Non-holostane and holostane triterpene glycosides from spawn of sea cucumber Apostichopus japonicus selenka

Sea cucumber Apostichopus japonicus Selenka, as a traditional tonic, has great edible value and a large-scale aquaculture variety in China. As its spawn has similar nutrients as body wall, residents in many countries often use spawn to make various delicious food, especially Japanese ferment it to m...

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Bibliographic Details
Published in:Journal of food composition and analysis 2022-06, Vol.109, p.104492, Article 104492
Main Authors: Wang, Xianyou, Li, Mingzhu, Bai, Yun, Du, Yaowu, Duan, Shaofeng
Format: Article
Language:English
Subjects:
Apostichopus japonicus
Spawn
Structure elucidation
Triterpene glycoside
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Summary:Sea cucumber Apostichopus japonicus Selenka, as a traditional tonic, has great edible value and a large-scale aquaculture variety in China. As its spawn has similar nutrients as body wall, residents in many countries often use spawn to make various delicious food, especially Japanese ferment it to make sauce. In this study, four new triterpene glycosides (1-4) together with a known holotoxin B (5) were obtained from it. New compounds were holotoxin S1-S3 (1-3) with rare 18(16)-lactone ring as well as holotoxin S4 (4) with an 18(20)-lactone group belonging to holostane type. Holotoxin B was firstly isolated from spawn of A. japonicus. The structures of four new molecules were elucidated based on extensive spectroscopic analysis and chemical tools. •Four new compounds were obtained in this paper.•Rare lactone ring produced by sea cucumber spawn.•Saponins differ in body wall and spawn.•First report on chemical constituents in sea cucumber spawn.
ISSN:0889-1575
1096-0481
DOI:10.1016/j.jfca.2022.104492