Enrichment of refined sunflower oil with phenolic extracts from argan (Argania spinosa L. (Skeels)) co-products using ultrasound-assisted extraction

IF 9.7 1区化学 Q1 ACOUSTICS

Ultrasonics Sonochemistry Pub Date : 2025-10-16 DOI:10.1016/j.ultsonch.2025.107624

Otmane Hallouch , Bouchra Bounasser , Abderrahim Asbbane , Angelo Maria Giuffrè , Waleed Al Abdulmonem , Abdelhakim Bouyahya , Khalid Majourhat , Said Gharby

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Abstract

Vegetable oils, rich in unsaturated fatty acids, are highly susceptible to oxidation, requiring antioxidants to ensure stability. In this study, phenolic-rich extracts from argan (Argania spinosa L. (Skeels)) co-products were obtained by ultrasound-assisted extraction (UAE) and incorporated into refined sunflower oil (100 and 200 ppm). The oxidative stability of enriched oils was compared to a non-enriched control and vitamin E-supplemented oils. Chemical characterization confirmed that argan co-products extracts contained high levels of phenolics and flavonoids with strong antioxidant activity. Quality indices (peroxide value, acidity, p-anisidine, K₂₃₂, K₂₇₀, and fatty acid profile) showed no significant changes between enriched and control oils, indicating that the ultrasound enrichment process did not compromise oil quality. Rancimat analysis demonstrated a marked improvement in oxidative stability, particularly for pulp extracts at 200 ppm, which yielded the longest induction period compared to both controls. These findings highlight the potential of argan co-products as sustainable sources of natural antioxidants, offering an efficient and safe alternative to synthetic stabilizers in edible oils.

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用超声辅助萃取法从摩洛哥坚果（Argania spinosa L. (Skeels)）副产品中提取酚类提取物富集精制葵花籽油

植物油富含不饱和脂肪酸，极易氧化，需要抗氧化剂来保证稳定性。本研究采用超声辅助提取法（UAE）从摩洛哥坚果（Argania spinosa L. (Skeels)）副产物中提取富含酚类物质的提取物，并将其加入到精制葵花籽油（100和200 ppm）中。将富集油的氧化稳定性与未富集的对照油和维生素e补充油进行了比较。化学表征证实，摩洛哥坚果副产物提取物含有高水平的酚类物质和类黄酮，具有较强的抗氧化活性。质量指标（过氧化值、酸度、对茴香胺、K232、K270和脂肪酸谱）在富集油和对照油之间没有显著变化，表明超声富集过程没有影响油的质量。ranimat分析表明，氧化稳定性显著提高，特别是在200 ppm的纸浆提取物中，与两种对照相比，诱导期最长。这些发现突出了摩洛哥坚果副产品作为天然抗氧化剂的可持续来源的潜力，为食用油中的合成稳定剂提供了一种有效和安全的替代品。

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来源期刊

Ultrasonics Sonochemistry 化学-化学综合

CiteScore

15.80

自引率

11.90%

发文量

361

审稿时长

59 days

期刊介绍： Ultrasonics Sonochemistry stands as a premier international journal dedicated to the publication of high-quality research articles primarily focusing on chemical reactions and reactors induced by ultrasonic waves, known as sonochemistry. Beyond chemical reactions, the journal also welcomes contributions related to cavitation-induced events and processing, including sonoluminescence, and the transformation of materials on chemical, physical, and biological levels. Since its inception in 1994, Ultrasonics Sonochemistry has consistently maintained a top ranking in the "Acoustics" category, reflecting its esteemed reputation in the field. The journal publishes exceptional papers covering various areas of ultrasonics and sonochemistry. Its contributions are highly regarded by both academia and industry stakeholders, demonstrating its relevance and impact in advancing research and innovation.