| abstract |
Disclosed are a pharmaceutical composition and a food composition for preventing or treating diabetes or obesity. A novel compound represented by the formula (1) synthesized from a compound isolated from a stereocauron alpinum extract, which is an Antarctic lichen, and prevention or treatment of diabetes or obesity containing the compound as an active ingredient Pharmaceutical composition and functional food. [Effect] Since the novel compound can be used as a PTP-1b (protein tyrosine phosphatase-1b) inhibitor for the treatment of diabetes, it is effective for the prevention or treatment of diabetes and obesity. [Selection figure] None |