含有提取物的基于普鲁兰多糖的活性涂层用于保鲜马铃薯鲜切制品。
Active pullulan-based coatings incorporated with extracts for preserving potato fresh-cuts.
作者信息
An Zhaoxiang, Yuan Meng, Xu Xian, Huang Zhanwang, Zhu Liqin, Cai Zhipeng, Shen Yonggen
机构信息
Laboratory of Agro-Processing and Safety Control Engineering, Jiangxi Development and Reform Commission, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, 330045 China.
出版信息
Food Sci Biotechnol. 2023 Sep 4;33(5):1147-1161. doi: 10.1007/s10068-023-01420-z. eCollection 2024 Apr.
In the present study, polysaccharides (AAP) and proteins (AAPR) obtained from the waste products of were incorporated into pullulan (PUL) to obtain active packaging films/coatings. Results showed that incorporating AAP/AAPR into PUL-based films decreased their transparency, but increased the compactness, thermal stability, antioxidant, and antimicrobial properties. Adding 2% PUL films with 10%:10% of AAP/AAPR exhibiting good mechanical properties were applied to fresh-cut potatoes to avoid spoilage during eight days of storage, with significantly decreased in browning index, weight loss, microbial growth prevention and the total soluble solids was maintained. These results substantiated that pullulan containing AAP/AAPR as an active film/coating with antioxidant and antimicrobial properties has significant potential for maintaining safety and quality of fresh-cut potatoes and extending their shelf life.
在本研究中，从[具体产品]的废品中获得的多糖（AAP）和蛋白质（AAPR）被掺入普鲁兰多糖（PUL）中，以制备活性包装薄膜/涂层。结果表明，将AAP/AAPR掺入基于PUL的薄膜中会降低其透明度，但会提高其致密性、热稳定性、抗氧化和抗菌性能。添加2%且含有10%:10% AAP/AAPR的PUL薄膜表现出良好的机械性能，将其应用于鲜切土豆，可在八天的储存期内避免其变质，褐变指数显著降低，重量损失减少，微生物生长得到抑制，总可溶性固形物得以保持。这些结果证实，含有AAP/AAPR的普鲁兰多糖作为具有抗氧化和抗菌性能的活性薄膜/涂层，在保持鲜切土豆的安全性和品质以及延长其货架期方面具有巨大潜力。
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