Resins – Resins are the derivatives of carbohydrates which are formed by the oxidation of odourous oils. They are used in the formation of varnishes and paints. Canada balsom and Asafetida are also resins. Asafoetida is obtained from the tap roots (rhizome) of Ferula assafoetida plant. It is used as flavour enhancer (spice) and in many medicines.
