| abstract |
The present invention provides a fruit polyphenol obtained by subjecting unripe fruits of Rosaceae to pressing and/or extraction and then purifying the resulting juice or extract. The present invention further provides an antioxi-dant, a hypotensive agent, an antimutagenic agent, an anti-allergic agent and an anticariogenic agent each comprising, as an effective component, a fruit polyphenol obtained by subjecting unripe fruits of Rosaceae to pressing and/or extraction and then purifying the resulting juice or ex-tract. The fruit polyphenol of the present invention has various physiological activities, for example, an antioxida-tive activity, an ACE-inhibiting activity, an antimutagenic activity, a hyalulonidase-inhibiting activity and a GTase-inhibiting activity. |