Takeda Pharmaceutical Company Limited
Takeda Garden for Medicinal Plant Conservation, Kyoto
Curcuma longa L. Zingiberaceae
This perennial is found in India. It was brought to Japan in the 1700s and is cultivated in Kyusyu, Okinawa, N Kanto, and other prefectures. The plant height is over 100 cm and the flowering period in Japan is July to August. It is commonly used as a spice in curry and as a coloring agent in yellow pickled radish.
Part used: rhizome
Medicinal use: cholagogue and liver protectant
Main component: curcumin
Each yellow part covered with a white spathe in spikes is a true flower.
"Turmeric" is the dried rhizome harvested in Autumn.
The rhizome of turmeric is orange while zedoary is blue-green.