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Short Paper | Regular issue | Vol 104, No. 6, 2022, pp.1141-1147
Published online, 5th April, 2022
DOI: 10.3987/COM-22-14651
Macrocarquinoid D, New Meroterpenoid from Brown Alga, Sargassum macrocarpum

Seiya Shinoda, Shin-ichiro Kurimoto, Takaaki Kubota, and Mitsuhiro Sekiguchi*

*Food analysis laboratory, Bioresources and Environmental Sciences, Food Science, Isikawa Prefectural University, 1-308, Suematsu, Nonoichi-shi, Ishikawa, Japan


A new meroterpenoid, macrocarquinoid D (1) and 11 known meroterpenoids were isolated from brown algae, Sargassum macrocarpum. The structure of 1 was elucidated with NMR spectral data using 2D techniques. The DPPH radical scavenging and AGEs inhibitory activity of isolated compounds were examined.