不同干燥方法对果的生物活性潜力和营养素的影响
1Department of Biosystems Engineering, Graduate School of Natural and Applied Sciences, Bursa Uludag University, Bursa, Turkey.
Scientific reports
|March 26, 2025
概括
使用不同的方法干燥,会影响其营养价值和生物活性化合物. 微波干燥,特别是在更高的功率和温度下,有效地减少水分,同时保留一些营养素,但自然干燥最大限度地提高了的生物可访问性.
科学领域:
- 食品科学与技术 食品科学与技术
- 农业工程 农业工程
- 营养生物化学 营养生物化学
背景情况:
- (Mespilus germanica) 是一种富含营养的水果,具有潜在的健康益处.
- 干燥是水果的常见保存方法,但它可能会影响其营养和生物活性特性.
- 优化干燥技术对于保持干燥木质的质量至关重要.
研究的目的:
- 研究各种干燥方法对中药的物理化学和生物活性特性的影响.
- 为了确定最佳的干燥条件,以保持梅德拉的营养和抗氧化潜力.
- 评估不同干燥模式下的化合物的生物可访问性.
主要方法:
- 骨髓样本经过自然阴影干燥 (25°C),对流干燥 (40-60°C),微波干燥 (200-600W) 和组合干燥技术.
- 监测了水分含量减少的情况.
- 确定了近似分析 (总蛋白质) 和矿物质含量 (P,K,Na,Cu,Mg,Mn,Zn,Ca,Fe).
- 评估了总含量 (TPC) 和抗氧化能力 (ABTS,DPPH,CUPRAC),以评估生物活性潜力和生物可访问性.
主要成果:
- 干燥时间差异很大,阴影干燥时间最长,600W-60°C最短.
- 在400W的微波干燥中,总蛋白质的结果最接近新鲜的.
- 矿物质含量各不相同,600W-60°C最大化P,K,Na和Cu,其他条件优化Mg,Mn,Zn,Ca和Fe.
- 自然干燥导致TPC的最高基生物可访问性.
- 抗氧化能力的生物可访问性各不相同,自然干燥,200W-50°C和400W-60°C分别显示ABTS,DPPH和CUPRAC的最高值.
- DPPH测定被确定为最适合用于抗氧化能力的测定方法.
结论:
- 干燥方法显著影响的营养成分和生物活性化合物保留.
- 微波干燥提供有效的去除水分,并可以保存某些营养素和矿物质.
- 自然干燥是优越的,最大限度地提高了化合物的生物可访问性.
- 干燥技术的选择应考虑所需的结果,无论是快速保存还是最大限度地利用特定的生物活性成分.
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