tvak :

Rasa: Katu Madhura Tikta
Guna: Laghu Ruksha Teeskhsna
Veerya: Ushna
Vipaka: Katu
Karma: Vathakaphahara

The wonderful aroma that Cinnamon fills up a room with is due to cinnamaldehyde, an indispensable oil found in the bark of cinnamon trees. Known in Hindi as dalchini, in Sanskrit as twak, and in Gujarati as taj, cinnamon has a long history of use in Ayurvedic home remedies.

Cinnamon bark is one of the common ingredients in spice mixtures used in India. Dalchini is known to increase salivation and to improve digestive functions as recommended by Indian Ayurveda. It also acts as a local antiseptic by virtue of its antibacterial action.