This document discusses the rules and methods for collecting medicinal herbs and plants according to Ayurvedic texts such as Charaka, Susrutha, and Rajanighantu. It outlines the optimal periods for collecting different parts of plants, such as roots in winter, leaves in spring, flowers and fruits seasonally. The texts provide guidance on collecting tender parts when plants are growing and mature parts when plants have shed leaves. They also specify collecting purgative and emetic herbs at the end of spring. The module covers rules for collection, periods of collection, and places of collection of medicinal herbs and plants.

1. DRAVYA
SANGRAHANA
VIDHI
Lecture Notes for BAMS
students
Dr. Remya Krishnan MD PhD

2. Rule of collection- Charaka

3. Rule of collection- Susrutha
Dravya fresh or old should not be
afflicted with unusial smell and taste
Vigandha
Avipanna rasa – Altered rasa

4. Period of collection- Susrutha

5. Susrutha
 Pravrit- Moola
 Varsha- Patra
 Sharat- Twak
 Hemantha- Ksheera
 Vasantha- Sara
 Greeshma – Phala

6. Period of collection- Charaka-
Kalpasthana 1

7. Charaka
 Tender leaves and branches- Varsha and
vasantha
 Moola of leaf shed trees and regenerating
leaves- Greeshma for ushna dravyas and
Sisira for sheeta dravyas
 Twak, kanda, ksheera- Sharat
 Sara- Hemantha
 Pushpa and Phala- Yatha ritu ( seasonal)

8. Period of collection –
Rajanighantu

9. Rajanighantu
 Kanda – Hemantha
 Moola-Shishira
 Pushpa and Phala- Vasantha
 Tender l;eaves- Greeshma
 Panchangas – Sharat

10. Sharngadhara – Rules
All therapeutic purpose dravyas- Sharat
Vireka and vamana dravyas- End of
Vasantha
Agneya- Vindhya
Soumya- Himalaya

11. Topics covered in the module
Rule of collection of
dravyas
Period of collection of
dravyas
 Place of collection of
dravyas