Contents: 1. Introduction. 2. Production processes for herbals and botanicals. 3. Selection of plant and plant parts for phytochemical analysis. 4. Methods of extraction. 5. Qualitative phytochemical screening. 6. Methods for separation of phytochemicals. 7. Qualitative and quantitative estimation of phytochemicals. 8. Methods of identification. 9. Categories of phytochemicals. 10. A case study in Prof. N. Raaman s laboratory. 11. Isolation of alkaloids. 12. Extraction and isolation of phenolic compounds. 13. Isolation of anthocyanin compounds. 14. Extraction and analysis of essential oils. Phytochemicals are the individual chemicals from which the plants are made and plants are the key sources of raw materials for both pharmaceutical and aromatic industries. The improved methods for higher yield of active compounds will be the major incentive in these industries. To help those who involved in the isolation of compounds from plants, some of the essential phytochemical techniques are included in this book.