期刊
MOLECULES
卷 26, 期 23, 页码 -出版社
MDPI
DOI: 10.3390/molecules26237189
关键词
sea buckthorn; drying method; variety; phenolic compounds; UPLC-Q-TOF-MS; antioxidant activity
资金
- Major Project of Strategic Research and Consultation of the Chinese Academy of Engineering [2021-XZ-10]
- Jiansheng Fresh Medicine Innovation and Research Fund Project [JSJC-20200109-061]
- Innovation Team and Talents Cultivation Program of National Administration of Traditional Chinese Medicine [ZYYCXTD-D-202005]
This study revealed the influence of sea buckthorn varieties and drying methods on chemical components and antioxidant activity, showing higher levels in wild sea buckthorn berries and freeze-dried fruits. Narcissin and isorhamnetin-3-O-glucoside were identified as potential quality markers. Strong correlations were found between TPC, gallic acid, and antioxidant capacity. The results provide valuable insights for quality control and further development of sea buckthorn products.
Sea buckthorn berries are rich in bioactive compounds and can be used for medicine and food. The variety and drying method used have an important influence on quality. In this study, different sea buckthorn varieties from China were selected and dried with four common drying methods. The total phenolic content (TPC), total flavonoids content (TFC), contents of 12 phenolic compounds and antioxidant capacity in vitro were analyzed. The results showed that the TPC, TFC and antioxidant activity of two wild sea buckthorn berries were higher than those of three cultivated berries, and for the same varieties, measured chemical contents and antioxidant activity of the freeze-dried fruit were significantly higher than those obtained with three conventional drying methods. In addition, forty-one compounds in sea buckthorn berry were identified by UPLC-PDA-Q/TOF-MS, most of which were isorhamnetin derivatives. Multivariate statistical analysis revealed narcissin and isorhamnetin-3-O-glucoside varied significantly in sea buckthorn berries of different varieties and with different drying methods; they were potential quality markers. Strong correlations were found between TPC, gallic acid and antioxidant capacity (p < 0.05). The results revealed how components and antioxidant activity varied in different sea buckthorn, which provides a valuable reference for quality control and further development and utilization of sea buckthorn.
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