Patent ID: 7621740
Filing Date: 2009-11-24
Classification: A61K,A61P,A61Q

Abstract:
1. A process for obtaining an extract of Mahonia aquifolium comprising the steps of: (a) applying heat and pressure to a stirred mixture of water, alcohol and crude dried Mahonia aquifolium , to heat the mixture to a temperature not higher than 50° C., and to a pressure between 3 and 6 psi; (b) processing the mixture with a grinder at a speed about 3000 rpm for about three hours; (c) allowing the mixture to cool under pressure for at least 24 hours; (d) repeating the last two steps at least twice more; (e) releasing the pressure and filtering the mixture to obtain a filtrate; (f) placing the filtrate under vacuum and heating the filtrate to a temperature not higher than 50° C. while stirring to reduce and remove the alcohol and water until the filtrate is approximately 6% of its original volume to obtain a heated filtrate; and (g) filtering the heated filtrate though a 5 micron filter to obtain the extract of Mahonia aquifolium.