Immobilization of Bifidobacterium infantis Cells in Selected Hydrogels as a Method of Increasing Their Survival in Fermented Milkless Beverages

Table 3

Changes in the diameter of the microbeads and microcapsules made with 2% calcium alginate using the electrostatic technique during refrigerated storage (4°C) of fermented beverage.

Alginate microgels		Diameter (m)
		Initially	7 days	14 days	21 days	28 days
Microbeads		527 ± 12	487 ± 53	505 ± 32	490 ± 39	517 ± 31
Microcapsules with alginate core	Outer diameter	551 ± 38	502 ± 39	507 ± 30	510 ± 31	520 ± 58
	Inner (core) diameter	424 ± 34	—	—	407 ± 23	416 ± 40

The values are the mean of 40 replicates ± standard deviation.