2012 | OriginalPaper | Chapter
Evaluation of Nano-packing on the Shelf Life of Fresh-Cut Lotus Root (NelumbonuciferaGaerth)
Authors : Yulong Ding, Juan Yun, Xihong Li, Yao Tang, Yuqian Jiang
Published in: Advances in Technology and Management
Publisher: Springer Berlin Heidelberg
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The effect of nanocomposite low-density polyethylene (LDPE) films containing ZnO and silver nanoparticles on preservation of lotus root (NelumbonuciferaGaerth) store at 4 °C for 12 days was investigated. The nano-packing not only suppressed the growth of aerobic bacteria (<4 log cfu g−1), but also inhibited the increasing of yeast and molds, the maximum growth of which reached only 3.3 log cfu g−1 in the nano-packing while 5.6 log cfu g−1 in control. The least degradation of ascorbic acid (AA) (39.2 mg/100 g) and browning rate (0.56) were observed in package containing nano-ZnO and nanosilver particles. Fruit decay and MDA content were efficiently reduced in nano-packing samples. The results reveal that nano-ZnO and nanosilver coated film as an alternative non-thermal technology can extend the shelf life of fresh-cut lotus root up to 9 days.