| abstract |
The invention concerns concentrates of ursolic acid or itsnsalts and oleanoic acid, whereinn (i) ursolic acid and oleanoic acid or its salts are present innan total amount for the two of more than 22 wt %, preferably 30nto 65 wt % (ii) sugar residues are present in an amount of less than 40 wtn%, preferably less than 25 wt %, in particular in an amount ofn1 to 10 wt % (iii) while ursolic acid and oleanoic acid or its salts arenpresent in a weight ratio of more than 3.6, preferably 4.0 ton6.0 (iv) the balance being other materials, including glyceridesnand / or triterpenes other than ursolic acid and oleanoic acidnand a method to make these concentrates. |