Bhavaprakasha Nighantu, Dhanya Varga
Anna eva param bhaishjyam — Food itself is the supreme medicine. The Dhanya Varga documents each grain as a medicinal substance, because Ayurveda recognises no categorical boundary between food and medicine — only a boundary of dose, preparation, and context.

Classical grain documentation

GrainBotanicalClassical properties and use
Shali DhanyaWhite/red Oryza sativaNitya Sevaniya, the reference standard grain. Laghu, Sheeta, Madhura. The single most documented Pathya grain. Old Shali (stored 1+ year) is preferred.
YavaHordeum vulgare (barley)Lekhana, Medohara, Mutrala. The primary therapeutic grain for metabolic, urinary, and obesity conditions. Full documentation: Yava page.
GodhumaTriticum aestivum (wheat)Guru (heavy), Madhura, Snigdha, Brimhana (nourishing). Appropriate in moderation for Vata conditions; Kapha-aggravating in excess. Winter food.
Munga (Mudga)Vigna radiata (green mung)The only Nitya Sevaniya legume. Full documentation: Mudga page.
MasuraLens culinaris (red lentil)Laghu, Kashaya. Vata-aggravating in excess — not appropriate for daily use, but beneficial in moderate amounts for Kapha and Pitta conditions.
MashaVigna mungo (black lentil/urad)Guru, Snigdha, Madhura, Vatahara. Specifically documented for Vata conditions and as the primary Basti vehicle grain preparation. Heavy — use in winter and for Vata-depleted patients.
ChanakaCicer arietinum (chickpea)Kashaya, Laghu, Ruksha. Vata-aggravating in excess. Appropriate for Kapha and Pitta conditions in moderate quantities.
KalayaPisum sativum (peas)Similar to Chanaka properties — Laghu, Vata-aggravating in excess.
TilaSesamum indicum (sesame)Guru, Ushna, Snigdha, Vatahara. The primary classical oil grain. Sesame oil (Tila Taila) is the standard Abhyanga oil. High calcium content — specifically documented for Asthi (bone) Dhatu nourishment.
The old grain principle
Charaka Samhita consistently specifies 'Purana' (old) versions of grains as therapeutically superior — old Shali rice (1+ year), old barley, old wheat. The classical explanation: fresh grains are Abhishyandi (channel-blocking, heavy) because their residual moisture and immature starch increases Kapha. The storage process reduces this through natural desiccation and starch conversion. Modern nutritional science confirms that aged rice has lower glycaemic index and different resistant starch profiles than fresh-harvested rice — consistent with the classical documentation.