Extraction of bracken polysaccharides and their effects on the growth of Bifidobacterium;

Effect of Potentilla anserine polysaccharide on proliferation of splenic lymphocytes and production of nitric oxide in mice;

Effect of Potentilla anserine polysaccharide on signal transduction related molecules in murine immunocytes;

Effect of Potentilla anserine polysaccharide on levels of IL-6,IFN-γ and TNF-α in murine serum;

The study was carried out to investigate thymus index, splenic index and the level of serum activity of lysozyme in mice treated with cyclophosphamide (Cy)(100mg/kg) in vivo by intraperitoneal injection at different Potentilla anserine polysaccharide (PAP) doses of 50 mg/kg,100 mg/kg ,200 mg/kg or 400 mg/kg.

Study on the Technologic Conditions of Purifying Total Pteridium aquilinum Flavonoids by AB-8 Macro-resin Absorption;

Pre-treatment technology of pteridium aquilinum before quick freezing;

Effects of freezing process on quality of pteridium aquilinum and the change of enzymatic activity;

Study on technique of processing fern packaged with soft materials;

Determination of Copper and zinc in schisandra、arimillaria mellea and fern By Flame Atomic Absorption Spectrophotometry;

γ-aminobutyric acid in fern leaves and stems was extracted by leaking, isolated by column chromatography and guantitatively dctermined by dual wavelength thin layer scanning method.

Extract rough flavonoid from pteridium aquilinum var.

Using tender Pteridium aquilinum var.