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Humans have used natural products for healing for over 5,000 years. From the Ebers Papyrus (Egypt, 1550 BCE) to De Materia Medica by Dioscorides (1st century CE), natural drugs were the only medicines available. Modern pharmacognosy emerged in the 19th century with the isolation of pure compounds: morphine from opium (1804), quinine from cinchona bark (1820), and digoxin from foxglove.

: Includes self-evaluation exercises and a glossary of scientific terms to aid students. Global Relevance farmacognosia de claudia kuklinski pdf 59