## Appendix A \begin{table}
\begin{tabular}{l l l l l} \hline
**Biopolymer** & **Source** & **Solubility** & **Type of Application** & **References** \\ \hline \multicolumn{5}{l}{Polysaccharides} \\ \hline Arabic gum (Acacia gum) & Exudate from acacia trees & Cold-water soluble & Spray-on (dust control) & [16] \\ Agar gum & Red algae (Gelidium and Gracalaria) & Hot-water soluble & Mix-in (soil stabilisation) & [16; 78] \\ \(\beta\)-glucan & Extracted from cells of yeast, fungi, certain bacteria and cereals & Cold-water soluble & Mix-in (soil stabilisation) & [25; 81; 82; 83; 84; 85; 86] \\ Carrageenanen & Red algae (Chondracanthus) & Cold-water soluble & Spray-on (dust control) & [87; 88] \\  & & & Mix-in (soil stabilisation) & [88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128] \\ Chitosan & Chitin shells of crustaceans & Soluble in acetic solutions & Mix-in (soil stabilisation) & [89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128] \\ Carboxylmethyl & Cellulose derivative & Cold-water soluble & Spray-on (dust control) & [16] \\ Cellulose & Cellulose derivative & Cold-water soluble & Mix-in (soil stabilisation) & [90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 113; 114; 115; 116; 117; 118; 119; 120; 121; 123; 124; 125; 126; 127; 128] \\ Dextran & Microbial & & Mix-in (soil stabilisation) & [100] \\ Gellan gum & Bacteria & Poor solubility at low temperature (fully) & Mix-in (soil stabilisation) & [37; 96; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128] \\  & & dissolveable \(>\) 80 & CJ-water soluble & Mix-in (soil stabilisation) & e.g., [13; 33; 82; 83; 96; 107; 108; 109; 111; 112; 113; 114; 115; 116; 117; 118; 119; 121; 122; 123; 124; 125; 126; 127; 128] \\  & & & Spray-on (dust control) & [14; 15; 46] \\ Lignosulfonate & By-product of wood pulp & Cold-water soluble & Spray-on (dust control) & [19; 26; 33; 112] \\  & production & & Mix-in (soil stabilisation) & [113] \\ Locust bean gum & Carobre seeds & & & \\ Pectin & Citrus fruit lamella and cell walls & Cold-water soluble & Spray-on (dust control) & [16] \\ Persian gum & Exudate from almond tree trunk & Cold-water soluble & Mix-in (soil stabilisation) & [114] \\  & and branches & (30\% soluble, 70\% insoluble) & \\  & & insoluble) & & \\ Sodium alginate & Brown algae & Cold-water soluble & Spray-on (dust control) & [15; 16; 67; 115] \\  & & & Mix-in (soil stabilisation) & [16; 91; 116; 117; 118; 119; 120] \\ Starch & & & & \\ Corn & Corn & Cold-water soluble & Spray-on (dust control) & [121] \\  & & Mix-in (soil stabilisation) & [88; 80] \\ Potato & Potato & Cold-water soluble & Spray-on (dust control) & [47] \\ Xanthan gum & Bacteria & Cold-water soluble & Spray-on (dust control) & [17; 122] \\  & & Mix-in (soil stabilisation) & e.g., [82; 107; 123; 124; 125; 126; 127; 128] \\ \hline Proteins & & & & \\ \hline Casein & Milk & Soluble in alkaline solutions & Mix-in (soil stabilisation) & [129; 130; 131; 132; 133; 134] \\ Bovine blood plasma & Bovine blood & & & & \\ Gelatin & Collagen from animal bones and tissues & Warm-water soluble & Spray-on (dust control) & [47; 63] \\ Soybean & Soybean & Cold-water soluble & Spray-on (dust control) & [135; 136] \\ \hline \end{tabular}
\end{table} 
Table 1: Compilation of previous studies investigating biopolymer applications in the disciplines of soil stabilisation and dust control.