Highest concentrations of (2R,3R)-(+)-glucodistylin, (2S,3S)-(-)-glucodistylin and 3-O-( -d-xylopyranosyl)taxifolin occur in European beeches can strongly infest with beech scale.

129212-92-6

C21H22O12

466.39

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years