Table 3. Yield in powder and water content of beads dipped in the protective solutions and subsequently dried.

Drying process

Protective solution

Yield1

Moisture
(g/100g)

aw

CAD2

Peptone

2.6

8.4

0.33

Lactose

14.1

12.9

0.39

Trehalose

13.0

11.0

0.33

Whey-sucrose

21.2

10.9

0.45

FD3

Peptone

2.4

4.1

0.10

Lactose

11.1

8.4

0.22

Trehalose

10.4

8.6

0.25

Whey-sucrose

16.8

8.1

0.36


1 Yield in powder (g/100 g fresh beads).
2 CAD: Convection Air Drying.
3 FD: Freeze-Drying.


Supported by UNESCO / MIRCEN network