Dravya Sangrahana (द्रव्य संग्रहण)

This is the science of collecting medicinal herbs. The classical texts give detailed instructions on how, when, and from.

Ayurvedic Principles (Siddhanta Kosha) 1 min read
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Sanskrit Verse

The collection method is described based on part used and season.

— (Charaka Samhita, Kalpasthana 1)

Explanation

This is the science of collecting medicinal herbs. The classical texts give detailed instructions on how, when, and from where to collect herbs to ensure maximum potency (Virya). This includes considering the season (Ritu), the part of the plant to be used (Prayojyanga - root, leaf, fruit), and the geographical location (Desha). For example, roots are best collected in late winter or early summer when the plant’s energy is concentrated downwards.

Clinical Importance

For students of Dravya Guna and for pharmaceutical companies, this principle is foundational. The quality and efficacy of an Ayurvedic medicine depend entirely on the quality of the raw materials used. Improper collection can render a potent herb useless.