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Effective suppression of potato tuber sprouting using polysaccharide-based emulsified films for prolonged release of citral
Food Hydrocolloids ( IF 11.0 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.foodhyd.2020.105644
Hadar Arnon-Rips , Amit Sabag , Paula Tepper-Bamnolker , Dani Chalupovich , Yael Levi-Kalisman , Dani Eshel , Ron Porat , Elena Poverenov

Abstract Effective suppression of potato tuber sprouting was achieved using emulsified carboxymethyl cellulose (CMC)-based delivery systems for the natural antisprouting agent citral. The formation of coarse emulsions and nanoemulsions of citral was validated by DLS and cryo-TEM. The coarse-emulsified and nanoemulsified citral-CMC films were characterized using FTIR, TGA, and GC-MS, and compared with CMC films that contained direct citral addition. The emulsified films showed significant advantages compared to the direct addition of citral in terms of the active agent's content, chemical stability, prolonged release and effective inhibition of potato sprouting. Tubers packaged with directly added citral films showed no inhibition of sprouting after 14 days of storage at 20 °C, whereas 100% of sprouting inhibition was observed in tubers packaged with coarse-emulsified and nanoemulsified citral-CMC films. After 28 days of storage, coarse-emulsified and nanoemulsified citral-CMC films inhibited 60% and 80% of sprouting, respectively. Sprouting inhibition resulted in less tuber weight loss and preserve the tubers' organoleptic properties. To our knowledge, this is the first proposed solid-state formulation for the delivery of natural potato sprouting inhibitors. Furthermore, our delivery system can be adjusted for a wide range of other antisprouting agents. The suggested approach of using emulsified CMC films in retail bags can serve as active packaging to maintain potato quality and storability during marketing and household storage.

中文翻译:

使用多糖基乳化膜延长柠檬醛释放抑制马铃薯块茎发芽

摘要 使用基于乳化羧甲基纤维素 (CMC) 的天然抗发芽剂柠檬醛的递送系统实现了对马铃薯块茎发芽的有效抑制。柠檬醛的粗乳液和纳米乳液的形成通过 DLS 和冷冻 TEM 进行了验证。使用 FTIR、TGA 和 GC-MS 对粗乳化和纳米乳化的柠檬醛-CMC 薄膜进行表征,并与直接添加柠檬醛的 CMC 薄膜进行比较。与直接添加柠檬醛相比,乳化膜在活性剂含量、化学稳定性、缓释和有效抑制马铃薯发芽等方面具有显着优势。直接添加柠檬醛薄膜包装的块茎在 20°C 下储存 14 天后未显示出抑制发芽,而在用粗乳化和纳米乳化柠檬醛-CMC 薄膜包装的块茎中观察到 100% 的发芽抑制。储存 28 天后,粗乳化和纳米乳化柠檬醛-CMC 薄膜分别抑制了 60% 和 80% 的发芽。抑制发芽可减少块茎重量损失并保持块茎的感官特性。据我们所知,这是第一个提出的用于递送天然马铃薯发芽抑制剂的固态制剂。此外,我们的输送系统可以针对各种其他防发芽剂进行调整。在零售袋中使用乳化 CMC 薄膜的建议方法可以作为活性包装,以在营销和家庭储存期间保持马铃薯的质量和耐贮性。粗乳化和纳米乳化柠檬醛-CMC 薄膜分别抑制了 60% 和 80% 的发芽。抑制发芽可减少块茎重量损失并保持块茎的感官特性。据我们所知,这是第一个提出的用于递送天然马铃薯发芽抑制剂的固态制剂。此外,我们的输送系统可以针对各种其他防发芽剂进行调整。在零售袋中使用乳化 CMC 薄膜的建议方法可作为活性包装,以在营销和家庭储存期间保持马铃薯的质量和耐贮性。粗乳化和纳米乳化柠檬醛-CMC 薄膜分别抑制了 60% 和 80% 的发芽。抑制发芽可减少块茎重量损失并保持块茎的感官特性。据我们所知,这是第一个提出的用于递送天然马铃薯发芽抑制剂的固态制剂。此外,我们的输送系统可以针对各种其他防发芽剂进行调整。在零售袋中使用乳化 CMC 薄膜的建议方法可作为活性包装,以在营销和家庭储存期间保持马铃薯的质量和耐贮性。这是第一个提出的用于递送天然马铃薯发芽抑制剂的固态制剂。此外,我们的输送系统可以针对各种其他防发芽剂进行调整。在零售袋中使用乳化 CMC 薄膜的建议方法可作为活性包装,以在营销和家庭储存期间保持马铃薯的质量和耐贮性。这是第一个提出的用于递送天然马铃薯发芽抑制剂的固态制剂。此外,我们的输送系统可以针对各种其他防发芽剂进行调整。在零售袋中使用乳化 CMC 薄膜的建议方法可作为活性包装,以在营销和家庭储存期间保持马铃薯的质量和耐贮性。
更新日期:2020-06-01
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