Non-starch polysaccharides(NSP) is the main component of the cereals' by-products, and it is the main anti-nutritional factor restricting the nutrients digestibility and utilization by the animals.

Overheating treatment made considerable increase of protein content in dietary fiber, while the non-starch polysaccharides contents changed rarely.

Extraction, and isolation of water-soluble non-starch polysaccharides (WSNSP) from lily bulb without the use of protease was investigated.