丰富水果皮的营养价值通过固态发酵与Aspergillus ibericus和Rhizopus oryzae进行固态发酵
Liliana P Araújo1, Helena Vilela1, Joana Solinho2
1CEB-Centre of Biological Engineering, Campus de Gualtar, University of Minho, 4710-057 Braga, Portugal.
Molecules (Basel, Switzerland)
|August 10, 2024
概括
果皮 (FPs) 可以通过使用真菌的固态发酵 (SSF) 升级. 这一过程增强了蛋白质和抗氧化剂的活性,从废物中创造了富含营养的食物成分.
科学领域:
- 生物技术是生物技术.
- 食品科学 食品科学 食品科学
- 循环经济是一个循环经济.
背景情况:
- 水果加工产生大量的副产品,主要是水果皮 (FPs),往往会在垃圾填埋场.
- 在生物技术应用中利用FP促进循环经济,减少浪费并提高行业收入.
研究的目的:
- 为了提高皮 (OPs) 和香皮 (BPs) 的营养价值,使用线状真菌进行固态发酵 (SSF).
- 为了优化SSF条件,并确定有效的真菌菌株,用于皮肤生物转化.
主要方法:
- 使用Plackett-Burman设计选SSF因子 (水分,发酵时间,注射剂大小,硫酸 (AS) 和玉米液 (CSL)) 和真菌物种 (Aspergillus ibericus,Rhizopus oryzae).
- 优化A. ibericus的关键因素 (水分,AS,CSL) 使用盒子-Behnken设计.
- 分析蛋白质,纤维,矿物质,碳水化合物和抗氧化剂活性的变化.
主要成果:
- A. ibericus和R. oryzae都在未经处理的FP上成功生长,增加了蛋白质含量和抗氧化活性.
- 优化SSF条件导致了显著的营养改善:OP显示200%的蛋白质增加70%的水分和0.005g/gAS;BP显示123%的蛋白质增加70%的水分和0.005g/gCSL.
- 发酵皮富含蛋白质,纤维和矿物质,减少碳水化合物和可溶糖,与未发酵皮相比,具有更高的抗氧化活性.
结论:
- 固态发酵是将水果皮升级为富含营养成分的有效方法.
- 这种生物转化过程提供了一种可持续的方法,用于将水果加工废物用于食品应用.
- 这项研究表明,使用A. ibericus和R. oryzae可以提高子和香皮的营养成分.
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