Integration of volatile and non-volatile metabolite profile, and in vitro digestion reveals the differences between different preparation methods on physico-chemical and biological properties of Gastrodia elata
文献类型： 外文期刊
作者： Li, Shi 1 ; He, Xiahong 1 ; Zhang, Xuechun 1 ; Kong, Kin Weng 2 ; Xie, Jianhua 3 ; Sun, Jian 4 ; Wang, Zhenxing 1 ;
作者机构： 1.Southwest Forestry Univ, Coll Biol Sci & Food Engn, Key Lab Forest Resources Conservat & Utilizat Sout, Minist Educ,Yunnan Prov Key Lab Conservat & Utiliz, Kunming 650224, Peoples R China
2.Univ Malaya, Fac Med, Dept Mol Med, Kuala Lumpur 50603, Malaysia
3.Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Peoples R China
4.Guangxi Acad Agr Sci, Guangxi Key Lab Fruits & Vegetables Storage Proc T, Nanning 530007, Peoples R China
关键词： Gastrodia elata Blume; Processing and drying method; In vitro simulated digestion; Biological activity; Sensory assessment; Metabolite
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 463 卷
页码：
收录情况： SCI
摘要： Gastrodia elata Blume (G. elata) is a traditional medicinal and edible plant whose quality is significantly influenced by post-harvest processing. To obtain an optimal post-harvest processing method for G. elata, this study employed sensory evaluation, scanning electron microscopy (SEM), gas chromatography-ion mobility spectrometry (GC-IMS), and non-targeted metabolomics, in conjunction with an in vitro digestion model, to assess the impact of different processing and drying methods on the quality of G. elata. The findings showed that the steam treatment followed by heat pump drying resulted in the highest levels of total phenols, total flavonoids, and polysaccharides in G. elata, and caused more pronounced damage to its microstructure. This treatment also maintained the highest antioxidant activities and optimal acetylcholinesterase (AChE) inhibition capacity throughout in vitro digestion, meanwhile, effectively eliminating the unpleasant odor and achieving the highest sensory scores. Furthermore, non-targeted metabolomic analysis revealed noteworthy alterations in the metabolite profile of G. elata, mainly related to purine metabolism and the biosynthesis of amino acids pathways. This study provides valuable insights into the post-harvest processing of G. elata.
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