Tiwari, PhD, is a Professor at the Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, India. Dr. Tiwari has received more than nearly the equivalent of $1 million USD in grants from the Central Council for Research in Unani Medicine, India. She has been granted 18 Indian, three South African, and three Australian patents, and has submitted many for approval. She has published books, book chapters, and research papers and has guided several doctoral, postgraduate, and graduate students. She has organized conferences and also delivered many invited lectures. Dr. Varsha received a young scientist award, young author award, and pharmacy recognition award at the national level.Abhishek Tiwari, PhD, is a Professor at the Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, India. Dr. Tiwari has received grants from funding agencies, including the Central Council for Research in Unani Medicine, India. Dr. Tiwari has been granted 32 patents and filed nine patents for approval. He has published papers in national and international journals, more than 22 Indian and international books, and book chapters. He guides PhD students for their work. Dr. Tiwari is an editorial member for national and international journals. He received a best author award in 2019, best teacher award in 2019, and outstanding teacher awards in 2014 and 2015.Ajay Sharma, PhD, is a Professor and Head of the Department of Pharmacognosy at the School of Pharmaceutical Sciences at Delhi Pharmaceutical Sciences and Research University India. He has more than 15 years of teaching and research experience. He has published many research articles in peer-reviewed journals of national and international repute and has also presented more than 150 papers in national and international conferences. He has contributed to books and has published 10 Indian patents as well. Dr. Sharma has been awarded with research grants from the Central Council for Research in Unani Medicine, Ministry of Ayush, Department of Biotechnology (India), All India Council for Technical Education, and Madhya Pradesh Council of Science and Technology. He has received many prestigious awards. He is the member of various national and international bodies and has been listed in the top 2% of the world’s scientists on the list of Stanford University consecutively for the last two years.

• Preface 1. Introduction to Herbal Drugs 2. Quality Control of Herbal Drugs 3. Cultivation, Collection, and Processing of Drugs of Natural Origin: Quality Perceptions 4. Metabolic Pathways in Higher Plants and Their Determination 5. Evolving Approaches in the Extraction and Assessment of Herbal Medicines: Progress in Methodologies and Utilization of Analytical Instruments 6. Isolation, Identification, and Analysis of Phytoconstituents 7. Advancements in Plant Tissue Culture: A Historical Perspective 8. Nutraceuticals 9. Biological Screening, Toxicity, and Regulations of Herbal Drugs 10. Pharmacovigilance of Natural Products 11. Conclusion and Future Trends in Phyto-Pharmaceutical Research Index

Tiwari, PhD, is a Professor at the Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, India. Dr. Tiwari has received more than nearly the equivalent of $1 million USD in grants from the Central Council for Research in Unani Medicine, India. She has been granted 18 Indian, three South African, and three Australian patents, and has submitted many for approval. She has published books, book chapters, and research papers and has guided several doctoral, postgraduate, and graduate students. She has organized conferences and also delivered many invited lectures. Dr. Varsha received a young scientist award, young author award, and pharmacy recognition award at the national level.Abhishek Tiwari, PhD, is a Professor at the Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, India. Dr. Tiwari has received grants from funding agencies, including the Central Council for Research in Unani Medicine, India. Dr. Tiwari has been granted 32 patents and filed nine patents for approval. He has published papers in national and international journals, more than 22 Indian and international books, and book chapters. He guides PhD students for their work. Dr. Tiwari is an editorial member for national and international journals. He received a best author award in 2019, best teacher award in 2019, and outstanding teacher awards in 2014 and 2015.Ajay Sharma, PhD, is a Professor and Head of the Department of Pharmacognosy at the School of Pharmaceutical Sciences at Delhi Pharmaceutical Sciences and Research University India. He has more than 15 years of teaching and research experience. He has published many research articles in peer-reviewed journals of national and international repute and has also presented more than 150 papers in national and international conferences. He has contributed to books and has published 10 Indian patents as well. Dr. Sharma has been awarded with research grants from the Central Council for Research in Unani Medicine, Ministry of Ayush, Department of Biotechnology (India), All India Council for Technical Education, and Madhya Pradesh Council of Science and Technology. He has received many prestigious awards. He is the member of various national and international bodies and has been listed in the top 2% of the world’s scientists on the list of Stanford University consecutively for the last two years.

• Preface 1. Introduction to Herbal Drugs 2. Quality Control of Herbal Drugs 3. Cultivation, Collection, and Processing of Drugs of Natural Origin: Quality Perceptions 4. Metabolic Pathways in Higher Plants and Their Determination 5. Evolving Approaches in the Extraction and Assessment of Herbal Medicines: Progress in Methodologies and Utilization of Analytical Instruments 6. Isolation, Identification, and Analysis of Phytoconstituents 7. Advancements in Plant Tissue Culture: A Historical Perspective 8. Nutraceuticals 9. Biological Screening, Toxicity, and Regulations of Herbal Drugs 10. Pharmacovigilance of Natural Products 11. Conclusion and Future Trends in Phyto-Pharmaceutical Research Index

Tiwari, PhD, is a Professor at the Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, India. Dr. Tiwari has received more than nearly the equivalent of $1 million USD in grants from the Central Council for Research in Unani Medicine, India. She has been granted 18 Indian, three South African, and three Australian patents, and has submitted many for approval. She has published books, book chapters, and research papers and has guided several doctoral, postgraduate, and graduate students. She has organized conferences and also delivered many invited lectures. Dr. Varsha received a young scientist award, young author award, and pharmacy recognition award at the national level.Abhishek Tiwari, PhD, is a Professor at the Amity Institute of Pharmacy, Lucknow, Amity University Uttar Pradesh, Noida, India. Dr. Tiwari has received grants from funding agencies, including the Central Council for Research in Unani Medicine, India. Dr. Tiwari has been granted 32 patents and filed nine patents for approval. He has published papers in national and international journals, more than 22 Indian and international books, and book chapters. He guides PhD students for their work. Dr. Tiwari is an editorial member for national and international journals. He received a best author award in 2019, best teacher award in 2019, and outstanding teacher awards in 2014 and 2015.Ajay Sharma, PhD, is a Professor and Head of the Department of Pharmacognosy at the School of Pharmaceutical Sciences at Delhi Pharmaceutical Sciences and Research University India. He has more than 15 years of teaching and research experience. He has published many research articles in peer-reviewed journals of national and international repute and has also presented more than 150 papers in national and international conferences. He has contributed to books and has published 10 Indian patents as well. Dr. Sharma has been awarded with research grants from the Central Council for Research in Unani Medicine, Ministry of Ayush, Department of Biotechnology (India), All India Council for Technical Education, and Madhya Pradesh Council of Science and Technology. He has received many prestigious awards. He is the member of various national and international bodies and has been listed in the top 2% of the world’s scientists on the list of Stanford University consecutively for the last two years.

• Preface 1. Introduction to Herbal Drugs 2. Quality Control of Herbal Drugs 3. Cultivation, Collection, and Processing of Drugs of Natural Origin: Quality Perceptions 4. Metabolic Pathways in Higher Plants and Their Determination 5. Evolving Approaches in the Extraction and Assessment of Herbal Medicines: Progress in Methodologies and Utilization of Analytical Instruments 6. Isolation, Identification, and Analysis of Phytoconstituents 7. Advancements in Plant Tissue Culture: A Historical Perspective 8. Nutraceuticals 9. Biological Screening, Toxicity, and Regulations of Herbal Drugs 10. Pharmacovigilance of Natural Products 11. Conclusion and Future Trends in Phyto-Pharmaceutical Research Index