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- Title
Discovery of 2 New Dibenzocyclooctadiene Lignans Cauliflorins A and B From Schisandra cauliflora.
- Authors
Trang, Bui Thi Thu; Hoang, Nguyen Huy; Yen, Pham Hai; Trang, Do Thi; Cuc, Nguyen Thi; Yen, Duong Thi Hai; Kim, Jinyoung; Choi, Junjung; Kim, Seung Hyun; Tai, Bui Huu; Nhiem, Nguyen Xuan; Kiem, Phan Van
- Abstract
Sarcopenia is having a serious impact on highly aged populations. A Japanese traditional medicinal remedy containing Schisandra fruits and Astragalus roots recently showed effective treatment of sarcopenia and thus needed to be investigated further. This current study selected Schisandra cauliflora fruits for investigation of their chemical constituents and evaluation of their antisarcopenia effects. Dried S cauliflora fruits were ultrasonically extracted with methylene chloride. This extract was purified by a combination of chromatographic techniques. The isolated compounds were characterized by nuclear magnetic resonance spectroscopy, electronic circular dichroism, and high resolution electrospray ionization mass spectrometry methods. Antisarcopenia activities of the isolated compounds were evaluated by their effects on the viability and proliferation of C2C12 skeletal muscle cells. Seven dibenzocyclooctadiene lignans, including 2 that had been previously undescribed, cauliflorins A and B (1 and 2), ananolignan C (3), 6- epi -ananolignan D (4), ananolignan F (5), ananonin H (6), and ananonin J (7) were isolated from the methylene chloride extract of the fruits of S cauliflora. The C2C12 cells treated with compounds 1 - 7 (5 µM) exhibited proliferation in the range of 75.7% ± 7.4% to 98.2% ± 11.7%, compared to 100.0% ± 6.0% of the untreated cells. Two previously undescribed and 5 known dibenzocyclooctadiene lignans were isolated from S cauliflora fruits. All the isolated compounds were inactive on the proliferative enhancement of C2C12 skeletal muscle cells.
- Subjects
ELECTROSPRAY ionization mass spectrometry; SCHISANDRA; NUCLEAR magnetic resonance spectroscopy; LIGNANS; DICHLOROMETHANE
- Publication
Natural Product Communications, 2023, Vol 18, Issue 5, p1
- ISSN
1934-578X
- Publication type
Article
- DOI
10.1177/1934578X231176406