RG-I regions from elderflower pectins substituted on GalA are strong immunomodulators

Sambuci flos, also known as elderflower, has traditionally been used and is still in use for treatment of various types of illnesses related to the immune system such as cold, flu, fever and inflammation. Pectic polysaccharides from 50% EtOH, 50 °C water and 100 °C water extracts from elderflowers were treated with endo-α-d-(1–4)-polygalacturonase after previous de-esterification with the intention of isolating hairy regions and relate variation...