Edible Coating with Encapsulated Antimicrobial and Antibrowning Agents via the Emerging Electrospinning Process and the Conventional Spray Drying: Effect on Quality and Shelf Life of Fresh-Cut Potatoes

IF 2.3 3区农林科学 Q1 AGRONOMY Potato Research Pub Date : 2024-06-29 DOI:10.1007/s11540-024-09756-7

Zoi Tsakiri-Mantzorou, Christina Drosou, Alexandra Mari, Marina Stramarkou, Konstantina Theodora Laina, Magdalini Krokida

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Abstract

The present study investigated the impact of edible coatings containing encapsulated antimicrobial and antibrowning agents on the quality and shelf life of fresh-cut potatoes. Polysaccharides extraction from potato peels using ultrasound/microwave-assisted extraction (UAE/MAE) was optimized via central composite design (CCD) and response surface methodology (RSM). Maximum starch recovery (216.55 ± 10.37 mg amylose/g potato peel) was achieved with UAE. Starch, pectin, and chitosan combination was the basis of the coatings. Rosemary essential oil (REO) and ascorbic acid (AA) were selected as antimicrobial and antioxidant agents, incorporated in free or encapsulated form via spray drying (SP) and electrospinning (EL). Over 14 days at 4 °C, coated potatoes exhibited improved appearance, reduced browning, enzyme activity, weight loss, hardness, and microbial load compared to controls. Notably, the potato starch-pectine coating with encapsulated REO/AA effectively inhibited browning and microbial growth, demonstrating the potential of edible coatings to enhance freshness and shelf life in fresh-cut potatoes.

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通过新兴的电纺丝工艺和传统的喷雾干燥法获得包裹抗菌剂和防褐变剂的食用涂层：对新鲜马铃薯质量和货架期的影响

摘要本研究调查了含有封装抗菌剂和防褐变剂的可食用涂层对鲜切马铃薯的质量和货架期的影响。通过中心复合设计（CCD）和响应面方法（RSM）对使用超声波/微波辅助萃取（UAE/MAE）从马铃薯皮中提取多糖进行了优化。使用 UAE 实现了最大的淀粉回收率（216.55 ± 10.37 毫克直链淀粉/克马铃薯皮）。淀粉、果胶和壳聚糖的组合是涂层的基础。迷迭香精油（REO）和抗坏血酸（AA）被选为抗菌剂和抗氧化剂，通过喷雾干燥（SP）和电纺丝（EL）以游离或包裹形式加入。在 4 °C 下放置 14 天后，与对照组相比，包衣马铃薯的外观有所改善，褐变、酶活性、重量损失、硬度和微生物负荷均有所降低。值得注意的是，包裹了 REO/AA 的马铃薯淀粉-pectine 涂层有效地抑制了褐变和微生物的生长，证明了可食用涂层在提高鲜切马铃薯的新鲜度和货架期方面的潜力。

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来源期刊

Potato Research AGRONOMY-

CiteScore

5.50

自引率

6.90%

发文量

审稿时长

>12 weeks

期刊介绍： Potato Research, the journal of the European Association for Potato Research (EAPR), promotes the exchange of information on all aspects of this fast-evolving global industry. It offers the latest developments in innovative research to scientists active in potato research. The journal includes authoritative coverage of new scientific developments, publishing original research and review papers on such topics as: Molecular sciences; Breeding; Physiology; Pathology; Nematology; Virology; Agronomy; Engineering and Utilization.