Synopsis Phytochemicals refers to chemical constituents of medicinal plants. These are curative principles of plant based remedies. Recent scientific research has demonstrated that phytochemicals have demonstrated that phytochemicals have prophylactic (diseases preventing properties). The work titled Annotated Bibliography of Phytochemicals is an attempt to assemble scientific research on phytochemicals at one stage. Phytochemicals have been arranged as per natural order (family) and pharmacological investigations mentioned. References have been quoted alongwith phytochemicals for convenience of the reader.