Effects of Different Drying Methods on Physicochemical Properties and Nutritional Quality of Abalone Bioactive Peptides
文献类型： 外文期刊
第一作者： Li, Qiting
作者： Li, Qiting;Wei, Yingying;Liu, Yusha;Yang, Mengjie;Zhou, Shaoxiong;Li, Qiting;Li, Longxiang;Lai, Pufu;Wei, Yingying;Lai, Chunmei;Liu, Yusha;Yang, Mengjie;Zhou, Shaoxiong;Chen, Junchen;Sun, Junzheng;Li, Qiting;Li, Longxiang;Lai, Pufu;Wei, Yingying;Lai, Chunmei;Liu, Yusha;Yang, Mengjie;Zhou, Shaoxiong;Chen, Junchen;Sun, Junzheng;Li, Qiting;Li, Longxiang;Lai, Pufu;Wei, Yingying;Lai, Chunmei;Liu, Yusha;Yang, Mengjie;Zhou, Shaoxiong;Chen, Junchen;Sun, Junzheng;Li, Longxiang;Lai, Chunmei
作者机构：
关键词： bioactive peptide; protein; dried; physical and chemical properties; nutritional components
期刊名称：MOLECULES （ 影响因子：4.6； 五年影响因子：5.0 ）
ISSN：
年卷期： 2025 年 30 卷 7 期
页码：
收录情况： SCI
摘要： This study conducted a systematic comparison of four drying methods (vacuum freeze-drying, spray drying, spray freeze-drying, and hot air drying) on abalone bioactive peptides, investigating their effects on physicochemical properties and nutritional composition. Scanning electron microscopy revealed distinct morphological characteristics: hot-air-dried samples showed compact structures with large particles, and vacuum-freeze-dried samples exhibited flaky morphology, while spray-freeze-dried and spray-dried samples demonstrated advantageous smaller particle sizes. Spray freeze-drying achieved superior emulsification capacity and fat absorption, significantly higher than hot air drying. The enhanced performance was attributed to increased exposure of hydrophobic amino acid residues and improved surface activity. Regarding nutritional composition, vacuum freeze-drying demonstrated optimal protein and total amino acid preservation, while spray freeze-drying showed the highest retention of Ca and Fe. Interestingly, hot air drying exhibited superior vitamin A retention, attributed to its fat-soluble nature and stability below 100 degrees C. The particle size reduction in spray-freeze-dried samples enhanced solvent-solute contact area, contributing to improved solubility and consequently superior foaming properties. These findings provide valuable insights into the relationship between drying methods and product characteristics, offering guidance for optimizing processing conditions in marine protein production.
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