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首页> 美国卫生研究院文献>Molecules >Development of Starch-Based Antifungal Coatings by Incorporation of Natamycin/Methyl-β-Cyclodextrin Inclusion Complex for Postharvest Treatments on Cherry Tomato against Botrytis cinerea
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Development of Starch-Based Antifungal Coatings by Incorporation of Natamycin/Methyl-β-Cyclodextrin Inclusion Complex for Postharvest Treatments on Cherry Tomato against Botrytis cinerea

机译：纳他霉素/甲基-β-环糊精包合物包埋复合物在基于番茄灰霉病的樱桃番茄收获后处理中的应用

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摘要

The application of natamycin as a natural fungicide in edible coatings is challenging because of its low aqueous solubility. In this study, the natamycin/methyl- -cyclodextrin (N/ME- -CD) inclusion complex was fabricated and incorporated into waxy corn starch-based coatings for postharvest treatments. The phase solubility of natamycin in the presence of ME- -CD at 293.2 K, 303.2 K, and 313.2 K is determined and used to calculate the process thermodynamic parameters. The N/ME- -CD inclusion complex was confirmed and characterized by FTIR and 1H NMR spectroscopy. The results indicated that the inclusion complex was formed and the hydrophobic part (C16-C26) of natamycin might be partially inserted into the cavity of ME- -CD form the wide rim. The effects of N/ME- -CD incorporated starch-based coatings (N/ME- -CD S coatings) on postharvest treatments of cherry tomatoes were evaluated in vivo. The N/ME- -CD S coatings could reduce weight loss, delay fruit ripening, and inhibit fruit decay caused by in tomato fruit during storage.
机译：那他霉素作为天然杀菌剂在可食用涂料中的应用具有挑战性，因为其水溶性低。在这项研究中，纳他霉素/甲基-环糊精（N / ME-CD）包合物被制造出来并掺入糯玉米淀粉基涂层中以进行收获后处理。测定在29-3.2K，303.2K和313.2K下存在ME-CD的那他霉素的相溶解度，并用于计算过程热力学参数。通过FTIR和1H NMR光谱确认并表征了N / ME--CD包合物。结果表明形成了包合物，纳他霉素的疏水部分（C16-C26）可能从宽边缘部分插入到ME-CD的腔中。体内评估了N / ME-CD淀粉基涂层（N / ME-CD S涂层）对樱桃番茄收获后处理的影响。 N / ME- -CD S涂层可以减少重量减轻，延迟果实成熟，并抑制番茄果实在贮藏过程中引起的果实腐烂。

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