Background

Improving the controlled delivery formulations of caffeine in alginate hydrogel beads combined with pectin, carrageenan, chitosan and psyllium

http://www.sciencedirect.com/science/article/pii/S0308814614010346

Properties of Alginate

http://www.iroalginate.com/property.htm

Alginate for Tissue Engineering

http://www.crcnetbase.com/doi/abs/10.1201/9781420027563.ch2