| The colour is achieved by distilling the vodka with catechu, a herb found in Southern Asia. |
| Gutkha is a mixture of areca, catechu, betel nut, lime, tobacco and mint. |
| The nuts are then crushed with lime and catechu, a scarlet and astringent extract made by boiling chips of wood from the areca palm. |
| Extracts of areca catechu, rhus coppallina, diospyros virginiana, sassafrass albidium, and chenopodium ambrosiodes were found to produce tumors in rats. |
| It consists of a dried paste that often includes tobacco, areca nuts, catechu, and scent or flavoring. |
| Sprinkle on a little burnt lime with some catechu gum of a Malayan acacia tree and add a touch of nutmeg and cardamom for flavor. |
