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  • 标题:Correlation analysis between filamentous fungi and chemical compositions in a pu‐erh type tea after a long‐term storage
  • 本地全文:下载
  • 作者:Binxing Zhou ; Cunqiang Ma ; Xiaoying Ren
  • 期刊名称:Food Science & Nutrition
  • 电子版ISSN:2048-7177
  • 出版年度:2020
  • 卷号:8
  • 期号:5
  • 页码:2501-2511
  • DOI:10.1002/fsn3.1543
  • 出版社:John Wiley & Sons, Ltd.
  • 摘要:Storage environment caused the difference between Jinhua Pu‐erh tea (JPT) and General Pu‐erh tea. In this study, fungal flora and chemical compositions were analyzed. The results showed that storage environment caused significant ( p < .05) differences of theaflavins (TF), theabrownins (TB), tea polyphenols (TP), and water‐soluble sugars (WSS), and a highly significant ( p < .01) difference of thearubigins (TR). Aspergillus niger , Aspergillus pallidofulvus , Aspergillus sesamicola , Penicillium manginii, and Aspergillus tamarii were isolated from Pu‐erh teas and identified based on colony characteristics and ITS, β‐tubulin, and calmodulin gene sequences, respectively. A. pallidofulvus , A. sesamicola , and P. manginii were dominant fungi in JPT and generated macroscopic yellow cleistothecia after a long‐term storage. Correlation analysis showed that dominant fungi exhibited significantly ( p < .05 or p < .01) positive or negative corrections with TF, TB, TP, WSS, TR, and gallic acid. This study revealed dominant fungi including A. pallidofulvus, A. sesamicola , and P. manginii and their effects on given chemical compositions.
  • 关键词:filamentous fungi;liquid chromatography;metabolites;storage;tea
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