发酵的山羊奶,富含乳种子粉末及其生物活性化合物:化学成分,颜色,质地,抗氧化活性,微生物质量和挥发性化合物概况
Zain Najjar1, Mayssa Hachem2, Abdelaziz Elbarbary3
1Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University (UAEU), Al Ain 15551, United Arab Emirates.
Journal of dairy science
|December 5, 2025
概括
乳种子 (MTS) 粉末及其乙醇提取物增强了发酵的山羊奶酸奶. 添加剂改善了抗氧化剂活性,微生物质量,并改变了酸奶的特性,如水分和挥发性化合物.
科学领域:
- 食品科学 食品科学 食品科学
- 营养保健品 营养保健品
- 乳制品技术 乳制品技术
背景情况:
- 乳 (Silybum marianum) 具有重要的抗氧化和抗炎性质.
- 它在功能性食品开发中的应用,特别是在乳制品中,正在引起人们的兴趣.
研究的目的:
- 调查乳种子 (MTS) 粉末及其乙醇提取物对发酵山羊奶酸奶质量的影响.
- 评估MTS丰富酸奶的抗氧化能力和生物活性化合物概况.
主要方法:
- 羊奶补充了0.5%,1%和2%的MTS粉末或乙醇提取物.
- 分析包括抗氧化活性测定 (DPPH,ABTS,FRAP),总含量,脂肪酸成分,水分含量,颜色,纹理和挥发性化合物.
- 样品在冷藏1天和14天后进行分析.
主要成果:
- 与其他提取方法相比,MTS乙醇提取物表现出优越的抗氧化活性和更高的总含量.
- 添加MTS显著影响了酸奶的特性,提取物丰富的样本显示出更高的水分含量.
- 酸奶的颜色,质地和挥发性概况发生了变化;对照样本中某些类素的含量较高,而MTS提高了整体抗氧化活性和微生物质量.
结论:
- 乳种子,特别是它们的乙醇提取物,可以有效地纳入山羊奶酸奶中,以增强其功能性质.
- 补充MTS对发酵山羊奶的抗氧化状态和微生物质量产生积极影响,为开发新型功能乳制品提供了潜力.
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