| Encapsulation materials & Methods | Bifidobacterium spp. | Survival under gastrointestinal conditions | References |
| 2% sodium alginate with poly-L-lysine or chitosan (Extrusion technique) | Bifidobacterium bifidum | Higher than 106 cfu/mL | Cui et al., 2000 |
| 2~4% alginate (Extrusion technique) | Bifidobacterium longum | Depending on alginateconcentration and bead size | Lee and Heo, 2000 |
| 0.75% gellan/1 % xanthan gum (Extrusion technique) | Bifidobacterium infantis | Higher than 106 cfu/mL | Sun and Griffiths, 2000 |
| 0.75% gellan/1 % xanthan gum (Extrusion technique) | Bifidobacterium lactis | Higher than 106 cfu/mL | McMaster et al., 2005 |
| 2% alginate with Hi-maize starch (Emulsion technique) | Bifidobacterium spp. | Higher than 106 cfu/mL | Sultana et al., 2000 |
| 3% alginate (Emulsion technique) | Bifidobacteriumadolescentis Bifidobacterium breveBifidobacterium lactisBifidobacterium longum | 8.2~1.0 log cfu/mL | Truelstrup Hansen et al., 2002 |
| 35% gum arabic 15% skim milk 30% gelatin 35% soluble starch (Spray-drying technique) | Bifidobacterium infantisCCRC 14633 | 89.17% 65.16% 92.73% 92.70% | Lian et al., 2003 |
| 35% gum arabic 15% skim milk 30% gelatin 35% soluble starch (Spray-drying technique) | Bifidobacterium longum B6 | 93.53% 81.26% 87.15% 95.47% | Lian et al., 2003 |
| 10% heat-denatured whey protein isolate (Spray-drying/emulsion technique) | Bifidobacterium breveBifidobacterium longum | 1.0 log cfu/mL 3.8 log cfu/mL | Picot and Lacroix, 2004 |