Purple cabbage needs to be washed.
Dried nori will inevitably collect dust during the production process as well as transportation and storage, so rinsing it with water before consumption is essential. However, it is worth noting that the cleaning of purple cabbage is not too long, only need to use water to quickly rinse off the surface of the floating dust can be, do not put in the water to soak. The rinsing process can be assisted by a funnel and other utensils.
Distribution
Purple genus species although in the frigid, temperate, subtropical and tropical waters are distributed, but subtropical to temperate waters are rich in species diversity.
The geographical distribution of Ziziphus spp. in China also follows this law, mainly in the intertidal zone from the Yellow Bohai Sea to the southeastern coast, in addition, there are also a few species of Ziziphus spp. distributed along the coasts of Taiwan and Hainan Island, and their distribution is characterized by regionality.