Understanding Medicinal Plants: Their

(The Haworth Herbal Press) DePauw Univ., Greencastle, IN. Designed to explain the chemical workings of healing herbs to people who are intimidated by chemistry. Topics covered include the origins of bonding and molecular properties, chemical behavior and its application to medicinal molecules, and drug delivery. Softcover, hardcover also available.

Bryan Hanson is the Julian Professor of Chemistry at DePauw University in Greencastle, Indiana, where he has taught for seventeen years.

Preface

ix

Acknowledgments

xiii

Chapter 1. Introduction

1

(8)

Chapter 2. Interpreting the Symbolism of Chemical Structures, or, Finding Your Way Around a Molecule

9

(16)

The Basic Rules of Bonding

10

(1)

What Do the Lines Mean?

11

(2)

Recognizing the Functional Groups

13

(4)

Naming Molecules

17

(2)

Sameness: Molecular Formulas and Isomers

19

(6)

Chapter 3. The Origins of Bonding and Molecular Properties

25

(44)

Elements, Atoms, and the Periodic Table

25

(7)

Electron Configurations: The Real Organizing Principle

32

(3)

Bonding to Create Molecules

35

(12)

Predicting Properties from Molecular Structure

47

(22)

Chapter 4. A Structural Lexicon of Medicinally Important Chemical Families Found in Plants

69

(50)

Compounds of Primary Metabolism

70

(13)

Secondary Metabolites

83

(36)

Chapter 5. Chemical Behavior and Its Application to Medicinal Molecules

119

(56)

Isolation of Medicinally Active Substances

119

(17)

Analysis and Identification of Medicinal Molecules

136

(10)

Antioxidants and Reactive Oxygen Species: Chemical Reactions Affecting Health

146

(29)

Chapter 6. Drug Delivery and Action

175

(24)

Delivering Drug Molecules

175

(12)

Where Drugs Act: Targets

187

(2)

The Molecular Level of Action

189

(10)

Chapter 7. Case Studies of Selected Plant Drugs

199

(50)

Ayahuasca and the Central Nervous System

200

(20)

Ginkgo and Brain Health

220

(10)

Cancer Treatments from Plants: Interrupting the Cell Cycle

230

(16)

Conclusion

246

(3)

Notes

249

(10)

Glossary

259

(20)

Bibliography

279

(12)

Index

291

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Understanding Medicinal Plants: Their Chemistry and Therapeutic Action

Summary

Author Biography

Table of Contents

Supplemental Materials