GMP Nutraceuticals
X-Ray Contrast MediaBio-Quercetin
Quercetin, a substance marketed as a food supplement, is present in many plants, but for practical purposes it is derived from rutin (quercetin-3-O-rhamnoglucoside), which is treated with acid to obtain quercetin. Rutin is isolated from the seed pods of the Brazilian shrub “fava d´anta” (Dimorphandra mollis). There is significant evidence in the literature concerning anti-proliferative and cell growth regulating properties of quercetin.
Most of these studies were carried out in vitro (cell culture). Quercetin in vivo, however, is poorly resorbed from the gastrointestinal tract. Fortunately, another form of quercetin, isoquercitrin (quercetin-3-O-glucoside), is much better resorbed due to the carbohydrate portion of the molecule. Its increased resorption, compared to quercetin and rutin, has been amply documented in the literature.
Interpharma Praha has developed a proprietary procedure for conversion of the inactive precursors in Dimorphandra mollis to the biologically resorbable and therefore active isoquercitrin. This product is a concentrated and purified herbal extract which is analytically standardized to contain min. 50% (w/w) isoquercitrin.
This product is prepared, analyzed and certified under Good Manufacturing Practice rules in a plant inspected by the National Regulatory Authorities.