食品与发酵工业 >

2025 , Vol. 51 >Issue 12: 74 - 83

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.040176

研究报告

热风干燥参数对肉苁蓉微观结构的影响

  • 张乐道 ,
  • 焦茜 ,
  • 李霖宇
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  • (内蒙古科技大学 生命科学与技术学院,内蒙古 包头,014010)
第一作者:博士,副教授(通信作者,E-mail:nmzld2005@126.com)

收稿日期: 2024-06-13

  修回日期: 2024-08-27

  网络出版日期: 2025-07-11

基金资助

国家自然科学基金青年科学基金项目(52006109);内蒙古科技大学基本科研业务费专项资金项目(2023QNJS148)

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Effect of hot air drying parameters on microstructure of Cistanche

  • ZHANG Ledao ,
  • JIAO Xi ,
  • LI Linyu
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  • (School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou 014010, China)

Received date: 2024-06-13

  Revised date: 2024-08-27

  Online published: 2025-07-11

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摘要

为了获得品质可控的肉苁蓉制品,该文采用扫描电子显微镜观察了热风干燥肉苁蓉尖部处的金边表面、金边截面和内果肉在不同温度和切片厚度条件下的细胞形态,探究肉苁蓉内部细胞当量直径、圆度、伸长率和紧密度的微观结构变化。结果发现,热风干燥中肉苁蓉金边表面和截面处的细胞收缩程度极大,这两处在干燥后细胞面积、周长、当量直径大小较新鲜样品均缩小且大小相似,伸长率、圆度变化不一致且不明显,紧密度均增;肉苁蓉内果肉表面的细胞收缩程度相对较小,但细胞微观参数趋势变化与金边处相一致。对比金边与内果肉可得,干制后的内果肉细胞面积、周长、当量直径均比金边处大很多;紧密度也比金边处大,干制后金边处的细胞间排列较致密,细胞按比例收缩较高,各参数变化程度更为明显;内外果肉干燥后细胞形状较不规则。在干燥温度80 ℃、切片厚度4 mm时干燥后的肉苁蓉细胞形态大小整体较为均一。这些结果可为肉苁蓉的热风干燥工艺的开发提供实验数据。

关键词： 肉苁蓉; 热风干燥; 微观结构

本文引用格式

张乐道 , 焦茜 , 李霖宇 . 热风干燥参数对肉苁蓉微观结构的影响[J]. 食品与发酵工业, 2025 , 51(12) : 74 -83 . DOI: 10.13995/j.cnki.11-1802/ts.040176

Abstract

The complex pore structure inside determines the macroscopic drying characteristics and drying quality of Cistanche.To obtain controllable quality of Cistanche products, scanning electron microscope was used to observe the cell morphology of the surface, the section, and the inner pulp under different temperature and section thickness, and explore the microstructural changes of cell equivalent diameter, roundness, elongation, and tightness of Cistanche.Results indicated that the cell shrinkage at the surface and section of Cistanche in hot wind drying was great, and the cell area, circumference, and equivalent diameter were both smaller and similar compared with the fresh samples, the elongation and roundness were not consistent and not obvious, and the tightness increased.The degree of cell shrinkage on the pulp surface was relatively small, but the trend of microscopic cell parameters was consistent with the gold edge.Compared with the inner flesh and the inner flesh, the area, circumference, and equivalent diameter of the inner flesh were much larger than the inner diameter.After the drying, the cells shrank in a higher proportion, the variation of the parameters was more obvious, and the inner and outer flesh was irregular.The morphology of Cistanche cells was uniform at drying temperature of 80 ℃ and slice thickness of 4 mm.These results may provide experimental data for the development of hot wind drying process for Cistanche.

Key words： Cistanche; hot air drying; microstructure

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