A purpose of the present invention is to provide an anti-inflammatory agent, a TNF-a production inhibitor, and an IL-10 production promotor which contain a plant-derived active ingredient. Another purpose of the present invention is to provide a food or beverage composition and a skin external application composition which contain a plant-derived active ingredient and which have an anti-inflammatory effect. The anti-inflammatory agent, the TNF-a production inhibitor, and the IL-10 production promotor contain a plant-derived polyamine-containing extract. The plant-derived polyamine-containing extract includes a less-than-1 kDa fraction. The less-than-1 kDa fraction contains an active ingredient. The food or beverage composition and the skin external application composition contain the anti-inflammatory agent.

You do not currently have access to this content.