Table 5: A Snapshot of the biopolymer family.*

PolyestersPolysaccharides (fungal)Lipids/surfactants
 Polyhydroxyalkanoates Pullulan Acetoglycerides, waxes
 Polylactic acid Elsinan Surfactants, emulsan
 Yeast glucans
ProteinsPolysaccharides (bacterial)
 SilksPolysaccharides (plant/algal) Xanthan
 Collagen/gelatine Starch (amylose/amylopectin) Dextran
 Elastin Cellulose Gellan
 Resilin Agar Levan
 Adhesives Alginate Curd lan
 Polyaminoacids Carrageenam Polygalactosamine
 Soy, zein, wheat glutein, Pectin Cellulose (bacterial)
 casein, and serum albumin Konjac
 Various gums (guar)Specialty Polymers
Polyphenols Shellac
 LigninPolysaccharides (animal) Poly-γ-glutamic acid
 Tannin Chitin/chitosan Natural rubber
 Humic acid Hyaluronic acid Synthetic polymers from natural fats  and oils (nylon from castor oils)

*Adapted from Herdman (1993) from p20.