在棕油脂的后漂白过程中,3--1,2-二醇和甘基 Ester 的含量变化
Behiye Ebru Sahiner1, Merve Akpinar-Uzun1, Cansu Ekin Bonacina1
1Department of Food Engineering, Ankara University, Ankara, Türkiye.
概括
酸激活漂白土有效降低棕油脂中的过氧化物值和甘油基. 然而,3-MCPDE水平在很大程度上不受漂白土的类型或度的影响.
科学领域:
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 精炼,漂白和除臭 (RBD) 棕油的质量在长途运输中可能会降低.
- 漂白后的处理是必要的,以恢复质量,特别是关于污染物,如3-MCPDE和GE.
研究的目的:
- 评估不同漂白土 (BEs) 在减少进口RBD棕油中的3-MCPDE和GE含量的有效性.
- 评估BE对关键质量参数的影响,包括过氧化物值 (PV),颜色和合二烯/三烯.
主要方法:
- 四种类型的漂白土 (Tonsil® A,B,C,D) 在不同度 (0.5-3.0% w/w) 中进行了测试.
- 用酸激活,酸性和中性BEs来分析它们的特定作用.
- 质量参数包括PV,颜色 (L*,a*,b*),合二烯,三烯,3-MCPDE和GE在漂白后进行测量.
主要成果:
- 在3.0%的酸激活BEs (Tonsil® A和B) 显著降低了PV和GE含量.
- 3-MCPDE水平与BE类型或比率没有显著变化,尽管中性土产生了轻微的减少.
- 合三烯和L*值随着BE度的增加而增加,而红色和合二烯值则下降.
结论:
- 酸激活漂白土是最有效的改善PV和减少GE在进口RBD棕油脂.
- 漂白土的选择和度对于优化油品质至关重要,对3-MCPDE的影响最小.
- 进一步的研究可能会探索量身定制的漂白工艺,以解决特定的污染物和质量属性.
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