1, Flavonoids of pteridium aquilinum var. latiusculum are mainly flavone and flavonol including rutin.

2, Wild pteridium aquilinum of Yanbian area was introduced through. sporesbreeding and was planting wildly on the Iocal area.

3, Pteridophytes(Pteridium aquilinum) were a group of common edible wild plants in ancient times.

4, In this paper, making the vacuum freeze-dry theory, the composition of equipment system, the craft as basis, the research of drying the pteridium aquilinum are actualized.

5, According to the quality indicator after thawing, it is shown that suitable freezing conditions are regarded as the important process to ensure the pteridium aquilinum's quality.

6, The effect of different nursery substrate and seedling methods on propagation of Pteridium aquilinum spores were tested.

7, Mice were fed by ig with the maximal concentration and maximal volume of water extract of Pteridium aquilinum tea in a day, and observed for their toxic reaction in a period of one week.

8, The purpose was to study the processing route and operating points of papier-mache Pteridium aquilinum processing.