C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 45/78 (2006.01)
Patent
CA 2334625
An extract of Hypericum perforatum obtained by fractioning water-alcoholic, alcoholic or acetonic extracts of the plant with water-immiscible esters of C1- C5 alcohols.
La présente invention concerne l'obtention d'un extrait d'Hypericum perforatum. Le procédé consiste à utiliser des esters non miscibles dans l'eau d'alcools en C¿1?-C¿5? pour fractionner des extraits hydro-alcooliques, alcooliques ou acétoniques de la plante.
Bombardelli Ezio
Gabetta Bruno
Morazzoni Paolo
Indena S.p.a.
Kirby Eades Gale Baker
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