使用油性酵母Apiotrichum brassicae的微生物生产食品脂质
Fiona Småros1, Virve Vidgren1, Kato Rondou2
1VTT Technical Research Centre of Finland, Tekniikantie 21, 02044 VTT Espoo, Finland.
Food research international (Ottawa, Ont.)
|January 8, 2025
概括
油性酵母Apiotrichum brassicae产生类似于可可黄的食用脂质. 通过菌株或工艺工程来定制其脂质特征,为食品应用提供了可持续的替代方案.
科学领域:
- 生物技术和食品科学 生物技术和食品科学
- 微生物的脂质生产
- 可持续的油化学品 可持续的油化学品
背景情况:
- 对可持续可食脂的需求日益增长.
- 目前动物和植物性脂肪和油的限制.
- 油性酵母作为替代来源的潜力.
研究的目的:
- 选油性酵母用于食用脂质的生产.
- 评估Apiotrichum brassicae作为一个候选.
- 描述A. brassicae的脂质,并将其与商业脂肪进行比较.
主要方法:
- 对11种油性酵母菌种进行选.
- 在乳制品侧流中种植A. brassicae.
- 脂质特征分析 (脂肪酸和三糖醇组成).
- 数字全息图用于脂质滴滴可视化.
- 试点规模生产,采用酶性/超声波处理和溶剂提取 (黑/乙醇).
- 热分析 (化,结晶) 和固体脂肪含量测量.
- 与牛肉脂肪,可可黄油,棕油和牛奶脂肪进行比较.
主要成果:
- 鉴定出Apiotrichum brassicae作为一个多功能候选种子.
- 从乳制品侧流产生的脂质与可可黄相似.
- 脂肪酸和三糖醇的概况因基质而异.
- A. brassicae 脂质的和脂肪酸含量较低,导致化和结晶温度降低.
- 微生物脂质含有主要的三糖醇,类似于可可黄.
- 分化证明了生产相当于牛肉脂肪,可可黄油或棕油的潜力.
结论:
- 阿皮奥特里 (Apiotrichum brassicae) 是一种有希望的酵母,可以生产量身定制的食用脂质.
- 微生物脂质提供了一个可持续的替代品,具有可调节的技术功能特性.
- 菌株和工艺工程,以及下游加工,可以为各种食品应用优化脂质配置.
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