Japanese charcoal stick (Kishu Binchotan, Binchozumi, 備長炭)
Kishu Binchotan is known a stick for the best quality charcoal used for freshen in the air and purifying water. It is a special charcoal made from real pieces of a type of white oak wood, uses a special tree called Ubamegashi or ubamega oak (Quercus phillyraeoides), now the official tree of Wakayama Prefecture.
The excellent of Binchotan are attributed to steaming at high temperatures because the coal burn extremely hot without any smell of chemical and burns much longer than traditional charcoal. The aroma of the burning coal is pleasantly subtle and the grilled food does not come out with an over power smoky or other unpleasant flavors; it is a favorite of Unagi (Eel) and Yakitori (Grilled chicken) cooks. And then, you drop a stick of Binchotan into a glass, bottle or pitcher of water and place in your fridge overnight. It will naturally purify and soak up the chlorine and other unpleasant tastes, while releasing natural minerals, improving the taste and softening it as well. Then, you can put it in rooms to freshen the air. There are many more supposed benefits and health values of white charcoal. Currently there are a number of Binchotan based consumer products on the market such as socks, shirts, shampoo, cosmetic products, and many more. It can be reused for up to 3 months and easily recharged once a month by boiling it for 5 minutes let it dry. It can be recycled it by breaking it small pieces place into your plant soil for creating micro water and air cavities in the soil.