Table 2. Alliin concentrations of the encapsulated garlic powder extracts using various wall materials

Encapsulation method Coating material mg/g % Protection of alliin (%)
Control 5.032±0.05a

Freeze drying MD 2.208±0.10c 43.9±1.97
WPI 1.684±1.28c 33.5±25.44
WMP 2.079±0.73c 41.3±14.43
SMP 2.796±0.15c 55.6±3.02

Spray drying MD 2.789±1.09a 55.4±21.68
WPI 2.913±0.40c 57.9±7.90
WMP 4.131±0.18c 82.1±3.54
SMP 3.147±1.05c 62.5±20.95
Means with the different letters in the same column are significantly different at p<0.05.
MD, WPI, WMP and SMP are indicating maltodextrin, whey protein isolate, whole milk powder and skim milk powder, respectively.