大水性提取物的乳化特性:热处理和pH值修改的影响
Ángela Bravo-Núñez1, Matt Golding2, Manuel Gómez1
1Food Technology Area, College of Agricultural Engineering, University of Valladolid, 34071 Palencia, Spain.
Foods (Basel, Switzerland)
|October 28, 2023
概括
大水溶性化合物 (GWSC) 显示出作为天然食品乳化剂的潜力. 热和pH处理改变了GWSC的功能,影响了乳液滴滴的大小和稳定性,为食品应用提供了洞察力.
科学领域:
- 食品科学 食品科学 食品科学
- 合体和表面化学
- 自然产品化学 自然产品化学
背景情况:
- 关于大成分的功能性质,特别是它们的乳化能力的研究有限.
- 大的水溶性化合物 (GWSC) 包括蛋白质,素和碳水化合物,它们可能具有乳化特性.
- 了解这些特性对于探索新型天然食品乳化剂至关重要.
研究的目的:
- 评估大水溶性化合物 (GWSC) 的乳化特性.
- 研究热处理和pH调整对GWSC功能的影响.
- 评估GWSC度和过对乳液特性的影响.
主要方法:
- 大水溶性化合物 (GWSC) 经过热处理 (10分钟的温度为95°C) 并调整pH值 (2.5,3.5,7.8).
- 经过处理的提取物被直接使用或过 (0.45μm),以制备10%大豆油在水中的乳液,低 (0.48%) 和高 (6.55%) GWSC度.
- 用显微镜和视觉观察分析了乳液滴滴大小 (d32),和花.
主要成果:
- 在低GWSC度下,热量和酸化显著增加了油滴大小.
- 在高GWSC度下,热处理减少了滴滴大小和,但花持续存在.
- 在高GWSC度下,酸化会减少滴滴大小,但会诱导强烈的花.
- 过,去除蛋白质聚合物和氨酸小粒,增加乳液滴滴大小.
结论:
- 大水溶性化合物 (GWSC) 具有功能性乳化特性,受加工条件的影响.
- 热和pH处理可以调节GWSC的行为,影响乳液稳定性和滴滴大小.
- 特别是在适当加工时,GWSC是新型天然食品乳化剂的有希望的来源.
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