Kohki tea is a Japanese

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 herbal drink very high in antioxidant activity. Kohki tea has been sold over the counter for centuries and is standardized to contain Astilbin and toxifolin. Kohki Tea extract promotes fat burning and prolongs the fat burning process.

Astilbin

Astilbin

Astilbin is a flavanonol, a type of flavonoid. Astilbin is the -isomer; neoisoastilbin is the -isomer and isoastilbin is the -isomer....

 can be isolated from Kohki tea processed from Engelhardtia chrysolepis (huang-qi).