Diequatorially Linked Pyranosides

1 p-(° 1 3)-Glucans. A range of names is given to naturally occurring 

regeneration of curdlan form II requires heating with water at 120 °C, and form III requires intensive drying of form II. The conformation changes can be readily monitored by CP-MAS NMR (chemical shift dilferences of up 

The p-(1 3)-glucans and their conformations are of interest because of their antitumour, antiviral and immunomodulating activities. Their presence in various mushrooms used as traditional medicaments in East Asia makes them one of the very few such medicaments to have a proven, beneficial elfect.  

Binding to lipooligosaccharide receptors and thereby modulating the release of nitric oxide,is the suggested mechanism. The single helical form of the molecule appears to be the active form.  

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