The most common flavonoid-containing supplements are Pycnogenol, grape seed extract, citrus flavonoids, quercetin, rutin, and soy isoflavones. |
Leaves of the plant are known to contain among other constituents cholorogenic acid, phloroglucinol, quercetin-3-O-beta-D-glucoside, rutin, and stigmasterol. |
The plants growing higher than 800 m above the sea level contained, on average, 4-fold higher amounts of rutin than plants growing lower than 200 m above the sea level. |
For reference rutin, quercetin, galangin and luteolin standards were used. |
Quercetin and rutin are common flavonoids in fruit and vegetables, and have been reported to affect bone development. |
We were fascinated by your use of rutin, since this flavonoid is a constituent in many herbs, including chamomile, elderberry and hawthorn. |