| abstract |
The present invention relates to agents for protecting cells against active oxygen chemical species which are useful as constituents of cosmetics and can be prepared from the total or purified extract of plant materials, for example, leaves of Camellia sinensis L ., roots of alpinia officinarum Hance and roots of Scutellaria baicalensis Georgi containing biochemically active flavonoids such as (-) - epigallocatechin gallate, galangin or baicalein as the main constituent, and containing these flavonoids in large quantities. |