Degree of oxidation of sonicated soybean oil using various sonication process parameters

超声 材料科学 过氧化值 超声波 功率密度 分析化学(期刊) 学位(音乐) 过氧化物 化学 色谱法 有机化学 功率(物理) 热力学 声学 物理
作者
Ju-Hee Lee,Jerrad F. Legako,Silvana Martini
出处
期刊:International Journal of Food Science and Technology [Wiley]
卷期号:57 (7): 4473-4482
标识
DOI:10.1111/ijfs.15781
摘要

Summary This research aimed to examine the effect of high‐intensity ultrasound (HIU) on the oxidation of soybean oil (SBO). Samples (5, 100, and 250 g) were sonicated at 25 °C using various sonication conditions: power level (settings 1, 5, and 9), tip size (12.7, 3.2, and 2 mm), and duration (5, 10, and 60 s). After sonication, the degree of oxidation of samples (sonicated and non‐sonicated SBO) were analysed using peroxide value (PV), oil stability index (OSI), and volatile compounds. Sonication was applied to obtain a range of absolute power (0–123.5 W), power density (0–14.2 W cm −3 ), and power intensity (0–1,120 W cm −2 ) values. The highest power density and power intensity were obtained with the highest HIU setting with the 3.2 mm tip. The highest power was obtained when HIU was applied using a 12.7 mm tip and setting 9 in 250 g of sample. No significant difference ( P > 0.05) was observed in PV (0.20 ± 0.01 mEq kg −1 ) nor OSI (10.05 ± 0.04 h), among the various sonication conditions tested. In addition, no differences were observed in the volatile compounds obtained. These results show that HIU can be used under mild sonication conditions such as the ones needed to change the physical properties of lipids without causing oxidative deterioration.
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