in ripe fruit such as apples and plums but mainly prepared from citrus
peel, traditionally lemons, limes and grapefruit.
Pectin is mainly used as a gelling agent, but can also act as thickener,
water binder and stabiliser. The key characteristics being that it forms
jelly and jam-type gels in presence of sugar and acid which is then
used to gell various foods, drugs, and cosmetics.
Uses include confectionery, high-sugar jellies, jams, preserves, marmalades
and acid milk drinks.