The invention relates to a process for producing a fraction containing 3-0-Acetyl-11-Keto-β-boswellic acid (AKBA) greater than 30% and with high bulk density from an extract containing a mixture of boswellic acids. The extract is acetylated and oxidized in a single pot and purified by controlled adjustment of pH wit...

This invention relates to process for preparing protected 5-hydroxyproline which comprises the following steps a) dissolving N-alkoxycarbonyl /acyl protected L-pyroglutamic acid ester in methanol and cooling to -30°C to 0°C; b) adding 0.5-5.0 mole ratio of sodium borohydride at a temperature of -30°C to 0°C; c) trea...

This invention relates to a process for the preparation of curcuminoids mixture which comprises the following steps : a. reacting the mixture of vanillin and p-hydroxybenzaldehyde with acetyl acetone in trialkylborate in presence of n-butyl amine without any other organic solvent; b. heating the reaction mixture for...