物理化学性质,非挥发性物质和微生物多样性之间的关系在干燥制西班牙鱼的加工过程中
Shanyu Wang1, Chong Jian2, Ling Zhao2
1College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China; Department of Food Engineering and Nutrition, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China.
Food research international (Ottawa, Ont.)
|January 8, 2025
概括
特定的微生物增强了干西班牙 (DCSM) 的风味和质量. 这项研究将微生物多样性与DCSM加工过程中的物理化学变化和风味化合物联系起来.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 分析化学 分析化学
背景情况:
- 消费者对高质量的干鱼的需求需要了解加工影响.
- 干西班牙 (DCSM) 中微生物群落,化学变化和感官属性之间的复杂相互作用仍然不完全理解.
研究的目的:
- 研究微生物多样性与DCSM固化过程中的物理化学性质和非挥发性风味化合物的演变之间的关系.
- 为了确定影响DCSM质量和风味的特定微生物.
主要方法:
- 监测水分含量,化 (NaCl),硬度,性和酸盐水平的变化.
- 分析不易挥发的风味化合物,包括氨基酸 (谷氨酸,氨酸,氨酸) 和核酸 (氨酸单酸,氨酸单酸,氨酸单酸,氨酸单酸).
- 描述微生物多样性 (蛋白质细菌,光细菌) 并将特定的属 (光细菌,莫里特拉,假菌) 与化学和风味参数相关联.
主要成果:
- 在固化过程中,水分含量下降,NaCl增加,硬度/度显著增加.
- 亚酸盐含量保持在国家安全标准 (1.52 mg/kg) 的范围内.
- 谷氨酸,氨酸,氨酸和核酸 (IMP,AMP,GMP) 的协同作用增强了乌玛米的味道. 特定的微生物如光细菌,Moritella和Pseudomonas与风味化合物正相关,与脂质氧化标记物 (TBARS) 和酸盐负相关.
结论:
- 微生物活动显著影响DCSM的物理化学特性和风味特征.
- 特定的细菌系在增强DCSM的可取感官属性方面发挥着至关重要的作用.
- 了解这些微生物-味道-质量关系可以优化DCSM生产,提高消费者满意度和产品质量.
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