- Dried lotus seed slightly elliptical or spherical, 1.2 to 1.8cm long, and 0.8 to 1.4cm wide. Surface is from yellowish brown to reddish brown, with fine vertical stripes and wide veins. The center of one end looks like papillae, dark brown, with a few gaps and slight subsidence around. It is hard and with thin peel that is hard to remove. - Dried lotus seed have sedative effect, which can be of great help for the middle-aged and elderly, especially mental workers, since it can improve brain function, enhance memory, improve work efficiency, and prevent the occurrence of senile dementia. Lotus plumule tastes really bitter but has a significant cardiac effect, which can expand peripheral vessel and thus lower blood pressure. In addition, it is good at clearing heart-fire, treating mouth sores, and helping sleep.