An extended processing strategy for rapeseed: Concentrating homologous phenolics from meal to enhance oil quality
文献类型： 外文期刊
作者： Liu, Pei 1 ; Ni, Wei 2 ; Fu, Jing 3 ; Sun, Manman 5 ; Liang, Duweina 1 ; Chen, Wenchao 1 ; Ding, Xiaoxia 6 ;
作者机构： 1.Chinese Acad Agr Sci, Oil Crops Res Inst, Wuhan 430062, Peoples R China
2.Hubei Prov Hosp Tradit Chinese Med, Wuhan 430061, Peoples R China
3.Imperial Coll London, Dept Bioengn, London SW7 2AZ, England
4.Imperial Coll London, Imperial Coll Ctr Synthet Biol, London SW7 2AZ, England
5.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab High Magnet Field & Ion Beam Phys Biol, Hefei 230031, Peoples R China
6.Yazhouwan Natl Lab, Sanya 572000, Peoples R China
关键词： Antioxidation mechanism; Homologous phenolics; Phenolic-abundant rapeseed oil; Post-process or extensional strategy; Rapeseed meal
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.6； 五年影响因子：6.9 ）
ISSN： 0023-6438
年卷期： 2025 年 229 卷
页码：
收录情况： SCI
摘要： Oxidative-stability and nutritional-enhancement of rapeseed oil are positively related to phenolic content. This study developed a novel approach to improve oil quality by extracting phenolics from rapeseed meal (RSM) and incorporating them into the oil. Firstly, single-factor and response surface methodology were used to optimize the acidic-ethanol extraction condition. Through AB-8 resin purification, the resulting solid extract (RSME) achieved a total phenolic content of 406.63 mg sinapic acid equivalents (SAE)/g. Then, the influences of RSME on the antioxidation capacity of rapeseed oil were explored by POV and TBARS during accelerated storage at 60 degrees C. RSME at concentrations >= 0.6 g/L demonstrated superior oxidative stabilization of rapeseed oil compared to 0.2 g/L BHT (butylated hydroxytoluene). Although the main component, sinapic acid, exhibited stronger DPPH center dot scavenging activity than RSME, RSME showed better performance at equivalent concentrations on oil stability. This suggests synergistic contributions from other RSME components, including melanin identified here. In conclusion, a post-process or extensional strategy for rapeseed processing by condensing homologous phenolics from meal into oil for improving oxidative stability was established in this study, as a complementation for improving the protein quality in meal by removing anti-nutritional phenolics. The approach represents a sustainable, value-added utilization of rapeseed processing byproducts.
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