Kashaya is the sixth and last of the six rasas (Shadrasa). Mahabhuta composition: Vayu + Prithvi (Prithvi + Vayu in some references).
Guna (Qualities) Rooksha (dry), Sheeta (cold), Guru(Heay)
Virya and Vipaka Virya : Sheeta (cold) reduces inflammation and excess heat Vipaka : Madhura (sweet) helps in nourishing the tissues and builds strength
Dosha Effect Decreases Pitta and Kapha Increases Vata
Actions (Karma) Stambhana - arrests discharges and bleeding Ropana- promotes wound healing Shodhanaof wounds and ulcers Shoshana- absorbs excess moisture
Benefits in Moderation Heals wounds and ulcers Controls diarrhea, excessive sweating, and bleeding Reduces excess Kapha and Pitta Tightens and tones tissues, and improves skin
Effects of Excess Use Increases Vata: causes dryness of the mouth, constipation, flatulence, and distension Pain in the heart region (Hridaya peeda), spasms, tremors, and numbness Stiffness, emaciation (Karshya), and weakness Reduces Shukra (virility) and causes obstruction in channels
Examples (Dravyas) Haritaki, Amalaki (in part), Bibhitaki, Babbula, Khadira, Arjuna, Lodhra, Dadima rind, Jambu
