在卡拉布里亚单变种特级初橄油中对生物活性的储存影响 基于EFSA健康声明
Marialaura Frisina1, Sonia Bonacci1, Manuela Oliverio1
1Department of Health Science, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy.
Foods (Basel, Switzerland)
|October 28, 2023
概括
对于健康主张至关重要的特级初橄油 (EVOO) 化合物,在两个单品种油中进行了分析. 储存对这些有益的化物有影响,因此需要准确的量化方法来定价产品.
科学领域:
- 食品化学 食品化学
- 分析化学 分析化学
- 营养学科学 营养学科学
背景情况:
- 额外处女橄油 (EVOO) 具有公认的健康益处,特别是对于血脂水平,这是欧洲食品安全局 (EFSA) 承认的.
- 食品安全局的健康声明取决于EVOO中氧和其衍生物的特定度.
- 了解EVOO的特性和稳定性对于生产者来说至关重要,以满足这些监管标准并突出产品质量.
研究的目的:
- 描述卡拉布里亚两种单变种EVOO:Nocellara del Belice (VN) 和Dolce di Rossano (VDR) 的特征.
- 通过每月的分析,研究一年的储存对这些EVOO的secoiridoid组成的影响.
- 开发和验证一种新的UHPLC-ESI-HRMS方法,用于准确量化EVOO中的关键化合物.
主要方法:
- 开发和验证一种新的超高性能液体色谱-喷射电离-高分辨率质谱法 (UHPLC-ESI-HRMS) 方法.
- 量化七个关键的化合物:铁醇,氧铁醇,烯,烯酸,烯酸甘氨酸,烯酸,烯酸和烯酸.
- 在12个月的储存期内,对VN和VDR橄油每月监测烯化合物度.
主要成果:
- 经过验证的UHPLC-ESI-HRMS方法表现出高精度,检测极限 (LODs) 和量化极限 (LOQs) 较低 (分别为0.001-0.02 mg g-1和0.002-0.08 mg g-1).
- 变化系数为≤20%,回收率在89-109%之间,表明方法可靠性.
- 在12个月内,VN显示选定化合物的15%降低 (1258.781478.91毫克Kg-1),而VDR则经历了更显著的32%降低 (1408.222071.45毫克Kg-1).
结论:
- 开发的分析方法允许精确量化EVOO化合物,支持EFSA健康声明的合规性.
- 该研究强调了在储存过程中有益的secoiridoids的降解,VDR表现出比VN更大的损失.
- 准确的性分析和稳定性评估对于证明特级初橄油的营养价值和质量至关重要.
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