壳聚糖植酸复合涂膜对鲜切苹果褐变及品质的影响

doi:10.16178/j.issn.0528-9017.20230194

摘要/Abstract

摘要：

为探究壳聚糖与植酸涂膜对鲜切苹果褐变及品质的影响,本试验采用1%壳聚糖、1%植酸和壳聚糖植酸复合涂膜处理鲜切苹果。研究结果表明,复合涂膜能够降低鲜切苹果的失重率、维持硬度和色差、减缓丙二醛(MDA)含量的上升,延缓苹果的褐变,抑制过氧化物酶(POD)、多酚氧化酶(PPO)活性,维持抗氧化活性物质维生素C和多酚的含量。贮存至第10天,复合涂膜的鲜切苹果MDA含量比对照低41.94%,初始总色差和贮后总色差的变化值比对照低42.40%。壳聚糖植酸复合涂膜在水果表面形成一层保护膜,是一种简便有效的贮存鲜切苹果的方法,效果优于壳聚糖或植酸单一处理。

关键词: 鲜切苹果, 壳聚糖, 植酸, 涂膜

中图分类号:

S661.1

张少英, 夏慧. 壳聚糖植酸复合涂膜对鲜切苹果褐变及品质的影响[J]. 浙江农业科学, 2023, 64(8): 1972-1976.

图/表 9

图1 不同涂膜对鲜切苹果失重率的影响

图2 不同涂膜对鲜切苹果硬度的影响

图3 不同涂膜对鲜切苹果褐变指数的影响

图4 不同涂膜对鲜切苹果色度ΔE的影响

图5 不同涂膜对鲜切苹果VC含量的影响

图6 不同涂膜对鲜切苹果总酚含量的影响

图7 不同涂膜对鲜切苹果POD活性的影响

图8 不同涂膜对鲜切苹果PPO活性的影响

图9 不同涂膜对鲜切苹果MDA含量的影响

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