与风味发展相关的微生物群签名有所区分 保护的原产地名称 水 牛 莫扎雷拉奶酪 来自不同生产区
Raffaele Magliulo1, Vincenzo Valentino2, Andrea Balivo2
1Department of Agricultural Sciences, University of Naples Federico II, Piazza Carlo di Borbone 1, 80055 Portici, Naples, Italy; NBFC - National Biodiversity Future Center, Palermo, Italy.
Food research international (Ottawa, Ont.)
|August 15, 2024
概括
对水牛摩扎雷拉 (BM) 的微生物组分析揭示了与其独特风味的地理联系. 在卡塞塔和萨勒诺生产区之间发现了不同的微生物多样性和挥发性化合物,突出了terroir的作用.
科学领域:
- 食品科学与技术 食品科学与技术
- 微生物学 微生物学
- 化学传感分析分析
背景情况:
- 水牛莫扎雷拉 (BM) 是一种来自意大利南部的受保护原产地名称 (PDO) 奶酪.
- 在其生产中使用了传统的回斜式方法.
- 了解生产区域,微生物群和风味之间的联系至关重要.
研究的目的:
- 调查PDO的地理来源,微生物组合和挥发性有机化合物 (VOC) 之间的关系.
- 来自卡塞塔和萨勒诺地区的BM多原子概况的特征.
主要方法:
- 微生物组分析的高通量猎枪元基因组测序.
- 气体染色学/质谱学 (GC/MS) 用于挥发性有机化合物分析.
- 来自57家奶厂的57个PDO BM样本的多原子特征.
主要成果:
- 一个核心微生物组,包括Streptococcus thermophilus,Lactobacillus helveticus和Lactobacillus delbrueckii亚种. 在所有样本中都发现了delbrueckii.
- 根据地理来源 (卡塞尔塔与萨勒诺) 聚合的微生物组分类概况.
- 与萨勒诺相比,卡塞尔塔的BM表现出更大的微生物多样性和独特的VOC档案.
结论:
- 微生物组及其代谢活动有助于BM的独特特征,定义其地形.
- 地理来源显著影响BM的微生物组和风味特征.
- 这些发现支持改善传统乳制品的可追溯性和欺诈防护.
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