Allergen-free St. Johns wort extract prodn. to prevent skin tumour - by macerating mechanically comminuted St. Johns wort and camomile with a plant oil e.g. wheat germ, thistle, sunflower seed, etc.

摘要

Prodn. of allergen-free St. John's wort oil extract comprises macerating together (i) a mixt. of mechanically comminuted St. John's wort with mechanically comminuted camomile in a wt. ratio of 1:20 to 20:1, esp. 10:1 and (ii) a plant oil in a ratio (i):(ii) of 1:1 to 1:50, esp. 1:10. The plant oil used is esp. wheat germ oil, thistle oil, maize germ oil, palm kernel oil, soya oil, sunflower seed oil, rape oil or groundnut oil. USE/ADVANTAGE - The prod. can be applied to the human skin without causing light-induced allergies. It is useful for prodn. of cosmetics and pharmaceutical agents, esp. for prophylaxis of ozone- and UV induced (via radical formation) skin tumors.