Poria powder to eat the feeling of sand

Hello: Poria more parasitic in the pine plant red pine or horsetail pine and other roots, after digging and washing pads of grass cover tightly, to the outer skin becomes brown and wrinkles, most of the internal water loss after drying, slicing or cutting the application of the square, playing into the powder to eat is still water seepage and dampness, spleen and heart efficacy, the feeling of sand may be Poria concocted when cleaning is not clean enough.