Effects of high-humidity hot air impingement steaming on Gastrodia elata: steaming degree, weight loss, texture, drying kinetics, microstructure and active components
文献类型： 外文期刊
作者： Xie, Yong-Kang 1 ; Li, Xing-Yi 1 ; Zhang, Yue 1 ; Zheng, Zhi-An 1 ; Huang, Lu-Qi 2 ; Liu, Da-Hui 3 ; Xiao, Hong-Wei 1 ; L 1 ;
作者机构： 1.China Agr Univ, Coll Engn, Beijing 100083, Peoples R China
2.China Acad Chinese Med Sci, Inst Chinese Mat Med, Beijing 100700, Peoples R China
3.Hubei Univ Tradit Chinese Med, Coll Med, Wuhan 430065, Peoples R China
4.Henan Acad Agr Sci, Agr Prod Proc Ctr, Zhengzhou 450002, Peoples R China
关键词： Gastrodiaelata; High-humidity hot air impingement steaming; Steaming degree; Texture; Microstructure; Active components
期刊名称：FOOD AND BIOPRODUCTS PROCESSING （ 影响因子：4.481； 五年影响因子：4.547 ）
ISSN： 0960-3085
年卷期： 2021 年 127 卷
页码：
收录情况： SCI
摘要： Steaming is a key process affecting quality of herbal medicine Gastrodia elata (G. elata). This research investigated the effects of high-humidity hot air impingement steaming (HHAIS) on weight loss, texture, drying characteristics, microstructure, and active ingredients of G. elata, as well as the judgement of steaming degree. It was demonstrated that G. elata steaming degree was correlated to starch gelatinization and could be quantified by monitoring central temperatures of the cross section with the maximum diameter. While just well-steamed, the G. elata central temperature was around 62.8-67.2 degrees C, near to gelatinization temperature. Steaming led to decreased weight and shear hardness, while increased adhesion force and prolonged drying time. Hydrolysis of polysaccharide and gelatinization of starch granules were observed from microstructure of steamed G. elata, which confirmed changes in weight, texture and drying rate. Furthermore, steaming increased gastrodin content and decreased p-hydroxybenzyl alcohol content. (C) 2021 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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