Noun
agaropectin (plural agaropectins)
(biochemistry) A heterogeneous mixture of smaller molecules making up the part of agar that is not agarose.
Agaropectin is a heterogeneous mixture of smaller molecules that occur in lesser amounts, and is made up of alternating units of D-galactose and L-galactose heavily modified with acidic side-groups, such as sulfate and pyruvate. Source: Internet