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Effect of drying method on post-processing stability and quality of 3D printed rose-yam paste
Drying Technology ( IF 3.3 ) Pub Date : 2020-12-04
Chunyan Feng, Min Zhang, Zhenbin Liu, Arun Mujumdar, Yuchuan Wang, Lu Chang

Abstract

The addition of rose pollen to the yam paste for 3D printing could not only meet consumers' needs for nutrition and health, but also provide a new way to achieve personalized customization of healthy food. In this work, the rose-yam paste was selected as material, by comparing the post-treatment shape and color stability, bioactive substance content and hardness to explore the effect of hot air drying (HD), microwave vacuum drying (MVD) and freeze drying (FD) on the stability and quality of printed products. FD products illustrated the best post-processing stability, while HD products were the worst. FD products had a higher anthocyanin retention rate of 72.45% and a higher total phenol content of 31.33 mg/100g. However, FD products showed the lowest hardness. Although MVD products showed lower sensory score in appearance and color than FD products, their flavor score was higher than FD products, and the total sensory score of MVD products was equivalent to FD products. Moreover, MVD illustrated the highest drying efficiency, and a reduction of 84% drying time was obtained when compared with FD. Therefore, the combination of MVD and 3D printing could obtain the best quality products. This study would provide useful information on the development of post-processed high value-added 3D printed products, especially for the bio-active substances.



中文翻译:

干燥方法对3D打印玫瑰山药糊的后加工稳定性和质量的影响

摘要

在山药糊中添加玫瑰花粉以进行3D打印不仅可以满足消费者对营养和健康的需求,而且还为实现个性化定制健康食品提供了新途径。在这项工作中,通过比较后处理的形状和颜色稳定性,生物活性物质含量和硬度来选择玫瑰山药糊作为材料,以探索热风干燥(HD),微波真空干燥(MVD)和冷冻的效果干燥(FD)对印刷产品的稳定性和质量的影响。FD产品表现出最好的后处理稳定性,而HD产品表现最差。FD产品的花青素保留率更高,为72.45%,总酚含量更高,为31.33 mg / 100g。但是,FD产品显示出最低的硬度。尽管MVD产品在外观和颜色上的感觉得分低于FD产品,但其风味得分却高于FD产品,并且MVD产品的总感觉得分与FD产品相当。此外,MVD显示出最高的干燥效率,与FD相比,干燥时间减少了84%。因此,将MVD和3D打印结合使用可获得最佳质量的产品。这项研究将提供有关后处理高附加值3D打印产品开发的有用信息,特别是对于生物活性物质。MVD和3D打印相结合可以获得最优质的产品。这项研究将提供有关后处理高附加值3D打印产品开发的有用信息,特别是对于生物活性物质。MVD和3D打印相结合可以获得最优质的产品。这项研究将提供有关后处理高附加值3D打印产品开发的有用信息,特别是对于生物活性物质。

更新日期:2020-12-04
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