Patent ID: 6440436
Filing Date: 2002-08-27
Classification: A23L,A23V

Abstract:
A composition comprising:(a) at least 0.3% by weight of bioactive oxygenated dibenzo-&agr;-pyrones (DBPs), or their esters; present as monomer, dimer and/or tetramers, including free and metal-ion conjugate forms thereof, and (b) fulvic acids of low-to-medium molecular weight, {overscore (M)}n 700-2000, having an E4/E6 absorption ratio of 8 to 10 at &lgr;465/665 nm, which ensure the bioavailability of DBPs by acting as an efficient carrier for the DBPs, which is obtained by successive extractions of native shilajit with water and an organic solvent, which substantially retains bioactive free and metal-ion conjugate DBPs in the composition, followed by adjustment of the pH of the resultant residue to substantially remove polymeric quinones and humus, and humic acids from the composition.