Pectin is a structural acidic heteropolysaccharide originating from the cell walls of terrestrial plants. It is composed of galacturonic acid which is derived from galactose.

It can derived from citrus fruits such as apples, apricots, pears, oranges, limes, carrots, and plums. The main sources is however dried citrus peels and apple pomace. Both are by-products of juice production.

Pectin is a gelling agent that is suitable for usage in food production in Thailand. Products like jams, dessert fillings, sweets, and fruit juices often contain Pectin.

Pectin is also a source of dietary fiber, mainly in dairy drinks.