The present invention relates to a composition for treating or preventing an inflammatory skin disease, comprising, as an active ingredient, an unripe Citrus unshiu fruit extract and/or Synephrine or salt thereof. The composition of the present invention prevents an inflammatory reaction by inhibiting activity of STAT6, expression of eotaxin-1 and an agglomeration function of eosinophil, and thus, shows effects of preventing and treating an allergic inflammatory disease, atopic dermatitis, eczema, psoriasis, etc. Also, the composition of the present invention does not have cytotoxicity and a skin side effect, and thus, can be safely applied to pharmaceutical products and cosmetics.

BIO SPERCTRUM, INC.

BIOSPECTRUM, INC.

Composition for treating or preventing inflammatory skin disease, comprising, as active ingredient, immature citrus fruit extract, or synephrine or salt thereof

This invention provides compounds having the structural formula: ##STR00001## wherein: R.sub.1 is an acyl or sulfonyl group, R.sub.2 is an acyl group selected from the group consisting of acyl groups derived from cycloaliphatic, aromatic or heterocyclic monocarboxylic acids, imidazolylcarbonyl and triazolylcarbonyl, and R.sub.3 is hydrogen or an amino-protecting group, a stereoisomer thereof, a solvate thereof, or a salt thereof, being useful as anti-inflammatory agents and anti-cancer agents.

synephrine/i̇ltihab

Composition for treating or preventing inflammatory skin disease, comprising, as active ingredient, immature citrus fruit extract, or synephrine or salt thereof

Synephrine derivatives useful as anti-inflammatory agents

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