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Abstract Peony (Paeonia suffruticosa Andr.) seed oil (PSO) has been identified as novel resources of α-linolenic acid (ALA) in China. In this study, fatty acid mixture (FAM) and ALA were… Click to show full abstract
Abstract Peony (Paeonia suffruticosa Andr.) seed oil (PSO) has been identified as novel resources of α-linolenic acid (ALA) in China. In this study, fatty acid mixture (FAM) and ALA were obtained during the extraction of ALA from PSO by freezing crystallization and column chromatography. The oil-in-water microemulsion (ME) was selected as the delivery system to strengthen the stability of unsaturated bonds and improve the solubility of those lipophilic fatty acids. The ME samples were characterized by particle size measurement, transmission electron microscope (TEM), differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy, and rheological measurement, and their stability was evaluated and compared by 60 days of storage and pasteurization heat treatment methods. The stability of the three ME samples was found to be ALA-ME > FAM-ME > PSO-ME due to the increased molecular weight and complex structure of the load. The ALA-ME system sustained a stable particle size (
Journal Title: Industrial Crops and Products
Year Published: 2021
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