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Keywords = Codonopsis ussuriensis

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10 pages, 1208 KiB  
Article
Discovery and Characterization of Chemical Compounds That Inhibit the Function of Bacterial Neuraminidase from Codonopsis ussuriensis
by Sung Cheol Koo, Hyun Sim Woo, Jae Woo Kim, Yeong-Su Kim, Jeong Yoon Kim, Jang Hoon Kim, Jin Yu, Young Chang Kim and Dae Wook Kim
Appl. Sci. 2022, 12(12), 6254; https://doi.org/10.3390/app12126254 - 20 Jun 2022
Cited by 5 | Viewed by 1834
Abstract
Codonopsis ussuriensis (Rupr. and Maxim.) Hemsl is a medicinal herb commonly found in Korea, Japan, and the Russian Far East. However, its chemical composition and bioactivity have not been extensively studied. Thus, in this study, we aimed to examine and characterize the major [...] Read more.
Codonopsis ussuriensis (Rupr. and Maxim.) Hemsl is a medicinal herb commonly found in Korea, Japan, and the Russian Far East. However, its chemical composition and bioactivity have not been extensively studied. Thus, in this study, we aimed to examine and characterize the major components of the plant’s roots. Liquid chromatography with high-resolution mass spectrometry (LC-HRMS) was used to identify the components of the crude extracts. The compounds that were identified were named ussurienoside I (1) and tangshenoside I (2). The identified compounds were tested in vitro for inhibitory action against bacterial neuraminidase, and the mechanisms of inhibition were revealed. Compound 1 significantly inhibited bacterial neuraminidase activity in a dose-dependent manner (IC50 = 56.0 μM). The neuraminidase inhibitor (compound 1) exhibited mixed type-I kinetic characteristics. The LC-HRMS data showed that the root extracts contained eight compounds. The findings of this study may aid in the development of bacterial neuraminidase inhibitors with medicinal potential. Full article
(This article belongs to the Section Food Science and Technology)
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