Table 2.
Chemical structure of the polysaccharide-based viscous delivery media.
| Delivery Medium | Chemical Structure | Component | Reference |
|---|---|---|---|
| Agarose |
|
β-(1-4)-(3,6)-anhydro-L-galactose and α-(1-3)-D-galactose | [34] |
| Hyaluronic acid (HA) |
|
β-d-(1-3) glucuronic acid and β-d-(1-4)-N-acetylglucosamine | [32] |
| Hydroxyethyl cellulose (HEC) |
|
R is H or hydroxyl ethyl group (–CH2CH2–OH) | [31] |
| Sodium carboxymethyl cellulose (NaCMC) |
|
R is H or carboxymethyl groups (–CH2–COOH) | [35] |
| Wheat starch (WS) |
|
Polymer of glucose | This study |
| Alginate |
|
(1,4)-linked β-d-mannuronic acid and α-l-guluronic acid | This study |