Masaaki Nasu

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Recent studies have shown that dietary phospholipids, especially phosphatidylcholine and phosphatidylserine, have various beneficial biological effects. However, there are not enough data concerning the physiological function of dietary phosphatidylinositol (PI). The metabolic syndrome, a cluster of metabolic abnormalities such as dyslipidemia, diabetes(More)
Guaiac resin, extracted from the heartwood of Guaiacum officinale L. or G. sanctum L., is speculated to have anti-inflammatory effects. Lignans were purified from guaiac resin (also known as gum guaiacum) by monitoring the nitric oxide (NO) production in rat hepatocytes treated with an inflammatory cytokine interleukin-1β (IL-1β). Six lignans were purified(More)
Although phosphatidylinositol (PI) is an important component in all plants and animals, there is no toxicity report when purified PI is orally administrated to animals. As a safety evaluation of PI, acute, subchronic and genotoxicity studies were conducted with purified PI from soy lecithin (Asahi Kasei PI). Up to 2,000 mg/kg of Asahi Kasei PI was(More)
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