This book is as per the revised syllabus prescribed by the pharmacy Council of India under regulations 6, 7 & 8 of the Bachelor of pharmacy (B. Pharm.) course regulations 2014 in 2016 and amended from 2017 onwards throughout India under same uniform syllabus. As per the norms, the book is compiled with semester wise syllabus in which Pharmacognosy & phytochemistry-i is under semester-iv.