
Pueraria mirifica, also known as Kwao Krua, is a root found in northern and north eastern Thailand and Myanmar.In Thailand, the plant “Kwao Krua” is considered to be a rejuvenating adaptogenic herb and has a history of use in folk medicine. Although the name “Kwao Krua” had been applied to several species of plants having tuberous roots, it was definitively identified as Puerariamirifica in 1952 from which an unusual estrogenic phenol miroestrol was isolated eight years later.[1] There are two kinds...