Chemical constituents in the introduced Coleus forskohlii Labdane Diterpenoids from Coleus forskohlii (Willd.) Briq. FORMATION OF LABDANE DITERPENOIDS BY HAIRY ROOT CULTURES OF COLEUS FORSKOHLII Studies on the chemical constituents in root of Coleus forskohlii Preparation of Bamboo Activated Carbon by Different Parts of Bamboo and Their Adsorption on Phenol