.

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超声波辅助萃取法直接富集桃金娘籽生物活性物质的工艺优化

以桃金娘种子粉为原料，优选超声辅助提取大豆油的工艺参数。研究了温度和超声处理时间对总酚类、总类胡萝卜素、总叶绿素等抗氧化剂含量及抗氧化能力的影响。结果表明，优化条件为温度30℃，处理时间32.5 min，总酚、类胡萝卜素和叶绿素的实验值分别为103.09±7.22、1.96±0.90和1.88±3.97 mg/kg油。预测值分别为94.45±10.13、1.52±0.12和1.57±0.84 mg/kg油，与预测值非常接近。结果表明，用阿联酋油进行富集后的油的抗氧化能力明显强于对照油。因此，桃金娘种子中含有大量具有抗氧化活性的生物活性化合物，适合用UAE富集大豆油。

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