Characterization and in vitro immunomodulatory screening of fructo-oligosaccharides of Asparagus racemosus Willd.

► First report on the role of fructans from Asparagus racemosus on augmentation of Natural Killer cell activity. ► A. racemosus polysaccharide characterization and evaluation of its biological application. ► Toxicity evaluation of the fructan on P388 cells.