Salicin derivatives from Salix glandulosa and their biological activities
- Authors
- Kim, Chung Sub; Subedi, Lalita; Park, Kyoung Jin; Kim, Sun Yeou; Choi, Sang Un; Kim, Ki Hyun; Lee, Kang Ro
- Issue Date
- Oct-2015
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Salbc glandulosa; Salicaceae; Salicin derivatives; Nitric oxide; Nerve growth factor
- Citation
- FITOTERAPIA, v.106, pp.147 - 152
- Journal Title
- FITOTERAPIA
- Volume
- 106
- Start Page
- 147
- End Page
- 152
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/10069
- DOI
- 10.1016/j.fitote.2015.08.013
- ISSN
- 0367-326X
- Abstract
- Two new salicin derivatives, saliglandin (1) and 6'-O-(Z)-p-coumaroylsalicin (2), along with fourteen known analogues (3-16) were isolated from the twigs of Salix glandulosa Seemen. The structures of 1-16 were characterized by the use of NMR methods (H-1 and C-13 NMR, H-1-H-1 COSY, HSQC and HMBC), chemical hydrolysis, and GC/MS. The full NMR data assignment of the known compounds 6, 13, and 14 are reported for the first time. Isolated compounds were evaluated for their nitric oxide (NO) inhibitory efficacy in lipopolysaccharide (LPS)-activated microglial cell (BV-2). Compounds 2, 5, 8-16 significantly inhibited NO production, compound 11 being the most efficacious (IC50 13.57 mu M) respectively. Moreover, compound 16 dramatically increased the nerve growth factor (NGF) production (165.24 +/- 11.1%) in C6 glioma cells. Taken together, these results revealed that salicin derivatives from Salix glandulosa might have potent effect as anti-neuroinflammatoty agents. (C) 2015 Elsevier B.V. All rights reserved.
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